Concept - https://en.wikipedia.org/wiki/Unique_identifier List - https://en.wikipedia.org/wiki/UID#In_computing

Unique ID Systems

UUID

https://en.wikipedia.org/wiki/Universally_unique_identifier

URI

Uniform Resource Identifier - Wikipedia

Object Identifer (OID)

Object identifier - Wikipedia

• Digital object identifier
• Extended Validation Certificate
• International Geo Sample Number
• LSID
• Persistent Object Identifier
• Surrogate key
• Uniform Resource Name
• Universally Unique Identifier
• Object Identifier Repository
• Global OID reference database
• Harald Tveit Alvestrand's Object Identifier Registry