At its recent Surprise and Shine event, Apple announced a new feature for the iPhone 18 Pro called Apple Reference Image. This feature captures signed sensor data alongside each photo, which is then processed by Apple’s Private Cloud Compute service to create an unalterable version of the image. This reference image acts like a digital negative, allowing users to compare it with other versions of the photo to detect any modifications. Apple emphasized the importance of this feature for photojournalists and photographers who need to verify image authenticity. Initially, reference images will be accessible only through the Photos app, but Apple is providing APIs for developers to incorporate this functionality into third-party apps. Additionally, Apple will support the SynthID standard to help identify images created or altered using AI technologies. This development addresses growing concerns about the proliferation of AI-generated or manipulated images and aims to enhance trust in photos captured on iPhones.