ROR is a global, community-led registry of open persistent identifiers for research organizations

Use the registry

The Research Organization Registry (ROR) includes IDs and metadata for more than 116,000 organizations and counting. Registry data is CC0 and openly available via a search interface, REST API, and data dump. Registry updates are curated through a community process and released at least once a month.

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Join the community

ROR is community-supported open infrastructure driven by organizations and individuals from around the world. Join the community to get involved in advisory groups, give feedback on future directions, and integrate ROR in your systems.

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Learn more about ROR

California Digital Library, Crossref, and DataCite launched ROR in 2019 following extensive community collaborations to develop an open registry of research organization identifiers. ROR is the only organization identifier that is completely open, operated as a community initiative, and widely supported in core scholarly infrastructure.

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News and Updates

ROR in the US Department of Transportation's Research Repository

Peyton Tvrdy of the US National Transportation Library tells us why and how her team did such exemplary work in producing metadata for Rosa P, a national digital repository for open transportation research.

By Peyton Tvrdy and Amanda French

May 8, 2025

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Case Study: How ROR in OA.Report Helps HHMI Monitor Open Access Policy Compliance

In this dual case study, we learn why the Howard Hughes Medical Institute relies on OA.Report and why OA.Report relies on ROR to help HHMI track compliance with its open access policy.

By Amanda French

May 1, 2025

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Using ROR IDs in Place of Funder IDs

Crossref members can now use ROR IDs to identify funders in any place where they currently use Funder IDs in their metadata.

By Patricia Feeney

March 5, 2025

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