An unambiguous reference to the collection description record.
Usage
The contents of this field must be an instance of ltc:Identifier
Existing property
Existing class
Existing property identifier
Format
Text
Required
yes
Repeatable
no
Constraints
Examples
10.5072/example-full
Notes
Recommended practice is to identify the resource by means of a string conforming to an identification system. Examples include International Standard Book Number (ISBN), Digital Object Identifier (DOI), and Uniform Resource Name (URN). Persistent identifiers should be provided as HTTP URIs.
10.5072/example-full