Interpret a UUID
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Your input: e4c12f2d-3803-8d02-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:e4c12f2d-3803-8d02-87ea-5ce32bd83b97
URI: uuid:e4c12f2d-3803-8d02-87ea-5ce32bd83b97
Microsoft GUID syntax: {E4C12F2D-3803-8D02-87EA-5CE32BD83B97}
C++ struct syntax: { 0xe4c12f2d, 0x3803, 0x8d02, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.304067053188512178752594995739685829527
As OID (Microsoft): 1.2.840.113556.1.8000.2554.58561.12077.14339.36098.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.16483507982412516610.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.3837865773.939756802.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.58561.12077.14339.36098.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0xe4c12f2d3803d0207ea5ce32bd83b97]
Custom data block1 (32 bit): [0xe4c12f2d]
Custom data block2 (16 bit): [0x3803]
Custom data block3 (12 bit): [0xd02]
Custom data block4 (14 bit): [0x07ea]
Custom data block5 (48 bit): [0x5ce32bd83b97]
Interpretation of HickelSOFT "SQL Server Sortable Custom UUID", Version 3
Random 16 bits: [0xe4c1] 0b1110010011000001
Milliseconds: [0x2f] 184 (deviation -2ms..2ms)
Seconds: [0x2d] 45
Minute of day: [0x0338] 824 (13:43)
Day of year: [0x02d] 45 (Day=14, Month=2)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-02-14 13:43:45'184 (deviation -2ms..2ms)