I don’t think it does.
Looking at the Bubble Manual, a unique id is a 32-character alphanumeric string of this format:
Comparing it to a UUID example on Wikipedia it doesn’t seem to follow the same pattern:
In its canonical textual representation, the 16 octets of a UUID are represented as 32 hexadecimal
(base-16) digits, displayed in five groups separated by hyphens, in the form 8-4-4-4-12 for a total of 36 characters (32 hexadecimal characters and 4 hyphens). For example: