Posted by Sean P. DeNigris on Aug 12, 2015; 10:38am
URL: https://forum.world.st/UUIDs-tp4842189p4842284.html

Ben Coman wrote

Unless your requirements *specifically* need identical files to be
maintained as duplicates, I would strongly consider using something
content based like MD5 or SHA

Interesting... There should not be any duplicates. What's the advantage over UUID?