Apple introduces Reference Image mode to certify iPhone photos as authentic

Apple’s next flagship, the iPhone 18 Pro line, will ship with a hardware-based Reference Image mode designed to prove that a picture was taken by the device and not altered by AI. The mode uses a new camera sensor to embed a cryptographic signature into each pixel, which is then processed by Apple’s Private Cloud Compute into an immutable reference image stored in the Photos app. This reference can be juxtaposed with any edited copy to reveal changes.

Developers will receive a Reference Image API for iOS, iPadOS and macOS, enabling third-party apps to read and display the signed data. While the hardware will be present worldwide, the EU version will lack the feature at launch, but users will still be able to generate and view reference images after the release of iOS 27, iPadOS 27 and macOS 27. The move adds a hardware-level layer to existing standards like SynthID and Meta’s Content Seal for combating deep-fake imagery.