Glossary · Proof and provenance

CAWG training and data mining assertion

An assertion from the Creator Assertions Working Group that travels inside a C2PA manifest and states the creator's preference about AI training and data mining for that specific asset. Because it is signed into the file, it survives copying in a way a robots.txt rule cannot. Attaching it requires signing the asset, which almost no publishing pipeline does, so adoption rather than validity is the limit; it also binds only readers who look inside manifests, which crawlers largely do not.

Terms this definition uses

C2PA · robots.txt

Proof and provenance

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

OpenTimestamps · anchoring · Content hash · Manifest tampering · C2PA · content-addressed storage

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