I believe the only differences were uid/gid and username/groupname values between the two tarballs. One had the information of Thomas Wouters, the release manag

I believe the only differences were uid/gid and username/groupname values between the two tarballs. One had the information of Thomas Wouters, the release manager of 3.12, and the other had generic GitHub Action usernames/groups. Normalizing these values to something known like 0/0 would have done the trick.