OIDs provide a persistent identification of objects based on a hierarchical structure of Registration Authorities (RA), where each parent has an object identifier and allocates object identifiers to child nodes.

Prefix
oid
Links
Homepage
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in OID Repository should match this regular expression:
^[\d.]+$

Example Local Unique Identifier
2.16.840   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from OID Repository should match this regular expression:
^oid:[\d.]+$

Example CURIE
oid:2.16.840
Metaregistry

The metaregistry provides mappings between the Bioregistry and other registries. There are 2 mappings to external registries for oid.

Registry Name Metaprefix External Prefix
Identifiers.org miriam oid
Name-to-Thing n2t oid
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE oid:2.16.840 is used to demonstrate the provides available for oid. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
OID Repository oid http://www.oid-info.com/cgi-bin/display?oid=2.16.840&submit=Display&action=display
Bioregistry bioregistry https://bioregistry.io/oid:2.16.840
Identifiers.org miriam https://identifiers.org/oid:2.16.840
Name-to-Thing n2t https://n2t.net/oid:2.16.840