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C2PA Specifications - First Public Draft

From: Leonard Rosenthol <lrosenth@adobe.com>
Date: Wed, 1 Sep 2021 13:08:07 +0000
To: "public-credentials (public-credentials@w3.org)" <public-credentials@w3.org>
Message-ID: <MN2PR02MB69929CA19F772077C52BDD60CDCD9@MN2PR02MB6992.namprd02.prod.outlook.com>
I’ve been mentioning the work of the Coalition for Content Provenance and Authenticity (C2PA) for a while now, including our usage of W3C Verifiable Credentials.  I am excited to announce that the first public draft of our specification is available for review and comment.  I would welcome the input from this community on how we have chosen to integrate VC’s into our system.

Thanks for everyone’s guidance – and of course – the technology!

Leonard

C2PA Releases Draft Technical Specifications for Open Comment and Review


SAN FRANCISCO, Calif. — September 1, 2021 — Today, the Coalition for Content Provenance and Authenticity<https://c2pa.org> (C2PA), a Joint Development Foundation project<https://www.jointdevelopment.org> established to scale trust in online content, released its content provenance specifications<https://c2pa.org/public-draft/> – in draft form – for community review and feedback<https://docs.google.com/forms/d/e/1FAIpQLSevOsvZKHIc_4Dljk7IkoW37mcuItUEV3I6hoUZhR2suxRVPg/viewform>. Driven by a commitment to tackle online disinformation, the C2PA’s technical specifications are designed to be an open standard that will allow publishers, creators and consumers to trace the origin and evolution of a piece of media, including images, videos, audio and documents.
“C2PA was established to accelerate progress toward the broad adoption of content provenance standards that will enable a future of verifiable integrity in media,” said Andrew Jenks, C2PA Chair. “The release of this draft is an exciting and important milestone, representing a diverse and collaborative effort across industries to protect people from fabricated and manipulated media and drive transparency in the origin and history of content.”
Combatting online content fraud at scale requires transparency and an accessible and open approach that enables consumers to make informed decisions about what has been modified and what has not. The C2PA was launched in February 2021 with founding members Adobe, Arm, BBC, Intel, Microsoft and Truepic with the goal of developing an end-to-end open technical standard to address the rise of disinformation efforts leveraging tools for media fabrication and manipulations. The effort has expanded, bringing in additional members including Twitter, WITNESS, Akamai and Fastly.

Over the past six months, the C2PA has worked with industry experts and partner organizations, including the Project Origin Alliance and the Content Authenticity Initiative (CAI), to develop a standard for digital provenance that provides platforms with a method to define descriptive metadata, what information is associated with each type of asset, how that information is presented and stored, and how evidence of tampering can be identified. This group of contributors spans a spectrum of industries including social media, news publishing, software technology, semiconductors and more. All have contributed to building these new technical specifications through a process of gathering requirements, considerations of scenarios and technical design.

Following the review period, the C2PA working groups will finalize the 1.0 version of the technical standards and once published, the group will pursue adoption, prototyping and communication through coalition members and other external stakeholders, providing the foundation for a system of verifiable provenance on the internet.

“The power of C2PA’s open standard will rely on its broad adoption by producers and custodians of content, which makes this review phase so critical to the development and finalization of the specifications,” said Jenks. “This is why we are making the draft specification available to the public. We encourage rigorous review and feedback across industries, civil society, academia, and the general public to ensure the C2PA standards reflect the complex nature of this effort.”

The draft specification can be accessed through the C2PA website<https://c2pa.org/public-draft/>, and comments will be accepted through a web submission form<https://docs.google.com/forms/d/e/1FAIpQLSevOsvZKHIc_4Dljk7IkoW37mcuItUEV3I6hoUZhR2suxRVPg/viewform> and GitHub<https://github.com/c2pa-org/public-draft> until November 30, 2021.

C2PA is accepting new members. To join, visit https://c2pa.org/membership/.

About C2PA
The Coalition for Content Provenance and Authenticity (C2PA) is an open, technical standards body addressing the prevalence of misleading information online through the development of technical standards for certifying the source and history (or provenance) of media content. C2PA is a Joint Development Foundation project, formed through an alliance between Adobe, Arm, BBC, Intel, Microsoft and Truepic. For more information, visit c2pa.org.

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Received on Wednesday, 1 September 2021 13:08:22 UTC

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