Archival Resource Key (ARK) Persistent Identifiers Come of Age: 21 Years, 1000 Institutions
The Archival Resource Key (ARK) is a persistent identifier supported by the California Digital Library and designed for any kind of information object, whether digital, physical, or conceptual. The number of ARK organizations has almost doubled since 2020. This follow-up briefing introduces ARKs as applied to archived scholarship, scientific samples, vocabulary terms, and biomedical information.