Sony Is the First Camera Company to Verify Authenticity of Video Using C2PA (petapixel.com)

Sony has released firmware updates and a verification service that make it the first camera maker to offer C2PA‑compliant authenticity checks for video. The feature is available now for five models (a1 II, a9 III, FX3, FX30, PXW‑Z300) with four more slated (a1, a7R V, a7 IV after Nov 2025; a7S III in 2026). Sony worked with the BBC’s R&D team and the C2PA standards group (Sony is on the C2PA Steering Committee) to extend its camera‑authenticity program from stills to moving images — a timely move as generative AI rapidly enables realistic fake video. Technically, Sony’s verification site can confirm that media were recorded by an approved Sony camera by checking camera‑embedded digital signatures and metadata; video verification uses additional signals such as captured 3D depth information to show that real three‑dimensional scenes were filmed. A trim function lets users extract and verify only needed clips while preserving signatures, speeding checks on large files. Verification requires a digital signature license installed on compatible cameras, which Sony will now issue for video. For newsrooms, broadcasters and forensic teams, this creates a stronger provenance chain and a practical countermeasure to AI‑synthesized content.