https://contentcredentials.org/
Content Credentials | Verify Media Authenticity
Content Credentials provides media transparency with advanced authenticity detection tools.
content credentialsverifymediaauthenticity
https://verify.contentauthenticity.org/
Content Credentials
Introducing the new standard for content authentication. Content Credentials provide deeper transparency into how content was created or edited.
content credentials
https://spec.c2pa.org/specifications/specifications/2.3/specs/C2PA_Specification.html
Content Credentials : C2PA Technical Specification :: C2PA Specifications
content credentialstechnical specificationc2paspecifications