About tool:
Coalition for Content Provenance and Authenticity — open technical standard for cryptographically signing the origin and edit history of digital media.
Adobe-led cross-industry initiative implementing C2PA-based provenance for images, video and audio. Reference for verifying and surfacing media authenticity claims.
Free Windows app that decodes the internal structure of JPEG and other image files — exposes quantisation tables that fingerprint the originating camera or editor.
