Your bylined authors carry ORCID identifiers so AI never confuses them with other researchers
Do your authors' Person entries include the ORCID iD that uniquely identifies them globally?
What this signal tests
We check whether each bylined author on your site, exposed as a Person in JSON-LD, has an ORCID URL in their sameAs array. ORCID is the global standard identifier for researchers and scholarly authors, formatted as 0000-0002-1825-0097. It uniquely distinguishes one 'Maria Garcia' from every other 'Maria Garcia' publishing in the world.
Why it matters for your visibility in AI
Author names collide constantly. There are hundreds of 'David Chen's publishing research papers; without a unique identifier, AI systems cannot tell which one wrote which paper. ORCID solves this by assigning a single global iD per person, accepted by every major journal, funder, and indexer. This matters most for medical, scientific, legal, and journalistic content where author authority materially affects whether AI cites you. If a user asks Claude "what does Dr. Smith from your site say about migraine treatment?", and Dr. Smith's Person entry includes their ORCID, Claude can pull the right author's publication history and confidently surface their position. Without ORCID, the assistant may attribute the article to a different Dr. Smith or refuse to make any author-specific claim at all.
Pass criteria at a glance
| Criterion | Passes when |
|---|---|
| Each bylined author Person has a valid ORCID. |
How we test it
We scan your site for Person entities (typically in Article author fields or as standalone Person JSON-LD on bio pages). For each Person, we inspect the sameAs array for URLs matching the ORCID pattern: https://orcid.org/ followed by four groups of four digits separated by dashes (the last group may end in X). We then validate the iD's check digit using the ISO 7064 MOD 11-2 algorithm. If any bylined author lacks a valid ORCID, the signal fails or partially passes.
Show technical detection method
Match sameAs ^https?://orcid\.org/\d{4}-\d{4}-\d{4}-\d{3}[\dX]$; validate checksum.
If your site fails: how to fix it
- Have each of your bylined authors register a free ORCID iD at orcid.org if they do not already have one; it takes about three minutes per person.
- Authors should populate their ORCID profile with employment, education, and recent publications to build credibility.
- In your CMS or article template, add an ORCID URL field to each author profile.
- Update your Person JSON-LD (in author byline schemas and standalone bio pages) so the sameAs array includes the full ORCID URL: https://orcid.org/0000-0002-1825-0097.
- Validate that the ORCID URL resolves to a public profile (not a private one) before deploying.
- Re-run the scan to confirm every bylined author has a valid ORCID.
Quick facts
| Maturity | ESTABLISHED |
|---|---|
| Weight | medium |
| Category | Entity |
Primary sources
Related signals
Frequently asked questions
Does this matter if I am not a researcher?
It matters most for academic, medical, scientific, and legal content where AI weighs author authority heavily. For lifestyle or marketing content, ORCID is less critical but still helpful for any author with a public scholarly history. Journalists at major outlets increasingly carry ORCIDs too.
Can I add this myself or do I need help?
Each author registers their own ORCID at orcid.org, which takes a few minutes and requires only an email. After that, a developer or CMS administrator can add the URL to your author schema. No specialist help needed.
Is ORCID free?
Yes, ORCID for individual researchers is free forever. Organizations can pay for member services that integrate ORCID into their systems, but no individual needs to pay anything to get and use an iD.
What if my author is a pen name or anonymous?
ORCID supports pseudonymous identities, since the iD is tied to a person, not a legal name. For genuinely anonymous content, this signal does not apply and you can use a generic author Person without an ORCID.
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