MSA signed with
cryptographic proof.
A $2M/year Master Services Agreement. Asha's passkey is bound to the exact contract text. The receipt verifies offline - no server, no Manav, forever.
- Passkey is bound to
sha256(canonical_json(contract))- tampering invalidates it. - The receipt is Ed25519-signed - verifiable offline forever, even if Manav no longer exists.
- No webcam, no keystrokes - biometric stays on device.
Acme AI Labs ↔ GreenLeaf Designs LLC
| Annual value | $2,000,000 / yr |
| Effective | 2026-06-01 |
| Counterparty signed | 2026-05-19 · GreenLeaf |
| Pending signature | Asha Raman - VP Operations |
| Document fingerprint | sha256:144c172ffba3398c… |
Signing binds sha256(canonical_json(contract)) to Asha's passkey.
Any edit to the contract text invalidates this signature.
Contract signed - human-attested
Asha Raman ·
| Signer | Asha Raman (@asha) · Acme AI Labs |
| Document hash | |
| Payload hash | |
| Signed at | |
| Status | verified |
This is the exact JSON string that was Ed25519-signed by manav.id.
It contains the document hash, proof ID, and timestamp - enough for anyone to verify the signature without contacting Manav.
Ed25519 Signature
Verification key (JWKS): manav.id/sign/jwks/
Click the button - the browser verifies the Ed25519 signature using the public key embedded below. Disconnect WiFi first if you want to prove it truly needs no server.
-
✓
Document binding - the signature covers
sha256(canonical_json(contract)). Any change to the contract text breaks verification. - ✓ Offline forever - the Ed25519 public key is the only thing needed. Archive it with the signed document.
-
✓
Manav-independent - stop the server, disconnect the internet, come back in 10 years:
verify()still returnstrue.