Interpret a UUID
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Your input: 15a93916-5a05-810e-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:15a93916-5a05-810e-87ea-5ce32bd83b97
URI: uuid:15a93916-5a05-810e-87ea-5ce32bd83b97
Microsoft GUID syntax: {15A93916-5A05-810E-87EA-5CE32BD83B97}
C++ struct syntax: { 0x15a93916, 0x5a05, 0x810e, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.28792443948802907625574773214519245719
As OID (Microsoft): 1.2.840.113556.1.8000.2554.5545.14614.23045.33038.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.1560841514022961422.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.363411734.1510310158.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.5545.14614.23045.33038.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0x15a939165a0510e07ea5ce32bd83b97]
Custom data block1 (32 bit): [0x15a93916]
Custom data block2 (16 bit): [0x5a05]
Custom data block3 (12 bit): [0x10e]
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: [0x15a9] 0b0001010110101001
Milliseconds: [0x39] 223 (deviation -2ms..2ms)
Seconds: [0x16] 22
Minute of day: [0x055a] 1370 (22:49)
Day of year: [0x0e1] 225 (Day=13, Month=8)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-08-13 22:49:22'223 (deviation -2ms..2ms)
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