. . . . . . . . "Archival Resource Keys (ARKs) are another widely used persistent identifier, supported by the California \r\nDigital Library, in collaboration with DuraSpace. ARKs work similarly to DOIs, but are more permissive in design." . "ARKs" . "Archival Resource Keys"@en . . . "2020-02-08T18:05:11+01:00"^^ . .