GO uses persistent uniform resource locator (PURLs) for all the objects it describes. If you use or provide links to the following entities, please ensure you are using PURLs. Examples:
- GO terms: https://purl.obolibrary.org/obo/GO_0022008
- GO_REFs: https://purl.obolibrary.org/obo/go/references/0000015
- GO-CAM models: https://model.geneontology.org/65c57c3400001018
- GO ontology (versions)
Technical documentation can be found on the OBOFoundry GitHub site.
Also see the full GO citation policy and license on our website.