Interpret a UUID

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UUID: 
Your input:                      fca77c21-ab27-42f2-9c61-cec6505e56e2

Various notations:

URN:                             urn:uuid:fca77c21-ab27-42f2-9c61-cec6505e56e2
URI:                             uuid:fca77c21-ab27-42f2-9c61-cec6505e56e2
Microsoft GUID syntax:           {FCA77C21-AB27-42F2-9C61-CEC6505E56E2}
C++ struct syntax:               { 0xfca77c21, 0xab27, 0x42f2, { 0x9c, 0x61, 0xce, 0xc6, 0x50, 0x5e, 0x56, 0xe2 } }

As OID (ISO/ITU-T 128 bits):     2.25.335835086199463732901563109741588010722
As OID (Microsoft):              1.2.840.113556.1.8000.2554.64679.31777.43815.17138.40033.13551184.6182626
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.18205656502715761394.11268515093804898018
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4238834721.2871476978.2623655622.1348359906
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.64679.31777.43815.17138.40033.52934.20574.22242

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11111100 10100111 01111100 00100001 10101011 00100111 ????0010 11110010
                                 ??011100 01100001 11001110 11000110 01010000 01011110 01010110 11100010
Random bytes:                    [0xfca77c21ab27?2f2?c61cec6505e56e2]