From CRKN:
The PID Matrix is a tool that can help you to choose the right PID for the right problem. In particular, it compares gold standard open and public options (like ORCID and DOIs) to proprietary options
More about the National PID Strategy to support research infrastructure:
https://www.crkn-rcdr.ca/en/national-pid-strategy#pid
Contact the Library with your questions about DOIs, ORCID, or other persistent identifiers.