Interpret a UUID

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UUID:
Your input:                      ef641a36-253e-49be-8a8a-8f68bb22a909

Various notations:

URN:                             urn:uuid:ef641a36-253e-49be-8a8a-8f68bb22a909
URI:                             uuid:ef641a36-253e-49be-8a8a-8f68bb22a909
Microsoft GUID syntax:           {EF641A36-253E-49BE-8A8A-8F68BB22A909}
C++ struct syntax:               { 0xef641a36, 0x253e, 0x49be, { 0x8a, 0x8a, 0x8f, 0x68, 0xbb, 0x22, 0xa9, 0x09 } }

As OID (ISO/ITU-T 128 bits):     2.25.318205252310945094112391636964394313993
As OID (Microsoft):              1.2.840.113556.1.8000.2554.61284.6710.9534.18878.35466.9398459.2271497
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.17249941292591237566.9982949203999107337
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4016314934.624839102.2324336488.3139610889
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.61284.6710.9534.18878.35466.36712.47906.43273

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11101111 01100100 00011010 00110110 00100101 00111110 ????1001 10111110
                                 ??001010 10001010 10001111 01101000 10111011 00100010 10101001 00001001
Random bytes:                    [0xef641a36253e?9be?a8a8f68bb22a909]