CASRAI Dictionary

Tag: orcid database

  • ORCID vs ResearcherID vs Scopus Author ID: Comparing Researcher Identifier Systems

    ORCID is the open, non-proprietary researcher ID that has become the interoperable standard for author disambiguation, in contrast to Scopus Author ID (auto-generated inside Elsevier’s Scopus database) and the now-retired ResearcherID (Clarivate’s Web of Science identifier, folded into Web of Science Researcher Profiles). All three solve the same problem — telling researchers with similar names apart — but only ORCID is designed to travel with a person across publishers, funders, and institutions.

    ORCID (Open Researcher and Contributor ID) is a free, persistent 16-digit identifier that a researcher registers and controls independently of any single database, publisher, or employer.

    What Is ORCID, and Why Did It Become the Interoperable Standard?

    ORCID Inc. is a US-based non-profit that opened its registry in October 2012, governed by a multi-stakeholder board drawn from publishers, funders, and universities rather than by a single commercial owner. That governance structure is the core reason ORCID displaced proprietary alternatives as the default researcher identifier.

    Each ORCID iD uses a checksum built on ISO/IEC 7064:2003 (MOD 11-2), the same check-digit family used by ISNI under ISO 27729, which is why ORCID iDs validate cleanly across systems that also recognise ISNI records. That technical interoperability, not just the free registration, is what lets an ORCID iD move between a journal submission form, a grant portal, and a university CRIS without manual re-entry.

    • Persistent and portable across employers, name changes, and career stage.
    • Free for the individual to register, claim, and control.
    • Interoperable via Crossref auto-update, DataCite metadata, and institutional CRIS/RIM systems.
    • Increasingly mandated by funders, including the Wellcome Trust and the NIHR, which require an ORCID iD in grant applications.
    • Openly governed under a non-profit board, unlike vendor-owned author IDs.

    UK research policy is accelerating this shift further: UKRI guidance has flagged ORCID iDs as an expected requirement for output submissions under the REF cycle following REF 2021, and university library services report that more than 1,500 journals already require an ORCID iD at submission.

    How Does ResearcherID Compare, and Why Was It Retired?

    ResearcherID was introduced in 2008 by Thomson Reuters (later Clarivate) as an identifier tied specifically to the Web of Science citation database. A researcher registered for a ResearcherID number, formatted like A-1234-2008, and it pulled in their Web of Science-indexed publications and citation counts.

    In 2019, Clarivate integrated ResearcherID with Publons, its peer-review recognition platform. Clarivate subsequently retired ResearcherID as a standalone, self-service brand, migrating existing profiles into Web of Science Researcher Profiles, which now performs the identification and citation-tracking role ResearcherID used to handle. Old ResearcherID numbers still resolve and still appear embedded in legacy CVs, grant records, and citation reports, but new researchers no longer register for one directly.

    ResearcherID publications can still be exported into an ORCID record through the Web of Science profile’s data-exchange tool, which is the main reason the identifier remains relevant: as a feed into ORCID, not as a destination in its own right.

    What Is Scopus Author ID, and How Does It Differ from ORCID?

    Scopus Author ID is not something a researcher creates. Elsevier’s Scopus database automatically assigns a numeric author ID, formatted like 7404933229, once an author has publications indexed in the database, then groups their output under that profile using a name-matching algorithm.

    Because the ID is algorithm-generated, it is prone to the exact ambiguity problem ORCID was built to solve: name variants, institutional affiliation changes, and common surnames routinely cause split profiles (one researcher assigned two IDs) or merged profiles (two researchers sharing one ID). Elsevier provides a Scopus Author Feedback Wizard so researchers can request corrections, splits, and merges, but the identifier itself remains proprietary to Scopus and does not port to other databases.

    Linking a Scopus Author ID to an ORCID iD synchronises publication data and improves visibility across platforms, but the underlying Scopus number only ever functions inside the Elsevier ecosystem — Scopus, SciVal, and Mendeley.

    ORCID vs ResearcherID vs Scopus Author ID at a Glance

    The table below summarises where each identifier sits on governance, creation, and current status.

