Interprete a UUID

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UUID: 
Your input:                      b65e2a31-4403-8515-87e9-5ce32bd83b97

Various notations:

URN:                             urn:uuid:b65e2a31-4403-8515-87e9-5ce32bd83b97
URI:                             uuid:b65e2a31-4403-8515-87e9-5ce32bd83b97
Microsoft GUID syntax:           {B65E2A31-4403-8515-87E9-5CE32BD83B97}
C++ struct syntax:               { 0xb65e2a31, 0x4403, 0x8515, { 0x87, 0xe9, 0x5c, 0xe3, 0x2b, 0xd8, 0x3b, 0x97 } }

As OID (ISO/ITU-T 128 bits):     2.25.242408426901989515151912716261156993943
As OID (Microsoft):              1.2.840.113556.1.8000.2554.46686.10801.17411.34069.34793.6087467.14171031
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.13140987153796531477.9793460995456777111
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.3059624497.1141081365.2280217827.735591319
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.46686.10801.17411.34069.34793.23779.11224.15255

Interpretation of the UUID:

Variant:                         [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version:                         [0x8] Custom implementation
Custom data:                     [0xb65e2a31440351507e95ce32bd83b97]
Custom data block1 (32 bit):     [0xb65e2a31]
Custom data block2 (16 bit):     [0x4403]
Custom data block3 (12 bit):     [0x515]
Custom data block4 (14 bit):     [0x07e9]
Custom data block5 (48 bit):     [0x5ce32bd83b97]

Interpretation of HickelSOFT "SQL Server Sortable Custom UUID", Version 3

Random 16 bits:                  [0xb65e] 0b1011011001011110
Milliseconds:                    [0x2a] 165 (deviation -2ms..2ms)
Seconds:                         [0x31] 49
Minute of day:                   [0x0344] 836 (13:55)
Day of year:                     [0x155] 341 (Day=7, Month=12)
Unused 2 bits:                   [0] 0b00
Year:                            [0x7e9] 2025
Signature:                       [0x5ce32bd83b97] HickelSOFT "SQL Server Sortable Custom UUID", Version 3 (very likely)
UTC Date Time:                   2025-12-07 13:55:49'165 (deviation -2ms..2ms)