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  2. Unique identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_identifier

    Unique identifier. A unique identifier ( UID) is an identifier that is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. [1] The concept was formalized early in the development of computer science and information systems. In general, it was associated with an atomic data type .

  3. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    Universally unique identifier. A Universally Unique Identifier ( UUID) is a 128-bit label used for information in computer systems. The term Globally Unique Identifier ( GUID) is also used, mostly in Microsoft systems. [1] [2] When generated according to the standard methods, UUIDs are, for practical purposes, unique.

  4. Unique Master Citizen Number - Wikipedia

    en.wikipedia.org/wiki/Unique_Master_Citizen_Number

    The JMBG was introduced in the Socialist Federal Republic of Yugoslavia on January 8, 1977 [1] and applied to all citizens born before then and alive at the time. All six republics passed a law on the Unique Master Citizen Number. Although the Republic of Croatia continued to use the JMBG after gaining independence [2] in 2002 the official name ...

  5. National identification number - Wikipedia

    en.wikipedia.org/wiki/National_identification_number

    The identification number has 8-digit standard format: NNNNNNN (N), where N is a numeric digit 0–9. The first numeric digit N has special meaning, and it can be one of the following digits: '1', '5' or '7'. '1': The first-time date of issuance of ID card to the bearer was 1992 or later.

  6. Unique Transaction Identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_Transaction_Identifier

    A Unique Transaction Identifier ( UTI ), alternatively called Unique Swap Identifier (Acronym: USI) is a globally unique identifier for individual transactions in financial markets. USIs were introduced in late 2012 in the U.S. in the context of Dodd–Frank regulation, where reporting of transactions to Trade Repositories first became mandatory.

  7. Category:Unique identifiers - Wikipedia

    en.wikipedia.org/wiki/Category:Unique_identifiers

    Unique identifiers. Wikimedia Commons has media related to Universal identifiers. Universal identifiers represent various schemes used to uniquely reference people, companies, and other things across domains, systems and organizations. They are used mostly in computer systems and databases, and provide a way to find objects whose names may change.

  8. Social Security number - Wikipedia

    en.wikipedia.org/wiki/Social_Security_number

    In the United States, a Social Security number ( SSN) is a nine-digit number issued to U.S. citizens, permanent residents, and temporary (working) residents under section 205 (c) (2) of the Social Security Act, codified as 42 U.S.C. § 405 (c) (2). The number is issued to an individual by the Social Security Administration, an independent ...

  9. Unique Population Registry Code - Wikipedia

    en.wikipedia.org/wiki/Unique_Population_Registry...

    Unique Population Registry Code. The Clave Única de Registro de Población (translated into English as Unique Population Registry Code or else as Personal ID Code Number) (abbreviated CURP) is a unique identity code for both citizens and residents of Mexico. Each CURP code is a unique alphanumeric 18- character string intended to prevent ...