Sign your content for free.
Get paid when AI uses it.
For publishers: invisible, sentence-level C2PA provenance embedded in your articles, images, audio, and video, so your rights travel inside the content itself. Signing is free, you keep 100% of your direct licensing revenue, and the companies that license and verify your content pay the fee.
More demos: try it yourself, no accountfor AI teamsper-sentence signing liveprivate team walkthrough
Sign an article. Verify the proof.
Paste an article → sign it free → verify the embedded provenance.
Paste your content
Sample article pre-filled. Edit it or paste your own.
Free to try
Paste your text and go. No account, no setup.
Invisible to readers
The mark is hidden inside the text. Anyone reading it sees exactly what you wrote, nothing different.
Anyone can check it
It uses an open standard Encypher helped create, so anyone can confirm where the text came from.
Verify it anywhere it travels.
Provenance is verifiable on any page: competitor sites, aggregators, social platforms, even AI-generated text. Not statistical guessing: cryptographic proof that this specific content came from you. Anyone can check it for free.
Install Chrome ExtensionWhy publishers sign with Encypher
Free to sign, 100% yours
Signing your website, archive, and all new content is free on the publisher signing tier. When you license directly you keep every dollar. Buyers pay the verification fee, not you.
Proof that travels
Invisible, sentence-level C2PA provenance is embedded in the content itself, so it survives copy-paste, syndication, and scraping. Your rights terms travel with it, and anyone can verify them, anywhere, for free.
Standards-backed
Encypher authored C2PA Section A.7 and co-chairs the C2PA Text Provenance Task Force (with Google, BBC, OpenAI, Adobe, Microsoft); the text standard published January 8, 2026. Aligned with RSL (Reddit, Yahoo, Medium, BuzzFeed, Vox Media + 1,500+ publishers), the 4A's Guide to Content Provenance (600+ ad agencies), and the CAI's 6,000+ member organizations.
Start free. Keep the upside.
Turn your website and archive into verified inventory today, and walk into AI licensing talks with cryptographic evidence tomorrow. EU AI Act content-disclosure obligations start August 2, 2026. Be ready with proof that travels.