# Verify File Attestation Certificate

> Upload a file and its attestation certificate, then cryptographically verify that the certificate is authentic and the file has not been tampered with. Uses post-quantum ML-DSA-65 signature verification. Perfect for confirming software release integrity, validating compliance evidence, or verifying any file that was previously attested.

Content type: workflow
Source URL: https://www.agentpmt.com/agent-workflow-skills/verify-file-attestation-certificate--69caaa5bb6083145c00be342
Markdown URL: https://www.agentpmt.com/api/agent/workflows/verify-file-attestation-certificate--69caaa5bb6083145c00be342?format=agent-md
Updated: 2026-03-30T16:53:26.024Z
Author: firef1ie

---

Estimated time saved: 10 minutes.

## Tools

- Quantum-Safe File Attestation

## Workflow Outline

1. Upload the Original File: Goal: Ask the user for the original file they want to verify. Upload it using the File Management tool. | Inputs: The user provides the file they want to verify — a software release, document, archive, or any artifact t...
2. Upload the Attestation Certificate: Goal: Ask the user for the attestation certificate JSON file. Upload it using the File Management tool. | Inputs: The user provides the attestation certificate JSON file they received from the attestation issuer. | Outp...
3. Verify Attestation: Call verify_attestation with the file_id from the original file upload and the attestation_file_id from the certificate upload. Report the result clearly: if accept is true, the f...
4. Deliver Verification Result: Goal: Present the verification result to the user in clear, non-technical language. | Inputs: The verification report from the attestation tool including accept, failed_checks, manifest_sha256, and signer_public_key_hex...