Interpret a UUID
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Your input: 155c581a-ae04-8900-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:155c581a-ae04-8900-87ea-5ce32bd83b97
URI: uuid:155c581a-ae04-8900-87ea-5ce32bd83b97
Microsoft GUID syntax: {155C581A-AE04-8900-87EA-5CE32BD83B97}
C++ struct syntax: { 0x155c581a, 0xae04, 0x8900, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.28393266188301658576869234805069855639
As OID (Microsoft): 1.2.840.113556.1.8000.2554.5468.22554.44548.35072.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.1539202044265793792.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.358373402.2919532800.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.5468.22554.44548.35072.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0x155c581aae0490007ea5ce32bd83b97]
Custom data block1 (32 bit): [0x155c581a]
Custom data block2 (16 bit): [0xae04]
Custom data block3 (12 bit): [0x900]
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: [0x155c] 0b0001010101011100
Milliseconds: [0x58] 345 (deviation -2ms..2ms)
Seconds: [0x1a] 26
Minute of day: [0x04ae] 1198 (19:57)
Day of year: [0x009] 9 (Day=9, Month=1)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-01-09 19:57:26'345 (deviation -2ms..2ms)