Interpret a UUID
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Your input: 54fcfe20-3c03-850a-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:54fcfe20-3c03-850a-87ea-5ce32bd83b97
URI: uuid:54fcfe20-3c03-850a-87ea-5ce32bd83b97
Microsoft GUID syntax: {54FCFE20-3C03-850A-87EA-5CE32BD83B97}
C++ struct syntax: { 0x54fcfe20, 0x3c03, 0x850a, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.112968764740197593502798916615098874775
As OID (Microsoft): 1.2.840.113556.1.8000.2554.21756.65056.15363.34058.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.6124049007716304138.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.1425866272.1006863626.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.21756.65056.15363.34058.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0x54fcfe203c0350a07ea5ce32bd83b97]
Custom data block1 (32 bit): [0x54fcfe20]
Custom data block2 (16 bit): [0x3c03]
Custom data block3 (12 bit): [0x50a]
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: [0x54fc] 0b0101010011111100
Milliseconds: [0xfe] 995 (deviation -2ms..2ms)
Seconds: [0x20] 32
Minute of day: [0x033c] 828 (13:47)
Day of year: [0x0a5] 165 (Day=14, Month=6)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-06-14 13:47:32'995 (deviation -2ms..2ms)
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