Interpret a UUID
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Your input: 819a8914-8f00-8b0b-87ea-5ce32bd83b97
Various notations:
URN: urn:uuid:819a8914-8f00-8b0b-87ea-5ce32bd83b97
URI: uuid:819a8914-8f00-8b0b-87ea-5ce32bd83b97
Microsoft GUID syntax: {819A8914-8F00-8B0B-87EA-5CE32BD83B97}
C++ struct syntax: { 0x819a8914, 0x8f00, 0x8b0b, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }
As OID (ISO/ITU-T 128 bits): 2.25.172272805491404474649621030844736486295
As OID (Microsoft): 1.2.840.113556.1.8000.2554.33178.35092.36608.35595.34794.6087467.14171031
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.9338927498697673483.9793742470433487767
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.2174388500.2399177483.2280283363.735591319
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.33178.35092.36608.35595.34794.23779.11224.15255
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x8] Custom implementation
Custom data: [0x819a89148f00b0b07ea5ce32bd83b97]
Custom data block1 (32 bit): [0x819a8914]
Custom data block2 (16 bit): [0x8f00]
Custom data block3 (12 bit): [0xb0b]
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: [0x819a] 0b1000000110011010
Milliseconds: [0x89] 537 (deviation -2ms..2ms)
Seconds: [0x14] 20
Minute of day: [0x008f] 143 (02:22)
Day of year: [0x0bb] 187 (Day=6, Month=7)
Unused 2 bits: [0] 0b00
Year: [0x7ea] 2026
Signature: [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time: 2026-07-06 02:22:20'537 (deviation -2ms..2ms)
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