Interpret a UUID
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Your input: 01a1a99c-cf9f-77ec-b196-b95021653188
Various notations:
URN: urn:uuid:01a1a99c-cf9f-77ec-b196-b95021653188
URI: uuid:01a1a99c-cf9f-77ec-b196-b95021653188
Microsoft GUID syntax: {01A1A99C-CF9F-77EC-B196-B95021653188}
C++ struct syntax: { 0x01a1a99c, 0xcf9f, 0x77ec, { 0xb1, 0x96, 0xb9, 0x50, 0x21, 0x65, 0x31, 0x88 } }
As OID (ISO/ITU-T 128 bits): 2.25.2168627941081575044812365940679586184
As OID (Microsoft): 1.2.840.113556.1.8000.2554.417.43420.53151.30700.45462.12144673.6631816
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.117561556251670508.12796619145028645256
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.27371932.3483334636.2979445072.560279944
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.417.43420.53151.30700.45462.47440.8549.12680
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x7] Unix Epoch Time
Timestamp: [0x01a1a99ccf9f] 2026-11-05 02:49:48'703 GMT
Random bits: ????0111 11101100 ??110001 10010110 10111001 01010000 00100001 01100101 00110001 10001000
Random bytes: [0x7ec?196b95021653188]
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