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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class A Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class B [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance">Class B Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class B</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class B [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted net loss per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Diluted net income per ordinary share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preference shares, shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Diluted weighted average shares outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Basic weighted average shares outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating and formation costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Operating and formation costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense):</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense) [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Change in fair value of over-allotment option liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of over-allotment option liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of over-allotment option liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Adjustment of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest earned on investments held in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Interest earned on investments held in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other income, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompensationExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompensationExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AdditionalUnitsIssuedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional units issued during period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AdditionalUnitsIssuedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional units issued during period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AdditionalUnitsIssuedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional units issued during period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares subject to possible redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares subject to possible redemption, shares at redemption value of per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Redemption Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesHoldingDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of holding shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesHoldingDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Shares Holding During the period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesHoldingDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the number of shares holding during the period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Shareholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash investing and financing activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IncreaseDecreaseInLongTermPrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Long-term prepaid insurance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IncreaseDecreaseInLongTermPrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease in Long Term Prepaid Insurance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IncreaseDecreaseInLongTermPrepaidInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long-term prepaid insurance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of 5,275,000 Private Placement Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of Public Warrants at issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Warrant Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IncreaseDecreaseInUnderwritersReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriters&#8217; reimbursement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IncreaseDecreaseInUnderwritersReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease in Underwriters reimbursement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IncreaseDecreaseInUnderwritersReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Underwriters&#8217; reimbursement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Allocated value of transaction costs to Class A Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AdjustmentsToAdditionalPaidInCapitalFairValueOfFounderSharesTransferred_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of Founder Shares transferred to officers and directors</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AdjustmentsToAdditionalPaidInCapitalFairValueOfFounderSharesTransferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Additional Paid In Capital Fair Value Of Founder Shares Transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AdjustmentsToAdditionalPaidInCapitalFairValueOfFounderSharesTransferred_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of fair value of founder shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion for Class A Ordinary Shares to redemption amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Accretion to Redemption Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Forfeiture of Founder Shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Founder shares were subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Shares, Share-Based Payment Arrangement, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeiture of Founder Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Value, Share-Based Payment Arrangement, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFeeInConnectionWithTheIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting fee in connection with the IPO</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFeeInConnectionWithTheIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred underwriting fee in connection with the IPO</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFeeInConnectionWithTheIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred underwriting fee in connection with the IPO</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ForfeitureOfFounderShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeiture of Founder Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ForfeitureOfFounderShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forfeiture of Founder Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ForfeitureOfFounderShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Forfeiture of Founder Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Initial Measurement Over-Allotment Option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Class A Ordinary Shares Subject to Possible Redemption Reflected in the Condensed Balance Sheets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Basic and Diluted Net Income Per Ordinary Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Change in Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Changes in Fair Value of Plan Assets [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Quantitative Information Market Assumptions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharesIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharesIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Shares issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharesIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Public Shares issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ProceedsAllocatedToOverallotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds allocated to over-allotment option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ProceedsAllocatedToOverallotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds allocated to over-allotment option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputOptionVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Volatility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputOptionVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Option Volatility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected term (years) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Term to warrant expiration (years) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Expected Term [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputDailyTreasuryYieldCurveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Daily treasury yield curve [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputDailyTreasuryYieldCurveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Daily Treasury Yield Curve [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExercisePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExercisePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Exercise Price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputFairValueOfOverAllotmentUnitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of over-allotment unit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputFairValueOfOverAllotmentUnitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Fair Value of Over-Allotment Unit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Initial Measurement Over-Allotment Option [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial measurement over allotment option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Quantitative information market assumptions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Measurement Input</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Public Shares issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance Initial Public Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance, Fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance, Fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over-allotment option liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remeasurement of carrying value to redemption value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Accretion to Redemption Value, Adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A ordinary shares subject to possible redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A ordinary shares subject to possible redemption, $0.0001 par value; 17,500,000 and 0 shares at redemption value of $10.09 and $0.00 per share as of June 30, 2026 and December 31, 2025, respectively</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Carrying Amount, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ReclassifiedToClassAOrdinarySharesSubjectToPossibleRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassified to Class A ordinary shares subject to possible redemption on May 21, 2026</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ReclassifiedToClassAOrdinarySharesSubjectToPossibleRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassified to Class A Ordinary Shares Subject to Possible Redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ReclassifiedToClassAOrdinarySharesSubjectToPossibleRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of reclassified to class a ordinary shares subject to possible redemption.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ChangeInFairValueOfOverAllotmentOptionLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of Over-Allotment Option liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ChangeInFairValueOfOverAllotmentOptionLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Fair Value of Over-Allotment Option Liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ChangeInFairValueOfOverAllotmentOptionLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of change in fair value of over-allotment option liability.