    Feature ORCID ResearcherID Scopus Author ID
    Governed by ORCID Inc., non-profit, multi-stakeholder board Clarivate (formerly Thomson Reuters) Elsevier
    Launched 2012 2008 2004, alongside Scopus
    Created by Researcher self-registers Formerly self-registered; now via Web of Science Researcher Profiles Auto-generated by Elsevier’s algorithm
    Scope Cross-publisher, cross-database, all output types Web of Science-indexed publications only Scopus-indexed publications only
    Current status Active, growing, widely mandated by funders Retired as a standalone system; merged into Web of Science Researcher Profiles Active, but proprietary and non-portable

    Where Do Legacy Identifiers Still Surface — and What Should Institutions Do?

    Legacy ResearcherID numbers still turn up in older CVs, funder records, and Web of Science citation reports, so institutional research offices reconciling historical publication data need to map those numbers rather than assume every record already carries an ORCID iD. Scopus Author ID persists for a similar reason: Elsevier’s internal analytics tools, including SciVal, still key on it, so institutions benchmarking research output through Scopus must keep Scopus profiles clean even after adopting ORCID as the primary identifier.

    The practical fix in both cases is the same: use ORCID’s “Search & Link” wizard to pull ResearcherID and Scopus publication records into a single ORCID iD, rather than maintaining three separate identities. This is also where ORCID intersects with contributor-role standards — an ORCID iD tells a system who a researcher is, while CRediT contributor roles record what that researcher actually did on a given output, and the two are increasingly captured together in submission workflows. Research administration teams responsible for institutional CRIS and RIM systems typically own this reconciliation work; see CASRAI’s broader research administration resources for how identifier data feeds compliance and reporting.

    Frequently Asked Questions

    Is ORCID a Researcher ID?

    Yes. ORCID is a researcher identifier — specifically, a free, persistent 16-digit ID that a researcher registers and controls themselves. It functions as the interoperable, cross-publisher alternative to database-specific IDs like Scopus Author ID or the retired ResearcherID.

    Is ResearcherID the Same as ORCID?

    No. ResearcherID was Clarivate’s identifier tied to the Web of Science database, now retired and merged into Web of Science Researcher Profiles. ORCID is an independent, non-profit-governed identifier that works across every publisher and database, including Web of Science and Scopus.

    How Do I Get My Researcher ID?

    Register free at orcid.org in under a minute to obtain an ORCID iD — the researcher ID now expected by most funders and journals. A Scopus Author ID is instead auto-assigned once Elsevier indexes your work, and legacy ResearcherID profiles are accessed via Web of Science Researcher Profiles.

    What Is a ResearcherID?

    A ResearcherID was a Clarivate-issued number linking a researcher to their Web of Science-indexed publications and citation counts. Introduced in 2008 and merged with Publons in 2019, it was later retired as a standalone system in favour of Web of Science Researcher Profiles.

    The Outlook for Researcher Identifiers

    The direction of travel is now well established: ORCID functions as the connective spine identifier, while database-specific IDs like Scopus Author ID and the retired ResearcherID feed publication data into it rather than compete with it. DataCite’s metadata schema recommends attaching ORCID iDs to dataset creators, extending the identifier’s reach beyond journal articles into data and software outputs. As funders and REF-cycle policy continue tightening ORCID expectations, institutions gain more by consolidating identifiers into one interoperable ORCID record than by maintaining three separate, database-locked profiles.

  • ORCID Statistics 2026: Adoption, Coverage Gaps

    ORCID’s own registry statistics show 10.5 million active users and over 1,500 organisational members across 69 countries at the end of 2025, up from 14.7 million total live accounts recorded in August 2022 — a shift in reporting method, not a decline. The remaining gap sits in disciplinary coverage (arts and humanities workflows only gained dedicated support in 2025) and in the difference between countries with paying member organisations and the much larger set of countries where individual researchers self-register for free.

    ORCID is a nonproprietary, persistent digital identifier — a 16-digit alphanumeric code — that lets a researcher disambiguate their scholarly identity and link it, via their own registry record, to affiliations, grants, peer review activity and publications. CASRAI originated the CRediT contributor role taxonomy in 2014, a complementary standard now stewarded by NISO as ANSI/NISO Z39.104-2022; ORCID and CRediT are frequently implemented together in manuscript and grant systems but are governed by separate organisations.

    What do ORCID’s 2026 registry statistics show?

