A
licenseNot graded
qualityC
maintenanceEnables fetching a cited source and confirming that a quoted sentence actually appears there verbatim across multiple independent retrieval paths, returning SUPPORTED, CONTRADICTED, or UNVERIFIABLE verdicts along with any numbers in the claim the source doesn't contain. It leaves the judgment of whether the sentence backs the claim to the writer, checking only that the relied-upon text exists where it is said to.
MIT