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Cover
Jul. 03, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 03, 2025
Entity File Number 001-42731
Entity Registrant Name 1RT Acquisition Corp.
Entity Central Index Key 0002054272
Entity Tax Identification Number 33-1579459
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 205 West 28th Street
Entity Address, Address Line Two 2nd Floor Suite C
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10001
City Area Code (315)
Local Phone Number 810-1230
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 and one-quarter of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-quarter of one redeemable warrant
Trading Symbol ONCHU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol ONCH
Security Exchange Name NASDAQ
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share  
Title of 12(b) Security Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol ONCHW
Security Exchange Name NASDAQ