Interpret a UUID

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UUID: 
Your input:                      1ef23530-8401-8e11-87ea-5ce32bd83b97

Various notations:

URN:                             urn:uuid:1ef23530-8401-8e11-87ea-5ce32bd83b97
URI:                             uuid:1ef23530-8401-8e11-87ea-5ce32bd83b97
Microsoft GUID syntax:           {1EF23530-8401-8E11-87EA-5CE32BD83B97}
C++ struct syntax:               { 0x1ef23530, 0x8401, 0x8e11, { 0x87, 0xea, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.41134454524827599818105388528471391127
As OID (Microsoft):              1.2.840.113556.1.8000.2554.7922.13616.33793.36369.34794.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.2229903247991213585.9793742470433487767
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.519189808.2214694417.2280283363.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.7922.13616.33793.36369.34794.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0x1ef235308401e1107ea5ce32bd83b97]
Custom data block1 (32 bit):     [0x1ef23530]
Custom data block2 (16 bit):     [0x8401]
Custom data block3 (12 bit):     [0xe11]
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:                  [0x1ef2] 0b0001111011110010
Milliseconds:                    [0x35] 208 (deviation -2ms..2ms)
Seconds:                         [0x30] 48
Minute of day:                   [0x0184] 388 (06:27)
Day of year:                     [0x11e] 286 (Day=13, Month=10)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7ea] 2026
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2026-10-13 06:27:48'208 (deviation -2ms..2ms)

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