post pub. Aug 11, 2026
Anthropic's help center article on its commitments under the EU AI Act's Article 50(2) Code of Practice: Claude models launched after August 2, 2026 will embed imperceptible watermarks in generated text and attach C2PA-signed provenance metadata to generated files, with detection tools to follow. Notes key limitations — a detected mark doesn't confirm full provenance, and a missing mark doesn't mean content wasn't AI-generated.