[sheng]

UUIDs are 120 Bit or less. Depending on the Version you use. But you lose 8 bit on any version because 1 byte is used to decode the UUID version.

[fweespeech]

Yes. 128bit is the worst case for UUIDs, I was trying to avoid the claim I was being overly generous by using the smallest size I could get away with. ;)

[JoeAltmaier]

Hm. The RFC says 4 bits + 2 bits (variant and variant version) are taken. That leaves 122 bits?