Interpret a UUID

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UUID: 
Your input:                      d8621227-cd03-8e13-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:d8621227-cd03-8e13-87ea-5ce32bd83b97
URI:                             uuid:d8621227-cd03-8e13-87ea-5ce32bd83b97
Microsoft GUID syntax:           {D8621227-CD03-8E13-87EA-5CE32BD83B97}
C++ struct syntax:               { 0xd8621227, 0xcd03, 0x8e13, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.287622460418398170168352141196194757527
As OID (Microsoft):              1.2.840.113556.1.8000.2554.55394.4647.52483.36371.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.15592044822062665235.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.3630305831.3439562259.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.55394.4647.52483.36371.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0xd8621227cd03e1307ea5ce32bd83b97]
Custom data block1 (32 bit):     [0xd8621227]
Custom data block2 (16 bit):     [0xcd03]
Custom data block3 (12 bit):     [0xe13]
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:                  [0xd862] 0b1101100001100010
Milliseconds:                    [0x12] 71 (deviation -2ms..2ms)
Seconds:                         [0x27] 39
Minute of day:                   [0x03cd] 973 (16:12)
Day of year:                     [0x13e] 318 (Day=14, Month=11)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7ea] 2026
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2026-11-14 16:12:39'071 (deviation -2ms..2ms)

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