Technical specification

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Relevant to AI safety discussions around synthetic media, deepfakes, and content authentication; C2PA provides the technical backbone for provenance-based approaches to verifying AI-generated content in deployment contexts.

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Importance: 52/100standardreference

Summary

The C2PA (Coalition for Content Provenance and Authenticity) Technical Specification v2.0 defines an open standard for embedding cryptographically verifiable provenance metadata into digital media, enabling verification of content origin, authorship, and modification history. It establishes a framework for 'Content Credentials' that can identify whether content was AI-generated or human-created. This standard is a key technical infrastructure for combating deepfakes, misinformation, and AI-generated synthetic media.

Key Points

•Defines a cryptographic manifest format for attaching tamper-evident provenance data to images, video, audio, and documents
•Supports disclosure of AI involvement in content creation, including generative AI tools used in production
•Enables chain-of-custody tracking so any modification history can be verified back to original capture or creation
•Provides a trust model based on X.509 certificates and credential issuers for authenticating content creators
•Backed by major industry players (Adobe, Microsoft, Google, etc.) as a cross-platform interoperability standard

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2.0

[2.3](https://spec.c2pa.org/specifications/specifications/2.3/specs/C2PA_Specification.html) [2.2](https://spec.c2pa.org/specifications/specifications/2.2/specs/C2PA_Specification.html) [2.1](https://spec.c2pa.org/specifications/specifications/2.1/specs/C2PA_Specification.html) [2.0](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html) [1.4](https://spec.c2pa.org/specifications/specifications/1.4/specs/C2PA_Specification.html) [1.3](https://spec.c2pa.org/specifications/specifications/1.3/index.html) [1.2](https://spec.c2pa.org/specifications/specifications/1.2/specs/C2PA_Specification.html) [1.1](https://spec.c2pa.org/specifications/specifications/1.1/specs/C2PA_Specification.html) [1.0](https://spec.c2pa.org/specifications/specifications/1.0/specs/C2PA_Specification.html)

# Content Credentials : C2PA Technical Specification

Table of Contents

- [1\. Introduction](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_introduction)
  - [1.1. Overview](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_overview)
  - [1.2. Scope](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_scope)
  - [1.3. Technical Overview](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_technical_overview)
  - [1.4. Establishing Trust](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_establishing_trust)
  - [1.5. An Example](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_an_example)
  - [1.6. Design Goals](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_design_goals)
- [2\. Glossary](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_glossary)
  - [2.1. Introductory terms](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_introductory_terms)
  - [2.2. Assets and Content](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_assets_and_content)
  - [2.3. Core Aspects of C2PA](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_core_aspects_of_c2pa)
  - [2.4. Additional Terms](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_additional_terms)
  - [2.5. Overview](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_overview_2)
- [3\. Normative References](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_normative_references)
  - [3.1. Core Formats](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_core_formats)
  - [3.2. Schemas](https://spec.c2pa.org/specifications/specifications/2.0/specs/C2PA_Specification.html#_schemas)
  - [3.3. Digital & Electronic Signatures](https://spec.c2pa.org/specifica

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