    ORCID’s most recent published figures come from its 2025 Year in Review, released on 18 December 2025: 10.5 million active users worldwide and more than 1,500 organisational members spread across 69 countries. The same review reports 125 new organisations joining in 2025 and two new consortia launched in Africa, alongside a 60% increase in the number of member organisations actively pushing data — affiliations, grants, peer review credits — into researcher records during the 2022–2025 strategic period.

    At the time of writing, ORCID’s own live statistics dashboard carries a data-lag notice, stating that figures are current only through 14 May. That is a useful reminder for anyone citing “ORCID statistics”: the real-time counter is not authoritative for a current snapshot, and analysts should cross-check it against ORCID’s periodic Annual Report and Year in Review publications rather than quoting the live number in isolation.

    Regionally, the largest documented national implementation remains the ORCID US Community, coordinated by Lyrasis. Its December 2025 statistics report that member organisations had collectively added 2,296,427 works to ORCID records — a single-country figure that illustrates how much of the registry’s content growth is now driven by institutional auto-update pipelines rather than manual entry by individual researchers.

    How has ORCID adoption grown since the registry launched?

    ORCID launched its registry service on 16 October 2012. Growth since then has followed a clear step pattern of publicly announced milestones rather than a smooth curve, reflecting periods when major publishers and funders made ORCID mandatory in submission workflows.

    Milestone Date Reported figure Source
    Registry launches 16 Oct 2012 Registry opens for iD creation ORCID
    One-millionth iD 15 Nov 2014 1,000,000 registrations ORCID announcement
    Ten-millionth iD 20 Nov 2020 10,000,000 registrations ORCID announcement
    Live-account snapshot 2 Aug 2022 14,727,479 live accounts ORCID Statistics
    Active-user snapshot 31 Dec 2025 10.5 million active users; 1,500+ members in 69 countries ORCID 2025 Year in Review

    The apparent drop between the 2022 and 2025 rows is not a decline in registrations. ORCID changed the metric it leads with: “live accounts” counts every account ever created and not since deactivated, while “active users” measures researchers who have logged in, updated a record, or had a record updated for them within the review period. Cumulative registrations have continued to climb every year since 2012; the active-user figure is a narrower, arguably more meaningful, engagement measure.

    Where are the coverage gaps by discipline and region?

    Two structural gaps stand out in ORCID’s own reporting, and neither shows up if you only quote the headline registration count.

    • Organisational versus individual coverage: ORCID reports 69 countries with formal, fee-paying member organisations, but individual researchers anywhere in the world can create a free iD without any institutional membership. The 69-country figure measures institutional buy-in, not global reach — conflating the two overstates how embedded ORCID is in some regions’ formal research infrastructure.
    • Disciplinary coverage: ORCID’s 2025 Year in Review confirms the platform only introduced a dedicated work-types taxonomy for arts and humanities scholars in 2025, thirteen years after launch. Earlier record structures were built around STEM and biomedical publication patterns (journal articles, datasets, grants), which historically under-served disciplines whose outputs include exhibitions, compositions, translations and other non-journal formats.

    ORCID’s 2025 expansion into two new African consortia is a direct, attributed signal that the organisation itself identifies regional under-representation as a strategic gap to close, rather than a solved problem. Institutions auditing their own ORCID uptake should treat “percentage of active researchers with a linked iD” and “percentage of records receiving auto-updates” as two separate KPIs — the first measures registration, the second measures whether the identifier is actually doing useful work.

    Frequently asked questions about ORCID statistics

    What does ORCID stand for?

    ORCID stands for Open Researcher and Contributor ID. It is both the name of the identifier — a free, 16-digit code — and the non-profit organisation, ORCID Inc., that maintains the registry. The system was created to resolve author name ambiguity across scholarly publishing.

    Should researchers put their ORCID iD on a CV?

    Yes. Adding an ORCID iD to a CV, grant application or publication list gives reviewers a single, disambiguated link to a researcher’s full record of affiliations, grants and publications, reducing the manual effort of re-entering the same information across different funder and publisher systems.

    Can I look up someone else’s ORCID iD?

    Yes, provided the record owner has set the relevant fields to public visibility. ORCID’s public API and website allow anyone to search the registry by name or affiliation; member-API credentials are only required for programmatic, higher-volume lookups, not for a single manual search.

    Is ORCID the same as LinkedIn?

