Interpret a UUID
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Your input: 01a1ca72-6e0e-7b03-8106-e8700385efc9
Various notations:
URN: urn:uuid:01a1ca72-6e0e-7b03-8106-e8700385efc9
URI: uuid:01a1ca72-6e0e-7b03-8106-e8700385efc9
Microsoft GUID syntax: {01A1CA72-6E0E-7B03-8106-E8700385EFC9}
C++ struct syntax: { 0x01a1ca72, 0x6e0e, 0x7b03, { 0x81, 0x06, 0xe8, 0x70, 0x03, 0x85, 0xef, 0xc9 } }
As OID (ISO/ITU-T 128 bits): 2.25.2169293902820344342194901582262693833
As OID (Microsoft): 1.2.840.113556.1.8000.2554.417.51826.28174.31491.33030.15233027.8777673
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.117597658109868803.9297374048546058185
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.27380338.1846442755.2164713584.59109321
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.417.51826.28174.31491.33030.59504.901.61385
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x7] Unix Epoch Time
Timestamp: [0x01a1ca726e0e] 2026-11-11 11:50:59'342 GMT
Random bits: ????1011 00000011 ??000001 00000110 11101000 01110000 00000011 10000101 11101111 11001001
Random bytes: [0xb03?106e8700385efc9]
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