Every receipt below was signed under a dedicated demo keypair (not the production key). Click Verify on any one and your browser checks the Ed25519 signature against the public key embedded in the receipt itself. No call to any Aqta server. No JavaScript loaded from us beyond this page. The trust path is yours alone.
Loading demo receipts…
Production receipts are signed under the key published at app.aqta.ai/security/pubkey.txt. The full ATTESTATION-v1 specification, two reference verifier libraries, and conformance test vectors are public on github.com/Aqta-ai/attestation-spec. For the cryptography walkthrough see the technical post.