Apple is working on "Apple Reference Image," a photo provenance system that will verify if an image was captured with an iPhone. References to the feature were found in a privacy disclosure included in iOS 27 beta 5, but it is not live yet.
According to the text, there will be a "Reference" mode option in the Camera app that users can select. Using this mode will embed provenance data in the image's metadata.
Images captured with an opt-in Reference mode can be authenticated to confirm they were taken with an iPhone. Authenticating is done by tapping the Reference badge on the image, which sends the raw image, sensor signatures, capture time frame, and the unique hardware identifiers of the sensor to Apple's Private Cloud Compute (PCC) servers. PCC uses the information to determine whether the camera captured the photo, gives it a unique ID, and then returns an authenticated version to the user's device.
When authenticating a photo, Apple receives sensor data, a hash, and th
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