UUID

From annawiki

Universally unique identifier (UUID) : an octet string of 16 octets (128 bits).

  • defined by
    • ISO/IEC 11578:1996 Information technology -- Open Systems Interconnection -- Remote Procedure Call (RPC)
    • ITU-T Rec X.667 // http://itu.int/ITU-T/X.667
    • ISO/IEC 9834-8
      • ISO/IEC 9834-8:2005 Information technology -- Open Systems Interconnection -- Procedures for the operation of OSI Registration Authorities: Generation and registration of Universally Unique Identifiers (UUIDs) and their use as ASN.1 Object Identifier components
      • ISO/IEC 9834-8:2008 Information technology -- Open Systems Interconnection -- Procedures for the operation of OSI Registration Authorities: Generation and registration of Universally Unique Identifiers (UUIDs) and their use as ASN.1 Object Identifier components
      • ISO/IEC 9834-8:2014 Information technology -- Procedures for the operation of object identifier registration authorities -- Part 8: Generation of universally unique identifiers (UUIDs) and their use in object identifiers
    • http://oid-info.com/get/2.25

Representation

Canonical form: 32 hexadecimal (base 16) digits, displayed in five groups, in the form of 8-4-4-4-12.

Usage