
· adswds team · Security
Claude watermarks + C2PA: two rails for generative ads
Landian News: Anthropic watermarks Claude text/files (C2PA on files). Track statistical text signals and file metadata separately.

Landian News: Anthropic watermarks Claude text/files (C2PA on files). Track statistical text signals and file metadata separately.

Landian News: InvisMark pixel watermarks (plus C2PA) in Paint/Photos AI images can survive crop/screenshot. Treat system-tool creatives as machine-traceable.