New proof
Open, verifiable proof — built for the EU AI Act era
Prove anything existed — and hasn't changed since. Free.
Pick what you're anchoring, or drop a file. It's fingerprinted in your browser — nothing leaves your device — and you get a receipt anyone can verify.
Running an AI product? Free Article 50 readiness scan Check if your AI can prove what the EU AI Act requires — before 2 August. No signup. Open the scanner →More ways to anchor
Open protocol · open-source verifier · Foundation-stewarded · verify without trusting us.
Drop a file to anchor it
…or click to browse · fingerprinted locally, nothing uploads
Create and verify — free, no signup. Only the 64-char fingerprint is ever anchored — never your file.