Interpret a UUID

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UUID: 
Your input:                      f21cd745-8118-4d86-8990-467c9656b941

Various notations:

URN:                             urn:uuid:f21cd745-8118-4d86-8990-467c9656b941
URI:                             uuid:f21cd745-8118-4d86-8990-467c9656b941
Microsoft GUID syntax:           {F21CD745-8118-4D86-8990-467C9656B941}
C++ struct syntax:               { 0xf21cd745, 0x8118, 0x4d86, { 0x89, 0x90, 0x46, 0x7c, 0x96, 0x56, 0xb9, 0x41 } }

As OID (ISO/ITU-T 128 bits):     2.25.321822925516749561600320257184826308929
As OID (Microsoft):              1.2.840.113556.1.8000.2554.61980.55109.33048.19846.35216.4619414.5683521
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.17446055750045027718.9912500280754616641
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4061976389.2165853574.2307933820.2522265921
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.61980.55109.33048.19846.35216.18044.38486.47425

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11110010 00011100 11010111 01000101 10000001 00011000 ????1101 10000110
                                 ??001001 10010000 01000110 01111100 10010110 01010110 10111001 01000001
Random bytes:                    [0xf21cd7458118?d86?990467c9656b941]