MessageProvenance

ai_origin
enum
const:
ai_generated
required

Who wrote the message text

values
ai_generated
manifest_id
Type: stringFormat: uuid
required

Random identifier of the C2PA record, also its manifest label urn:c2pa:<manifest_id>
manifest_url
Type: stringFormat: uri
required

Public address of the C2PA record, served as application/c2pa without authentication