Identifier (M, 1)

datacite:identifier

The identifier is a unique string that identifies a resource.

Property identifier (M, 1)

Allowed values, other constraints:

• Format should be “10.1234/foo” (in the case of DOIs).

Attribute identifierType (M, 1)

The type of the identifier.

Controlled list values (DataCite):

• DOI - Digital Object Identifier (resolvable via http://dx.doi.org/)

Controlled list values (OpenAIRE):

• ARK - Archival Resource Key (resolvable via http://n2t.net/)
• DOI - Digital Object Identifier (resolvable via http://dx.doi.org/)
• Handle - (resolvable via http://hdl.handle.net/)
• PURL - Persistent URL (resolvable via http://purl.org/)
• URN - Uniform Resource Name (resolvable via http://nbn-resolving.org/)
• URL - Uniform Resource Locator

Examples

<identifier identifierType="DOI">10.5281/zenodo.44383</identifier>

Context

Do Not Confuse With

• Related Identifier (MA, 0-n) (Use relatedIdentifier for to indicate related resources, as e.g. cited or citing resources.)
• Alternative Identifier (R, 0-n) (Use alternateIdentifier for secondary or local identifiers of the same resource, and also for landing pages and download pages.)

DataCite v4.3 Differentiation

• Unlike DataCite, OpenAIRE allows for DOIs and other types of identifiers also.

OpenAIRE Data Guidelines v2 Differentiation