Generates a version 4 UUID (Universally Unique Identifier).
A UUID is a 128-bit number used to uniquely identify information in computer systems.
Version 4 UUIDs are randomly generated and have a specific format that includes
version and variant bits.
The format of a version 4 UUID is: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
where:
x is any hexadecimal digit (0-9, a-f)
4 indicates the version
y is one of [8, 9, A, or B] (indicating the variant)
Generates a version 4 UUID (Universally Unique Identifier).
A UUID is a 128-bit number used to uniquely identify information in computer systems. Version 4 UUIDs are randomly generated and have a specific format that includes version and variant bits.
The format of a version 4 UUID is:
xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxxwhere:xis any hexadecimal digit (0-9, a-f)4indicates the versionyis one of [8, 9, A, or B] (indicating the variant)