Public proof verifier

Verify a Proof

Drop one credentialed audio file. We’ll confirm its proof, signer, and exact audio binding — free, with no account. Older audio can still be checked with its .poh sidecar.

Credentialed audioProof travels inside the track

Verified resultOrigin and audio checked

Choose your track

C2PA-enabled PoH WAV exports carry the proof inside. Older exports use the optional .poh sidecar below.

Credentialed audioDrop the exact exported trackC2PA WAV, or legacy audio with a .poh · max 65 MiB

Using an older .poh sidecar?

Legacy proof fileChoose the matching .pohOptional for older PoH exports · max 4 MB

Privacy & file handling

Your audio is uploaded only to check its fingerprint against the proof. It lands in a short-lived store that clears automatically — it isn’t reused or added to anything.