Apple has introduced Apple Reference Image, a new feature for verifiable photography on iPhone, which provides a securely timestamped reference image that accurately reflects what was captured by the iPhone's camera sensor. This feature aims to address the problem of distinguishing between real and fake photos, especially with the increasing use of AI tools to generate or alter photorealistic images. The system uses a combination of secure hardware and private cloud computing to protect the integrity and privacy of the image data. The feature is designed to meet three core requirements: semantic authenticity, resilience to compromise, and privacy preservation.