Synthetic speech is only trustworthy if you can check where it came from. A plain-language explainer of the C2PA manifest and the claim ledger behind every Rega render.
The question every clip now gets asked
“Is this real?” used to be a question about photographs. Synthetic speech made it a question about every recording. Our answer is not a promise — it is a file format: every render Rega produces carries a C2PA manifest that records what made the audio and when.
What the manifest holds
The manifest binds the render to a claim — the Rega claim URI, the voice, the engine, and a cryptographic hash of the file itself. If someone edits the audio, the hash stops matching and the manifest tells you so. Verification needs no account and no trust in us.
The ledger behind it
Manifests can be stripped. That is why every render also writes an entry to a claim ledger, so the fact that a render happened and who held the credits is recorded even if a copy travels without its manifest.
Why default-on matters
Provenance as an option means provenance on nothing — the renders people most want to fake would be the ones rendered without it. Sealing every output, on every plan, is the only version of the feature that means anything.
Start with a script. Leave with a sealed file.
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