C2PA is an 'open technical standard providing publishers, creators, and consumers the ability to trace the origin of different types of media" with backers including Adobe, Twitter, Microsoft and the BBC.
"C2PA unifies the efforts of the Adobe-led [[Content Authenticity Initative]] which focuses on systems to provide context and history for digital media, and Project Origin, a Microsoft- and BBC-led initiative that tackles disinformation in the digital news ecosystem.
[[CLink]] is a member.