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About

The tool to identify and combat mis- and disinformation.

Polygraph checks a post claim by claim and shows how it is told. It is for readers, reporters, newsrooms and advocates.

Who makes it

Pluribus Labs.

Polygraph is built and published by Pluribus Labs. Pluribus is the author of every published check on this site.

Checks are produced by software and published by an editor. Nothing becomes public without an editorial decision.

Who funds it

[owner to confirm funding line]

People who use Polygraph pay for the checks they run. Published checks are free to read.

What it will not do

It does not judge people.

A verdict describes a claim. Polygraph does not rate people, parties or outlets as honest or dishonest.

It does not decide a verdict from how a post is told. Reads set priority. Sources set verdicts.

Standards

The method is on the methodology page. Errors are handled on the corrections page.

Contact