Code and verification script:

https://github.com/POlLLOGAMER/SHA-256-Colision-Finder-NEW.i...

https://github.com/POlLLOGAMER/SHA-256-Colision-Finder-NEW.i...

OSF project:

https://doi.org/10.17605/OSF.IO/EA739

Not a full collision. Open to feedback.