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Cover
Oct. 29, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 29, 2025
Entity File Number 001-42837
Entity Registrant Name OTG Acquisition Corp. I
Entity Central Index Key 0002077010
Entity Tax Identification Number 98-1868600
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 12003 Cielo Court
Entity Address, City or Town Palm Beach Gardens
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33418
City Area Code (917)
Local Phone Number 488-5629
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one Class A ordinary share, $0.0001 par value per share, and one-half of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value per share, and one-half of one redeemable warrant
Trading Symbol OTGAU
Security Exchange Name NASDAQ
Class A ordinary shares included as part of the units  
Title of 12(b) Security Class A ordinary shares included as part of the units
Trading Symbol OTGA
Security Exchange Name NASDAQ
Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50  
Title of 12(b) Security Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol OTGAW
Security Exchange Name NASDAQ