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Basic and Diluted Net Loss Per Ordinary Share [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Basic and Diluted Net Loss Per Ordinary Share [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Basic And Diluted Net Loss Per Ordinary Share [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Basic and Diluted Net Loss Per Ordinary Share [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Numerator:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Allocation of net income, as adjusted, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Allocation of net income, as adjusted, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Diluted, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominator:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-free rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Risk Free Interest Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputTypeRedemptionTriggerPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption trigger price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputTypeRedemptionTriggerPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type Redemption Trigger Price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputSharePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Calibrated implied stock price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputSharePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Share Price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputSelectedMarketAdjustmentFactorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selected market adjustment factor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_MeasurementInputSelectedMarketAdjustmentFactorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Selected Market Adjustment Factor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ScheduleOfQuantitativeInformationMarketAssumptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Quantitative Information Market Assumptions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Class A Ordinary Shares Subject to Possible Redemption Reflected in the Condensed Balance Sheets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Prepaid expenses and insurance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Financial Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Instruments [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for warrant instruments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_FounderShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founder Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_FounderShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Founder Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash &#8211; End of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash &#8211; Beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments held in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset, Held-in-Trust, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization and Business Operations [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Transferred an aggregate shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance">Sale of Private Placement Units (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consummated sale units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Number of Shares Issued in Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underlying stock price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated probability of de-SPAC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated volatility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-free rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of founder shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Issued for Services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Transferred founder shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Issued for Services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IPO [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Public Offering [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Initial Public Offering [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offering Cost, Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of CODM</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Generating gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of Private Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Ordinary Shares Subject to Possible Redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments Held in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incurred fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Other Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ForfeitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forfeited [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Insured amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, FDIC Insured Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IssuanceAndSaleOfAdditionalUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance and sale of additional units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IssuanceAndSaleOfAdditionalUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance and Sale of Additional Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_IssuanceAndSaleOfAdditionalUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance and sale of additional units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationProfitLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Performance and Making Key Decisions Regarding Resource Allocation the CODM Reviews [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InterestToBePayDissolutionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest to be pay on dissolution expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InterestToBePayDissolutionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest To Be Pay Dissolution Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InterestToBePayDissolutionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of interest to be pay dissolution expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantTotalingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Private placement warrant totaling amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantTotalingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Warrant Totaling Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantTotalingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private placement warrant totaling amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfUnitsIssuedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of units issued during period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfUnitsIssuedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of units issued during period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfUnitsIssuedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of units issued during period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units issued price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units issued price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Units issued price per share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Business Operations [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary, Sale of Stock [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_KBWMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KBW [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance or Sale of Equity, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InvestmentsMaximumMaturityTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InvestmentsMaximumMaturityTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments Maximum Maturity Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InvestmentsMaximumMaturityTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The maximum maturity term of investments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfPublicSharesToBeRedeemedOnNonCompletionOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of public shares to be redeemed on non completion of business combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfPublicSharesToBeRedeemedOnNonCompletionOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Public Shares To Be Redeemed On Non Completion Of Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfPublicSharesToBeRedeemedOnNonCompletionOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of public shares to be redeemed on non completion of business combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Income per Ordinary Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingEstimateLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingEstimateLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Estimate [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMarketAdjustmentFactor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market adjustment factor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMarketAdjustmentFactor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Market Adjustment Factor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMarketAdjustmentFactor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-based compensation arrangement by share-based payment award, fair value assumptions, market adjustment factor.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTimeToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time to expiration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTimeToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Time to Expiration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTimeToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-based compensation arrangement by share-based payment award, fair value assumptions, time to expiration.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Working capital loans outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Working Capital Loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of working capital loans.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination, price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Information [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ConvertibleWorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible working capital loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ConvertibleWorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Working Capital Loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ConvertibleWorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of convertible working capital loans.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfUnitsIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of units issued price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfUnitsIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Units Issued Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfUnitsIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of units issued price of per share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_BusinessCombinationPricePerWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination price per warrant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_BusinessCombinationPricePerWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Price Per Warrant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_BusinessCombinationPricePerWarrant_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Per warrant price of saleable stock paid or offered to be paid by acquirer in business combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding borrowings promissory note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Promissory note &#8211; related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Sold units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units Issued During Period Shares New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of new units issued during the period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incorporation date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, Date of Incorporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OtherOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OtherOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other offering costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OtherOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of other offering costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CashUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash underwriting fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CashUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Underwriting Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CashUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of cash underwriting fees.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred underwriting fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred underwriting fees.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term prepaid insurance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense, Noncurrent, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFeeNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFeeNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Underwriting Fee Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingFeeNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of deferred underwriting fee.