Just a stupid question, but why not append the date, even in seconds as hex. It's just a few bytes and would guarantee that everything OK now will be OK in the future?
yeah, any sort of additional semi-random data could've helped prevent this, I'm sure. That, however, is also kind of the idea of UUIDv4, it has lots of randomness and time built in already.
> but why not append the date
And use uuid v5 to hash it :)
You can just use a different UUID variant which includes timestamp data instead (e.g. v1 or v7), there are also variants which include the MAC address.