Interpret a UUID
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Your input: ac9bb039-1804-8906-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:ac9bb039-1804-8906-87ea-5ce32bd83b97
URI: uuid:ac9bb039-1804-8906-87ea-5ce32bd83b97
Microsoft GUID syntax: {AC9BB039-1804-8906-87EA-5CE32BD83B97}
C++ struct syntax: { 0xac9bb039, 0x1804, 0x8906, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.229435595515607057452611999067658533783
As OID (Microsoft): 1.2.840.113556.1.8000.2554.44187.45113.6148.35078.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.12437728555176331526.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.2895884345.402950406.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.44187.45113.6148.35078.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0xac9bb039180490607ea5ce32bd83b97]
Custom data block1 (32 bit): [0xac9bb039]
Custom data block2 (16 bit): [0x1804]
Custom data block3 (12 bit): [0x906]
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: [0xac9b] 0b1010110010011011
Milliseconds: [0xb0] 690 (deviation -2ms..2ms)
Seconds: [0x39] 57
Minute of day: [0x0418] 1048 (17:27)
Day of year: [0x069] 105 (Day=15, Month=4)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-04-15 17:27:57'690 (deviation -2ms..2ms)