Interprete a UUID
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Your input: 1872bc38-3504-8c15-87e9-5ce32bd83b97
Various notations:
URN: urn:uuid:1872bc38-3504-8c15-87e9-5ce32bd83b97
URI: uuid:1872bc38-3504-8c15-87e9-5ce32bd83b97
Microsoft GUID syntax: {1872BC38-3504-8C15-87E9-5CE32BD83B97}
C++ struct syntax: { 0x1872bc38, 0x3504, 0x8c15, { 0x87, 0xe9, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.32497211286901741364478888802761849751
As OID (Microsoft): 1.2.840.113556.1.8000.2554.6258.48184.13572.35861.34793.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.1761677353848966165.9793460995456777111
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.410172472.889490453.2280217827.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.6258.48184.13572.35861.34793.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0x1872bc383504c1507e95ce32bd83b97]
Custom data block1 (32 bit): [0x1872bc38]
Custom data block2 (16 bit): [0x3504]
Custom data block3 (12 bit): [0xc15]
Custom data block4 (14 bit): [0x07e9]
Custom data block5 (48 bit): [0x5ce32bd83b97]
Interpretation of HickelSOFT "SQL Server Sortable Custom UUID", Version 3
Random 16 bits: [0x1872] 0b0001100001110010
Milliseconds: [0xbc] 737 (deviation -2ms..2ms)
Seconds: [0x38] 56
Minute of day: [0x0435] 1077 (17:56)
Day of year: [0x15c] 348 (Day=14, Month=12)
Unused 2 bits: [0] 0b00
Year: [0x7e9] 2025
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2025-12-14 17:56:56'737 (deviation -2ms..2ms)