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Ordinary Shares subject to Possible Redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Quarterly Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares no longer subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of No Longer Subject to Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of no longer subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesSubjectToForfeitureIfTheOverallotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares subject to forfeiture if the over-allotment option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesSubjectToForfeitureIfTheOverallotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares subject to forfeiture if the over-allotment option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesSubjectToForfeitureIfTheOverallotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares subject to forfeiture if the over-allotment option.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-In Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred offering costs paid through promissory note - related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Offering Costs Paid Through Promissory Note &#8211; Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of deferred offering costs paid through promissory note &#8211; related party.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PaymentOfGeneralAndAdministrativeExpensesThroughPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment of operation costs through promissory note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PaymentOfGeneralAndAdministrativeExpensesThroughPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment of General and Administrative Expenses Through Promissory Note Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PaymentOfGeneralAndAdministrativeExpensesThroughPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of payment of general and administrative expenses through promissory note related party.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over-Allotment Option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Change in Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Private Placement Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SaleOfPrivatePlacementWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Private Placement Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SaleOfPrivatePlacementWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares Sale of private placement warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SharesSubjectToForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SharesSubjectToForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SharesSubjectToForfeitures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SharesSubjectToForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of share subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfAdditionalUnitsIssuedDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of additional units issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfAdditionalUnitsIssuedDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Additional Units Issued During the Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfAdditionalUnitsIssuedDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the number of additional units issued during the period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSubjectNotToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares subject not to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSubjectNotToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Shares Subject not to Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSubjectNotToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the number of shares subject not to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSurrenderDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of surrendered shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSurrenderDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Shares Surrender During The Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesSurrenderDuringThePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the number of shares surrendered during the period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net income to net cash used in operating activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredOfferingCostsIncludedInAccruedOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering costs included in accrued offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredOfferingCostsIncludedInAccruedOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Offering Costs Included in Accrued Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredOfferingCostsIncludedInAccruedOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of deferred offering costs included in accrued offering costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OverAllotmentOptionLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option Liability [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Business Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_LessClassAOrdinarySharesSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_LessClassAOrdinarySharesSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Less Class A Ordinary Shares Subject To Possible Redemption [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrant Price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Warrant price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants issued amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants and rights outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DisclosureOfInitialPublicOfferingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Public Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DisclosureOfInitialPublicOfferingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure Of Initial Public Offering [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DisclosureOfInitialPublicOfferingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The disclosure of initial public offering text block.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock Disclosures [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in operating assets and liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Operating Activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Credit Risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Credit Risk, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offering Costs [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Change in Fair Value [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PlusClassAOrdinarySharesSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plus:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PlusClassAOrdinarySharesSubjectToPossibleRedemptionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plus Class A Ordinary Shares Subject To Possible Redemption [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_LiquidityAndCapitalResourcesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidity, Capital Resources</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_LiquidityAndCapitalResourcesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liquidity and Capital Resources [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_LiquidityAndCapitalResourcesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for liquidity and capital resources.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compensation Related Costs, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Text Block [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure of private placement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholders&#8217; Deficit [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_EmergingGrowthCompanyStatusPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Emerging Growth Company Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_EmergingGrowthCompanyStatusPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Emerging Growth Company Status [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_EmergingGrowthCompanyStatusPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for emerging growth company status.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Investing Activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Investment of cash in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Investments, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in investing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Financing Activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of Units, net of underwriting discounts paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Repayment of promissory note&#8201;&#8211;&#8201;related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Related Party Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Payment of offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Stock Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Received on Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of gross proceeds sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Percentage of Ownership after Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AffirmativeVote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Affirmative vote , percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AffirmativeVote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Affirmative Vote</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AffirmativeVote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of affirmative vote.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CommonStockSharesIssuedAndOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock shares issued and outstanding percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CommonStockSharesIssuedAndOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Issued and Outstanding Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CommonStockSharesIssuedAndOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of common share issue.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfShareSubjectNotToForfeitureDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share subject not to forfeiture during period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfShareSubjectNotToForfeitureDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of share subject not to forfeiture during period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfShareSubjectNotToForfeitureDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of share subject not to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesVotedForTheAppointmentOf_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares voted for the appointment of directors</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesVotedForTheAppointmentOf_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Voted for the Appointment of Directors</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_OrdinarySharesVotedForTheAppointmentOf_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of ordinary shares voted for the appointment of directors.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholder&#8217;s Deficit [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Initial Public Offering [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, voting rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Voting Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock, Class of Stock [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercisable, business days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants And Rights Outstanding Exercisable Term From Closing Of Initial Public Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The warrants exercisable term from the closing of the public offering.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantExpirationTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expiration term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantExpirationTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Expiration Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantExpirationTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant expiration term.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_RedeemableWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PeriodForRegistrationStatementToBecomeEffective_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period for registration statement to become effective</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PeriodForRegistrationStatementToBecomeEffective_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period For Registration Statement To Become Effective</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PeriodForRegistrationStatementToBecomeEffective_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period of time required to pass after the filing of a registration.