0 | 0 | 0 | 0 | 0 | Unused |
0 | 0 | 0 | 1 | 1 | The Gregorian time-based UUID from in |
0 | 0 | 1 | 0 | 2 | DCE Security version, with embedded POSIX UIDs from |
0 | 0 | 1 | 1 | 3 | The name-based version specified in that uses MD5 hashing. |
0 | 1 | 0 | 0 | 4 | The randomly or pseudo-randomly generated version specified in . |
0 | 1 | 0 | 1 | 5 | The name-based version specified in that uses SHA-1 hashing. |
0 | 1 | 1 | 0 | 6 | Reordered Gregorian time-based UUID specified in this document. |
0 | 1 | 1 | 1 | 7 | Unix Epoch time-based UUID specified in this document. |
1 | 0 | 0 | 0 | 8 | Reserved for custom UUID formats specified in this document. |
1 | 0 | 0 | 1 | 9 | Reserved for future definition. |
1 | 0 | 1 | 0 | 10 | Reserved for future definition. |
1 | 0 | 1 | 1 | 11 | Reserved for future definition. |
1 | 1 | 0 | 0 | 12 | Reserved for future definition. |
1 | 1 | 0 | 1 | 13 | Reserved for future definition. |
1 | 1 | 1 | 0 | 14 | Reserved for future definition. |
1 | 1 | 1 | 1 | 15 | Reserved for future definition. |