00000000-0000-0000-0000-000000000000
NILNILNIL UUID
Well-known UUID
The NIL UUID (all zeros) represents a null or uninitialized value. It is the only UUID with all 128 bits set to zero.
Breakdown
Version: NIL — NIL UUID (all zeros) · Variant: NIL
00000000-0000-0000-0000-000000000000
time_low (8 hex)time_mid (4 hex)time_hi_and_version (4 hex)clock_seq (4 hex)node (12 hex)