# Universally Unique Identifier

> 128-bit number used to identify information in computer systems

**Wikidata**: [Q195284](https://www.wikidata.org/wiki/Q195284)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Universally_unique_identifier)  
**Source**: https://4ort.xyz/entity/universally-unique-identifier


## References

1. Freebase Data Dumps. 2013
2. RFC 9562: Universally Unique IDentifiers (UUIDs)
3. [2003](https://www.w3.org/wiki/UriSchemes/uuid)
4. [The uuid: URI scheme. 1997](https://tools.ietf.org/html/draft-kindel-uuid-uri-00)