Glossary · Proof and provenance

Manifest tampering

Editing a change log or metadata record after the fact. Hash-chained records make it detectable: the edit no longer matches the digest that was sealed at the time.

Proof and provenance

Showing a record existed at a date without asking anyone to trust us.

OpenTimestamps · anchoring · Content hash · C2PA · CAWG training and data mining assertion · content-addressed storage

← Content hash  ·  C2PA →

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