Interpret a UUID

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UUID: 
Your input:                      8ffbb81c-7304-870c-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:8ffbb81c-7304-870c-87ea-5ce32bd83b97
URI:                             uuid:8ffbb81c-7304-870c-87ea-5ce32bd83b97
Microsoft GUID syntax:           {8FFBB81C-7304-870C-87EA-5CE32BD83B97}
C++ struct syntax:               { 0x8ffbb81c, 0x7304, 0x870c, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.191386604126087083450128023289291357079
As OID (Microsoft):              1.2.840.113556.1.8000.2554.36859.47132.29444.34572.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.10375088598906341132.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.2415638556.1929676556.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.36859.47132.29444.34572.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0x8ffbb81c730470c07ea5ce32bd83b97]
Custom data block1 (32 bit):     [0x8ffbb81c]
Custom data block2 (16 bit):     [0x7304]
Custom data block3 (12 bit):     [0x70c]
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:                  [0x8ffb] 0b1000111111111011
Milliseconds:                    [0xb8] 721 (deviation -2ms..2ms)
Seconds:                         [0x1c] 28
Minute of day:                   [0x0473] 1139 (18:58)
Day of year:                     [0x0c7] 199 (Day=18, 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:                   2026-07-18 18:58:28'721 (deviation -2ms..2ms)

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