Interpret a UUID

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UUID: 
Your input:                      87df5f35-9e05-8910-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:87df5f35-9e05-8910-87ea-5ce32bd83b97
URI:                             uuid:87df5f35-9e05-8910-87ea-5ce32bd83b97
Microsoft GUID syntax:           {87DF5F35-9E05-8910-87EA-5CE32BD83B97}
C++ struct syntax:               { 0x87df5f35, 0x9e05, 0x8910, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.180605592707327193017896816061533666199
As OID (Microsoft):              1.2.840.113556.1.8000.2554.34783.24373.40453.35088.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.9790648798815815952.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.2279563061.2651162896.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.34783.24373.40453.35088.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0x87df5f359e0591007ea5ce32bd83b97]
Custom data block1 (32 bit):     [0x87df5f35]
Custom data block2 (16 bit):     [0x9e05]
Custom data block3 (12 bit):     [0x910]
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:                  [0x87df] 0b1000011111011111
Milliseconds:                    [0x5f] 372 (deviation -2ms..2ms)
Seconds:                         [0x35] 53
Minute of day:                   [0x059e] 1438 (23:57)
Day of year:                     [0x109] 265 (Day=22, Month=9)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7ea] 2026
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2026-09-22 23:57:53'372 (deviation -2ms..2ms)

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