Interprete a UUID

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UUID: 
Your input:                      640f1af8-654f-4c21-bf1f-eb6d3328b526

Various notations:

URN:                             urn:uuid:640f1af8-654f-4c21-bf1f-eb6d3328b526
URI:                             uuid:640f1af8-654f-4c21-bf1f-eb6d3328b526
Microsoft GUID syntax:           {640F1AF8-654F-4C21-BF1F-EB6D3328B526}
C++ struct syntax:               { 0x640f1af8, 0x654f, 0x4c21, { 0xbf, 0x1f, 0xeb, 0x6d, 0x33, 0x28, 0xb5, 0x26 } }

As OID (ISO/ITU-T 128 bits):     2.25.133001231053957458839868054511626532134
As OID (Microsoft):              1.2.840.113556.1.8000.2554.25615.6904.25935.19489.48927.15428915.2667814
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.7210011182597360673.13771985039764534566
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.1678711544.1699695649.3206540141.858305830
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.25615.6904.25935.19489.48927.60269.13096.46374

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     01100100 00001111 00011010 11111000 01100101 01001111 ????1100 00100001
                                 ??111111 00011111 11101011 01101101 00110011 00101000 10110101 00100110
Random bytes:                    [0x640f1af8654f?c21?f1feb6d3328b526]