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  <xs:element id="ptacu_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareTable" name="ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareLineItems" name="ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_MeasurementInputTypeRedemptionTriggerPriceMember" name="MeasurementInputTypeRedemptionTriggerPriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_MeasurementInputSelectedMarketAdjustmentFactorMember" name="MeasurementInputSelectedMarketAdjustmentFactorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_ScheduleOfQuantitativeInformationMarketAssumptionsLineItems" name="ScheduleOfQuantitativeInformationMarketAssumptionsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_WarrantInstrumentsPolicyTextBlock" name="WarrantInstrumentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_FounderShareMember" name="FounderShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_ShareSubjectToForfeiture" name="ShareSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_ForfeitedMember" name="ForfeitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_OrdinarySharesSubjectToForfeiture" name="OrdinarySharesSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_IssuanceAndSaleOfAdditionalUnits" name="IssuanceAndSaleOfAdditionalUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_SponsorMember" name="SponsorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_PublicShareMember" name="PublicShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_InterestToBePayDissolutionExpenses" name="InterestToBePayDissolutionExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_PrivatePlacementWarrantTotalingAmount" name="PrivatePlacementWarrantTotalingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_NumberOfUnitsIssuedDuringPeriod" name="NumberOfUnitsIssuedDuringPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_UnitsIssuedPricePerShare" name="UnitsIssuedPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_KBWMember" name="KBWMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_InvestmentsMaximumMaturityTerm" name="InvestmentsMaximumMaturityTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_PercentageOfPublicSharesToBeRedeemedOnNonCompletionOfBusinessCombination" name="PercentageOfPublicSharesToBeRedeemedOnNonCompletionOfBusinessCombination" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMarketAdjustmentFactor" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMarketAdjustmentFactor" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTimeToExpiration" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTimeToExpiration" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_WorkingCapitalLoans" name="WorkingCapitalLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_ConvertibleWorkingCapitalLoans" name="ConvertibleWorkingCapitalLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_NumberOfUnitsIssuedPricePerShare" name="NumberOfUnitsIssuedPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_BusinessCombinationPricePerWarrant" name="BusinessCombinationPricePerWarrant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_PrivatePlacementWarrantMember" name="PrivatePlacementWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_UnitsIssuedDuringPeriodSharesNewIssues" name="UnitsIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_OtherOfferingCosts" name="OtherOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_CashUnderwritingFees" name="CashUnderwritingFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_DeferredUnderwritingFees" name="DeferredUnderwritingFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_DeferredUnderwritingFeeNoncurrent" name="DeferredUnderwritingFeeNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_NoLongerSubjectToForfeiture" name="NoLongerSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfSharesSubjectToForfeiture" name="NumberOfSharesSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_OrdinarySharesSubjectToForfeitureIfTheOverallotmentOption" name="OrdinarySharesSubjectToForfeitureIfTheOverallotmentOption" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_DeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty" name="DeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_PaymentOfGeneralAndAdministrativeExpensesThroughPromissoryNoteRelatedParty" name="PaymentOfGeneralAndAdministrativeExpensesThroughPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_PrivatePlacementWarrantsMember" name="PrivatePlacementWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_SaleOfPrivatePlacementWarrants" name="SaleOfPrivatePlacementWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_SharesSubjectToForfeitures" name="SharesSubjectToForfeitures" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfAdditionalUnitsIssuedDuringThePeriod" name="NumberOfAdditionalUnitsIssuedDuringThePeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfSharesSubjectNotToForfeiture" name="NumberOfSharesSubjectNotToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfSharesSurrenderDuringThePeriod" name="NumberOfSharesSurrenderDuringThePeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_DeferredOfferingCostsIncludedInAccruedOfferingCosts" name="DeferredOfferingCostsIncludedInAccruedOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_OverAllotmentOptionLiabilityMember" name="OverAllotmentOptionLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_LessClassAOrdinarySharesSubjectToPossibleRedemptionAbstract" name="LessClassAOrdinarySharesSubjectToPossibleRedemptionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_PublicWarrantsMember" name="PublicWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_DisclosureOfInitialPublicOfferingTextBlock" name="DisclosureOfInitialPublicOfferingTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_OfferingCostsPolicyTextBlock" name="OfferingCostsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_PlusClassAOrdinarySharesSubjectToPossibleRedemptionAbstract" name="PlusClassAOrdinarySharesSubjectToPossibleRedemptionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_LiquidityAndCapitalResourcesPolicyTextBlock" name="LiquidityAndCapitalResourcesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_PrivatePlacementTextBlock" name="PrivatePlacementTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_EmergingGrowthCompanyStatusPolicyTextBlock" name="EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_AffirmativeVote" name="AffirmativeVote" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_CommonStockSharesIssuedAndOutstandingPercentage" name="CommonStockSharesIssuedAndOutstandingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfShareSubjectNotToForfeitureDuringPeriod" name="NumberOfShareSubjectNotToForfeitureDuringPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_OrdinarySharesVotedForTheAppointmentOf" name="OrdinarySharesVotedForTheAppointmentOf" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering" name="WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_WarrantExpirationTerm" name="WarrantExpirationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_RedeemableWarrantMember" name="RedeemableWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_PublicWarrantMember" name="PublicWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_PeriodForRegistrationStatementToBecomeEffective" name="PeriodForRegistrationStatementToBecomeEffective" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfWarrantsIssuedPerUnit" name="NumberOfWarrantsIssuedPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfSharesIssuedPerUnit" name="NumberOfSharesIssuedPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_InitialPublicOfferingTable" name="InitialPublicOfferingTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_PrivatePlacementAbstract" name="PrivatePlacementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_PrivatePlacementDetailsTable" name="PrivatePlacementDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_WorkingCapitalDeficit" name="WorkingCapitalDeficit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_NumberOfAdditionalUnitsSold" name="NumberOfAdditionalUnitsSold" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_FounderSharesSubjectToForfeiture" name="FounderSharesSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_PercentageOfPublicSharesToBeRedeemed" name="PercentageOfPublicSharesToBeRedeemed" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_PostBusinessCombinationMember" name="PostBusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_SaleOfAdditionalUnits" name="SaleOfAdditionalUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_DeferredUnderwritingDiscountPercentage" name="DeferredUnderwritingDiscountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_UnderwritersOverallotmentOptionPeriod" name="UnderwritersOverallotmentOptionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_UnderwritingAgreementMember" name="UnderwritingAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_WarrantExercisePricePerShare" name="WarrantExercisePricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_UnderwritersReimbursement" name="UnderwritersReimbursement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_PercentageOfNetBalanceInTrustAccount" name="PercentageOfNetBalanceInTrustAccount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_PublicSharePriceHeldInTrustAccount" name="PublicSharePriceHeldInTrustAccount" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_PublicSharesReductionPrice" name="PublicSharesReductionPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="ptacu_WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination" name="WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_NumberOfTradingDays" name="NumberOfTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_CompletionOfTheCompanysInitialBusinessCombination" name="CompletionOfTheCompanysInitialBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_AggregateOfSponsorSharesSurrendered" name="AggregateOfSponsorSharesSurrendered" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_AggregatePurchasePrice" name="AggregatePurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="ptacu_CapitalContribution" name="CapitalContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" name="ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="ptacu_AccruedOfferingCosts" name="AccruedOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="ptacu_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember" name="UnitsEachConsistingOfOneClassAOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_RedeemableWarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOfDollarElevenPointFiveZeroPerShareMember" name="RedeemableWarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOfDollarElevenPointFiveZeroPerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="ptacu_ClassAOrdinarySharesParValueDollarZeroPointZeroZeroZeroOnePerShareMember" name="ClassAOrdinarySharesParValueDollarZeroPointZeroZeroZeroOnePerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xs:schema>
