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Re:Understanding How UUIDs Are Generated by j-pb on Thursday October 01, 2020 @03:22AM (#24648293)
Microsoft research has a great blog post on this.

https://devblogs.microsoft.com/oldnewthing/20160114-00/?p=92...

TLDR: It's far more likely for a UUIDv1 to be corrupted to a collision due to memory errors and bit-flips, than for two UUIDv4 to collide.

TLDRTLDR: All computing is approximate at scale.

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