Interpret a UUID

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UUID: 
Your input:                      a3a9639a-68ee-480b-920d-057d58f73daf

Various notations:

URN:                             urn:uuid:a3a9639a-68ee-480b-920d-057d58f73daf
URI:                             uuid:a3a9639a-68ee-480b-920d-057d58f73daf
Microsoft GUID syntax:           {A3A9639A-68EE-480B-920D-057D58F73DAF}
C++ struct syntax:               { 0xa3a9639a, 0x68ee, 0x480b, { 0x92, 0x0d, 0x05, 0x7d, 0x58, 0xf7, 0x3d, 0xaf } }

As OID (ISO/ITU-T 128 bits):     2.25.217543681674195967454935359145354149295
As OID (Microsoft):              1.2.840.113556.1.8000.2554.41897.25498.26862.18443.37389.359768.16203183
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.11793066614082914315.10524073940156366255
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.2745787290.1760446475.2450326909.1492598191
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.41897.25498.26862.18443.37389.1405.22775.15791

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     10100011 10101001 01100011 10011010 01101000 11101110 ????1000 00001011
                                 ??010010 00001101 00000101 01111101 01011000 11110111 00111101 10101111
Random bytes:                    [0xa3a9639a68ee?80b?20d057d58f73daf]