v3.26.1
Description of Organization and Business Operations - Additional Information (Details)
 3 Months Ended 4 Months Ended 6 Months Ended 12 Months Ended
Jul. 27, 2026
USD ($)
$ / shares
Jul. 26, 2026
USD ($)
$ / shares
May 21, 2026
USD ($)
$ / shares
shares
Apr. 16, 2026
USD ($)
shares
Mar. 31, 2026
USD ($)
Feb. 25, 2026
USD ($)
Day
$ / shares
shares
Feb. 25, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
Day
$ / shares
shares
Apr. 15, 2026
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
$ / shares
Description of Organization and Business Operations [Line Items]                          
Proceeds from issuance initial public offering                 $ 75,000,000        
Payments of stock issuance costs                 1,512,251        
Proceeds from issuance of private placement               $ 2,750,000 2,750,000        
Proceeds from issuance of common stock                 $ 25,000        
Percentage of public shares to be redeemed on non-completion of business combination           100.00% 100.00% 100.00% 100.00%   100.00%    
Lock in period for redemption of public shares after closing of IPO.           24 months     24 months        
Dissolution expense           $ 100,000     $ 100,000        
Repayments of notes payable                 300,000        
Cash               $ 832,812 832,812   $ 832,812    
Working capital deficit           $ 136,730 $ 136,730 905,874 905,874   905,874    
OHB Pediatrics Ltd [Member]                          
Description of Organization and Business Operations [Line Items]                          
Stock issued during period, shares, new issues | shares                   61,302,500   1,000,000  
common stock, par or stated value per share | $ / shares                       $ 0.000001 $ 0.000001
Cash               $ 26,982,000 $ 26,982,000   $ 26,982,000 $ 0  
Entity Incorporation, Date of Incorporation                     Sep. 16, 2024 Sep. 16, 2024  
Subsequent Event [Member] | OHB Pediatrics Ltd [Member]                          
Description of Organization and Business Operations [Line Items]                          
shares issued, price per share | $ / shares $ 10 $ 10                      
Proceeds from issuance initial public offering   $ 45,000,000                      
Business Combination, Consideration Transferred $ 175,000,000 175,000,000                      
Payments to Acquire Businesses, Gross $ 75,000,000 75,000,000                      
Amount For Investment In Company   $ 45,000,000                      
Shares Issued, Price Per Share | $ / shares $ 10 $ 10                      
Amount of committed private financing $ 100,000,000 $ 100,000,000                      
Sponsor [Member]                          
Description of Organization and Business Operations [Line Items]                          
Minimum share price of the residual assets remaining available for distribution | shares           10 10 10 10   10    
Sponsor [Member] | Promissory Note [Member]                          
Description of Organization and Business Operations [Line Items]                          
Repayments of notes payable     $ 300,000                    
Working Capital Loan [Member]                          
Description of Organization and Business Operations [Line Items]                          
Debt instrument, convertible, carrying amount of equity component               $ 3,000,000 $ 3,000,000   $ 3,000,000    
Debt instrument, convertible, conversion price | $ / shares               $ 10 $ 10   $ 10    
Working capital loans               $ 0 $ 0   $ 0    
Maximum [Member]                          
Description of Organization and Business Operations [Line Items]                          
Share price | $ / shares           $ 10 $ 10 $ 10 $ 10   $ 10    
Minimum [Member]                          
Description of Organization and Business Operations [Line Items]                          
Percentage of fair market value of target business to asset held in trust account.           80.00%     80.00%        
Percentage of redeeming shares of public shares without the company's prior written consent.           15.00%     15.00%        
Minimum [Member] | Outstanding Voting Securities [Member]                          
Description of Organization and Business Operations [Line Items]                          
Business combination, voting equity interest acquired, percentage           50.00% 50.00% 50.00% 50.00%   50.00%    
IPO [Member]                          
Description of Organization and Business Operations [Line Items]                          
Business days for redemption of public shares. | Day           10     10        
Sale of Stock, Price Per Share | $ / shares           $ 10 $ 10            
IPO [Member] | Sponsor [Member]                          
Description of Organization and Business Operations [Line Items]                          
Proceeds from unsecured notes payable         $ 300,000                
IPO [Member] | Minimum [Member]                          
Description of Organization and Business Operations [Line Items]                          
Business days for redemption of public shares. | Day           20     20        
Common Class A [Member]                          
Description of Organization and Business Operations [Line Items]                          
common stock, par or stated value per share | $ / shares           $ 0.0001 $ 0.0001 $ 0.0001 $ 0.0001   $ 0.0001    
Common Class A [Member] | IPO [Member]                          
Description of Organization and Business Operations [Line Items]                          
Stock issued during period, shares, new issues | shares     7,500,000       7,500,000            
common stock, par or stated value per share | $ / shares     $ 0.0001                    
shares issued, price per share | $ / shares     $ 10     10 $ 10            
Proceeds from issuance initial public offering     $ 75,000,000                    
Payments of stock issuance costs     3,762,251                    
Deferred underwriting commissions     2,250,000                    
Payments for underwriting expense     750,000                    
Other offering expense     762,251                    
Proceeds from issuance of common stock     $ 75,000,000                    
Shares Issued, Price Per Share | $ / shares     $ 10     10 $ 10            
Common Class A [Member] | Private Placement [Member]                          
Description of Organization and Business Operations [Line Items]                          
Stock issued during period, shares, new issues | shares     275,000       275,000            
Proceeds from issuance of private placement     $ 2,750,000                    
Sale of Stock, Price Per Share | $ / shares           10 $ 10            
Public Shares [Member]                          
Description of Organization and Business Operations [Line Items]                          
Share price | $ / shares           $ 10 $ 10 $ 10 $ 10   $ 10    
Series A Preferred Stock [Member] | OHB Pediatrics Ltd [Member]                          
Description of Organization and Business Operations [Line Items]                          
Proceeds from Issuance of Preferred Stock and Preference Stock       $ 32,500,000                  
Preferred Stock, Shares Subscribed but Unissued | shares       32,500,000