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Requesting a DOI or Other Persistent Identifier

University Libraries Services for DOIs, ARKs, and other information about persistent identifiers

What is a Persistent Identifier (PID)?

Persistent Unique Identifiers (PIDs) are globally unique, persistent, machine-resolvable digital identifiers with an associated metadata schema.

How to Use PIDs: They link researchers and research outputs to their underlying data and associated metadata

Persistent Identifiers covered in this guide:

  • Digital Object Identifier (DOI)
  • ISBN
  • ISSN

Special thanks to Jesse Long (, Jennifer Muilenburg (, and Anna Neatrour ( for permission to use text from their Libguides on persistent identifiers.