Check a file
Up to 25 MB. The first 10 seconds are scanned for the watermark.
How it works
- Signed label. Every file we deliver has a metadata comment reading “AI-generated by Audexum” plus an Ed25519 signature. Anyone can verify it with our public key at /.well-known/audexum-provenance.json. Metadata is easy to strip, so a missing label proves nothing.
- Signal watermark. An AudioSeal watermark in the sound itself. It survives one MP3 encode well; each further lossy re-encode weakens it.
Full details in our AI disclosure. To report a clip misused as a real recording, use /report.