    No. ORCID is a non-profit, standards-based persistent identifier registry focused on disambiguating scholarly contributions, not a commercial social network. LinkedIn is a for-profit professional networking platform; the two serve different purposes and are not interoperable identifier systems.

    What the data means for institutions, publishers and funders

    The 2025 figures make one thing explicit: raw registration totals are no longer the most useful adoption metric. Institutions and publishers assessing their own ORCID maturity should look at ORCID’s member auto-update volume — the 60% rise in member organisations pushing data into records over 2022–2025 — as the leading indicator, because it reflects integration depth rather than a one-off sign-up.

    For research administrators and funders, the practical implication is to require ORCID iDs at the point of grant submission or manuscript intake and then connect institutional systems to ORCID’s auto-update APIs, rather than treating iD collection as a box-ticking exercise. ORCID’s own strategic direction supports this: its incoming plan, “ORCID 2030: Empowering the Future of Research,” due to launch in early 2026, is expected to keep prioritising trust, integration depth and global participation over headline registration counts.

    Coverage gaps by discipline and region are narrowing but remain real, and they are best tracked using ORCID’s own Annual Report and Year in Review publications rather than the live statistics counter, which — as of this analysis — was not returning a current total.

  • ORCID Authentication Explained: How Trust Markers Verify Publication Records

    ORCID authentication is the OAuth 2.0-based process that lets a researcher securely connect their ORCID iD to a publisher, funder or repository system and grant that trusted organisation permission to add or update entries on their record. Once authenticated, Crossref and DataCite can auto-update verified publication and dataset records directly, without manual re-entry by the author.

    ORCID is a non-profit organisation that issues a persistent, 16-digit researcher identifier — the ORCID iD, compatible with the ISO 27729 International Standard Name Identifier format — used across publishing, funding and repository systems to distinguish individuals who share similar or identical names. What makes the identifier useful in practice is not just its uniqueness but the authentication layer around it, which determines who is allowed to write to a researcher’s record and how that data is verified once it lands there.

    What Is ORCID Authentication?

    ORCID authentication is built on the industry-standard OAuth 2.0 protocol. ORCID’s own API documentation defines three distinct flows, each suited to a different integration pattern rather than one generic “login with ORCID” button.

    3-legged OAuth is the standard route for systems — manuscript-submission platforms, repository software, grant-management tools — that need standing permission to update a record over time. Implicit OAuth is a lighter, browser-only flow for sites that only need to confirm identity without write access. OpenID Connect sits on top of OAuth to supply a signed identity token that proves a user authenticated with ORCID at a specific moment.

    The practical difference between these flows is permission scope and token lifespan, and it directly affects how much a connected system can do with a researcher’s record:

    OAuth flow Permission level Token lifespan Typical use case
    3-legged OAuth Read and update (long-lived) Up to 20 years from issue Manuscript systems, repositories needing ongoing update rights
    Implicit OAuth Read-only, short-lived 10 minutes Browser-based sign-in widgets with no server backend
    OpenID Connect Identity verification layer over OAuth Session-based signed ID token Single sign-on / point-in-time identity confirmation

    ORCID’s API Tutorial documentation confirms that 3-legged OAuth access tokens are long-lived by default and expire 20 years after issue, while implicit-flow tokens are deliberately restricted to a 10-minute lifespan for security reasons. This asymmetry is deliberate: long-lived update rights are reserved for organisations that have gone through client registration, while anonymous or read-only integrations get a narrow, short window.

    How Do Crossref and DataCite Auto-Update ORCID Records?

    Auto-update solves a specific problem: researchers should not have to manually retype every publication onto their ORCID record. Crossref, the DOI registration agency most scholarly publishers use for journal articles, book chapters and conference papers, and DataCite, the equivalent registration agency for research data, datasets and software, both integrate directly with the ORCID registry to push metadata onto a record automatically once permission has been granted.

    The mechanism follows a fixed sequence:

    • An author submits a manuscript or dataset and supplies their authenticated ORCID iD — not simply a self-typed number.
    • The publisher or repository includes that ORCID iD in the metadata it deposits with Crossref or DataCite when registering the work’s DOI.
    • The first time a work carrying a researcher’s iD is registered, ORCID sends a one-time notification to that researcher’s ORCID inbox requesting standing permission to auto-update the record.
    • Once granted, Crossref or DataCite pushes that work — and every future work bearing the same iD from that source — directly onto the ORCID profile without further author action.

