Interpret a UUID
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Your input: 405c4e19-7805-8004-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:405c4e19-7805-8004-87ea-5ce32bd83b97
URI: uuid:405c4e19-7805-8004-87ea-5ce32bd83b97
Microsoft GUID syntax: {405C4E19-7805-8004-87EA-5CE32BD83B97}
C++ struct syntax: { 0x405c4e19, 0x7805, 0x8004, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.85549867087017818048719972717135674263
As OID (Microsoft): 1.2.840.113556.1.8000.2554.16476.19993.30725.32772.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.4637667587579543556.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.1079791129.2013626372.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.16476.19993.30725.32772.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0x405c4e19780500407ea5ce32bd83b97]
Custom data block1 (32 bit): [0x405c4e19]
Custom data block2 (16 bit): [0x7805]
Custom data block3 (12 bit): [0x004]
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: [0x405c] 0b0100000001011100
Milliseconds: [0x4e] 306 (deviation -2ms..2ms)
Seconds: [0x19] 25
Minute of day: [0x0578] 1400 (23:19)
Day of year: [0x040] 64 (Day=5, Month=3)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-03-05 23:19:25'306 (deviation -2ms..2ms)