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Verify Certificate

Verify Certificate

🎁 Try it Free
3 free credits — no credit card required
~2 seconds

Validate any ProveAudio certificate for free. Upload the certificate JSON file and we verify the Ed25519 digital signature, SHA-256 file hashes, and blockchain timestamp. Confirms the certificate has not been tampered with and the watermark was genuinely issued by ProveAudio. Always free — no credits required.

Try it Free
    Allowed: json (max 5MB each)
    Upload the ProveAudio certificate JSON file you received with your watermarked audio.
      Allowed: ots (max 1MB each)
      Optional. Upload the .ots blockchain timestamp proof for additional verification.
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