    This permission only needs to be granted once per source. Researchers can also pre-authorise DataCite proactively through their DataCite profile rather than waiting for the first notification. Either way, the update is initiated by the depositing organisation, not typed by the author — which is the detail that makes auto-updated entries structurally different from self-asserted ones.

    What Are ORCID’s Trust Markers, and Why Do They Matter for Record Integrity?

    Every entry ORCID displays carries a visible source label showing which organisation added it. When Crossref or DataCite pushes a publication or dataset via auto-update, that organisation’s name appears against the entry — a source-attribution signal this article refers to as a trust marker, distinguishing verified, third-party-asserted data from information a researcher typed in themselves.

    This distinction is the entire point of the mechanism. An ORCID record accepts three kinds of input: self-asserted entries a researcher adds manually, entries imported from a connected system with the researcher’s permission, and auto-updated entries pushed directly by a DOI registration agency once a work has been deposited under an authenticated iD. Only the third category carries an independent, verifiable chain of custody back to a registration agency’s own database — which is why it functions as a trust signal rather than a claim.

    ORCID reinforces this integrity model at the account level too. Researchers can enable two-factor authentication on their ORCID account, documented in ORCID’s Help Centre, and can review a “trusted organisations” list showing exactly which third-party applications hold update permissions, revoking any of them at any time. Together, authenticated deposit plus source-labelled display plus revocable permissions is what separates ORCID’s registry from a plain self-reported researcher directory.

    For institutions and publishers, this matters because a trust-marked record is auditable: a research office reconciling grant outputs, or a publisher checking an author’s prior work during peer review, can distinguish a Crossref-verified publication from an unverified claim without contacting the researcher directly.

    Answer-First Questions About ORCID Authentication

    How Do You Authenticate an ORCID iD?

    A user clicks a “Connect your ORCID iD” link on a partner site, is redirected to orcid.org to sign in, and then authorises the requested permission scope. ORCID returns an authorisation code, which the partner’s server exchanges for an access token tied to that specific record and scope.

    What Does ORCID Stand For?

    ORCID stands for Open Researcher and Contributor ID. It refers both to the non-profit organisation that runs the registry and to the persistent 16-digit identifier it issues, which distinguishes individual researchers from others who share similar or identical names across publications, grants and affiliations.

    Is ORCID Legitimate?

    Yes. ORCID is an established non-profit organisation whose registry is used by major publishers, funders, universities and DOI registration agencies including Crossref and DataCite as part of standard scholarly-publishing infrastructure. Its OAuth-based authentication and source-labelled auto-update system are designed specifically to make record data verifiable rather than self-reported.

    Do You Have to Pay for ORCID?

    No. Registering for a personal ORCID iD and using the public API to read or connect a record is free for individual researchers. Fees apply only to organisations that join as ORCID members to access the member API, which is required for write/auto-update permissions on institutional or publisher integrations.

    What This Means for Institutions, Publishers and Researchers

    For research administrators, trust-marked auto-update data is a lower-friction path to accurate outputs reporting as part of routine research administration workflows: reconciling grant deliverables against a Crossref-sourced entry requires less manual verification than reconciling against a self-typed CV line. Publishers integrating ORCID at submission or peer-review stage gain a verified identity check before a manuscript enters the editorial workflow, reducing name-disambiguation errors at the point of intake rather than after publication.

    The same authenticated-identity layer increasingly sits alongside other attribution infrastructure in scholarly publishing. Many journals now pair an authenticated ORCID iD with structured contributor-role tagging — for example CRediT, the taxonomy CASRAI originated in 2014 and which is now stewarded by NISO as ANSI/NISO Z39.104-2022 — so that both who contributed and what they did are captured with the same verification discipline. Reviewing how contributor roles are defined and tagged is a natural next step for any institution formalising its authorship verification standards.

    The direction of travel is toward less manually asserted metadata and more machine-verified provenance: as more publishers and repositories register for member API access, a growing share of any given ORCID record is populated by trust-marked, auto-updated entries rather than self-typed ones — narrowing the gap between what a CV claims and what a registration agency can independently confirm.