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Research tools SciMatic Reference Checker

Free check of your references against Crossref

Paste up to 25 references. Each is looked up in Crossref and OpenAlex: found or not, retracted or corrected, details that differ, DOI resolves. Free.

About SciMatic Reference Checker

Paste up to 25 references, one per line, in any style. Each is looked up in Crossref and OpenAlex. You see whether a matching record exists, whether it was retracted, corrected or carries an expression of concern (Crossref includes Retraction Watch data), whether its title, author and year agree with yours, and whether its DOI resolves. It catches typos, invented references and retracted papers before a reviewer does. Free, no sign-in, and we don't save what you paste.

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