Coalition for Content Provenance and Authenticity (C2PA) - A related, emerging industry standard.WITNESS and the C2PA Harms and Misuse Assessment ProcessFirst Camera With CAI Content Credentials IntroducedMark the good stuff: Content provenance and the fight against disinformation (BBC)Some criticism and exploration of the the limitations of the C2PA approach:C2PA's Butterfly Effect - Broad context as well as limitations.IEEE, BBC, and C2PA - Includes detailed analysis of a specific case.