Interpret a UUID

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UUID: 
Your input:                      42704a21-f502-8004-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:42704a21-f502-8004-87ea-5ce32bd83b97
URI:                             uuid:42704a21-f502-8004-87ea-5ce32bd83b97
Microsoft GUID syntax:           {42704A21-F502-8004-87EA-5CE32BD83B97}
C++ struct syntax:               { 0x42704a21, 0xf502, 0x8004, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.88312088558627231304740491426700737431
As OID (Microsoft):              1.2.840.113556.1.8000.2554.17008.18977.62722.32772.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.4787407913599795204.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.1114655265.4110581764.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.17008.18977.62722.32772.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0x42704a21f50200407ea5ce32bd83b97]
Custom data block1 (32 bit):     [0x42704a21]
Custom data block2 (16 bit):     [0xf502]
Custom data block3 (12 bit):     [0x004]
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:                  [0x4270] 0b0100001001110000
Milliseconds:                    [0x4a] 290 (deviation -2ms..2ms)
Seconds:                         [0x21] 33
Minute of day:                   [0x02f5] 757 (12:36)
Day of year:                     [0x040] 64 (Day=5, Month=3)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7ea] 2026
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2026-03-05 12:36:33'290 (deviation -2ms..2ms)