That was changed early on git's history. Originally, the object was hashed after being compressed; it was changed to be hashed before being compressed. See thi

That was changed early on git's history. Originally, the object was hashed after being compressed; it was changed to be hashed before being compressed. See this commit: https://github.com/git/git/commit/d98b46f8d9a3daf965a39f8c0089c1401e0081ee https://github.com/git/git/commit/d98b46f8d9a3daf965a39f8c00...