Wikipedia
Utid
UTID (Universally Traceable Identifier) is a unique identifier for a physical thing or a virtual thing in the world, which consists of three components with the following syntax:
Id~catalog$dns
It is a character-based identifier, where dns is a domain name of organization who named the thing, catalog is used by the organization to classify the thing, and id is unique in the scope of dns and catalog. Examples are 125.product~db$com1.test, ~db$com1.test, 125.product~$com1.test, and ~$com1.test.