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfWarrantsIssuedPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Warrants Issued Per Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfWarrantsIssuedPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of warrants in a unit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesIssuedPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issued per unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesIssuedPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Shares Issued Per Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfSharesIssuedPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares in a unit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_InitialPublicOfferingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offering [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Abstract [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PrivatePlacementDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Details Table [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate to office space</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WorkingCapitalDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Working capital deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WorkingCapitalDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Working Capital Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WorkingCapitalDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of working capital deficit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payable to underwriters</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Underwriting Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Stock Options Exercised</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Performance and Making Key Decisions Regarding Resource Allocation the CODM Reviews</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfAdditionalUnitsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of additional units sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfAdditionalUnitsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of additional units sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfAdditionalUnitsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of additional units sold.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase of warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_FounderSharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Founder shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_FounderSharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founder Shares Subject To Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_FounderSharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The share amount of founder shares subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfPublicSharesToBeRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of public shares to be redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfPublicSharesToBeRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Public Shares to be Redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfPublicSharesToBeRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of public shares to be redeemed on non completion of business combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PostBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Post-Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PostBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Post Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SaleOfAdditionalUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of additional units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SaleOfAdditionalUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Additional Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_SaleOfAdditionalUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of additional units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriting discount percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Underwriting Discount Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_DeferredUnderwritingDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of deferred underwriting discount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritersOverallotmentOptionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over allotment period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritersOverallotmentOptionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriters Over-allotment Option Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritersOverallotmentOptionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Underwriters over-allotment option period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritingAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriting Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant exercise price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Exercise Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant exercise price per share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Transaction Cost, Excluding Separately Recognized Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritersReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriters&#8217; reimbursement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritersReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriters Reimbursement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnderwritersReimbursement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of underwriters reimbursement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfNetBalanceInTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of net balance in trust account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfNetBalanceInTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Net Balance in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PercentageOfNetBalanceInTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the percentage of net balance in trust account.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of outstanding voting securities acquires</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Voting Equity Interest Acquired, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Series of Individually Immaterial Business Combinations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharePriceHeldInTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public share price held in trust account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharePriceHeldInTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Share Price Held in Trust Account</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharePriceHeldInTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the public share price held in trust account.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharesReductionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public shares reductions price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharesReductionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Shares Reduction Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_PublicSharesReductionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the public shares reduction, price.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Pronouncements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public warrants, business days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants And Rights Outstanding Exercisable Term After Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The warrants exercisable term after the completion of a business combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of trading days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Trading Days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_NumberOfTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of trading days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompletionOfTheCompanysInitialBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Completion of the company&#8217;s initial business combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompletionOfTheCompanysInitialBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Completion Of The Companys Initial Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CompletionOfTheCompanysInitialBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Completion of the company&#8217;s initial business combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Threshold trading days for redemption of public warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrant Or Right Redemption Of Warrants Or Rights Threshold Trading Days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Threshold number of specified trading days for stock price trigger considered for redemption of warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AggregateOfSponsorSharesSurrendered_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsor shares surrendered</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AggregateOfSponsorSharesSurrendered_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate of Sponsor Shares Surrendered</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AggregateOfSponsorSharesSurrendered_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of common stock shares subject aggregate of sponsor surrendered.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AggregatePurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate purchase price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AggregatePurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Purchase Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AggregatePurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of aggregate purchase price.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CapitalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital contribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CapitalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Contribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_CapitalContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of capital contribution.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Threshold consecutive trading days for redemption of public warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrant Or Right Redemption Of Warrants Or Rights Threshold Consecutive Trading Days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum threshold written notice period for redemption of public warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrant Or Right Minimum Threshold Written Notice Period For Redemption Of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured promissory note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued for interest and penalties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized tax benefits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Country</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Three</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AccruedOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AccruedOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_AccruedOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of accrued offering costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units, Each Consisting of One Class A Ordinary Share and One-Half of One Redeemable Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_RedeemableWarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOfDollarElevenPointFiveZeroPerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_RedeemableWarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOfDollarElevenPointFiveZeroPerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassAOrdinarySharesParValueDollarZeroPointZeroZeroZeroOnePerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A ordinary shares, par value $0.0001 per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptacu_ClassAOrdinarySharesParValueDollarZeroPointZeroZeroZeroOnePerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A Ordinary Shares, Par Value Dollar Zero Point Zero Zero Zero One Per Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Noncurrent, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies (Note 6)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses and insurance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preference shares, $0.0001 par value; 5,000,000 shares authorized; none issued or outstanding as of June 30, 2026 and December 31, 2025</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
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