Citation and claim verification

Check a paper's citations and claims before you cite it.

Registry record, retractions, recomputed statistics, and whether the sources it cites actually say what it claims — each finding tied to a quote from the paper.

A few free checks a day · papers already verified open instantly · results are public

Recently checked papers

Most cited papers

Go further with a free account

Verify every reference, keep papers in a library, and ask questions across them.

Sign up - it is free