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Encypher Mark · EU AI Act Article 50

Mark your AI content. Prove it anywhere, for free.

For AI product and engineering teams: paste AI-generated text and embed invisible, sentence-level C2PA provenance in one click. The marking survives copy and paste, and anyone can verify it for free. Article 50 marking applies from August 2, 2026.

$0

To start, no API key

1

Click to embed C2PA provenance

Aug 2, 2026

EU AI Act Article 50 applies

No setup, no API key, no sales call. Free to start.

Try it live

Mark it. Verify it. Done.

Mark your AI output below, then verify the result live. This is exactly what your account does.

More demos: try it yourself, no accountfor publishersper-sentence signing liveprivate team walkthroughAuthorized Supply (Ad Tech)

Interactive demoPaste AI output, mark it, verify it. No account, no API key.

Mark your AI output

Paste AI text, mark it, verify it live

Check your sources

Check any single source now

Paste a source your model consumed and detect whether it carries verifiable provenance. Single-source checks are live today; pipeline-scale ingestion auditing is a partner program. Talk to us.

Interactive demoPaste a source, check its provenance. No account, no API key.

1 · Ingest a source

Paste or upload content your AI consumed

The verifiable chain

One chain, verifiable by anyone

  1. 1

    Mark

    Invisible, sentence-level C2PA provenance is embedded in your AI output at generation.

  2. 2

    Certificate

    Each marked asset carries a per-content proof and a public verify link.

  3. 3

    Verify

    Anyone can confirm it for free, anywhere, with no account and no API key.

Pricing

Start free. Upgrade when you scale.

Everything self-serve. No sales call until you want one.

Free

$0

  • 1,000 marked AI-output assets / month
  • 5 compliance certificates / month
  • Free public verification
Start free

Starter

$99/mo

  • Unlimited Article 50 compliance certificates
  • One-click Article 50 report
  • 10,000 marked assets / month
See plans

Why Mark

Why teams use Encypher Mark

Mark your outputs

Embed invisible, sentence-level C2PA provenance at generation. Disclosure that survives copy-paste, built for EU AI Act Article 50.

Independent verification

Anyone can verify for free, no SDK, no lock-in. Third-party proof, not a self-attestation.

Check your sources

Paste any single training, RAG, or fine-tuning source and detect whether it carries verifiable provenance. Pipeline-scale ingestion auditing runs as a partner program.