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Explains why metadata-based AI watermarks like C2PA fail when images are screenshotted or re-encoded, and proposes a layered approach combining frequency-domain, neural, and perceptual fingerprinting watermarking that survives real-world social media round-trips.
Google's SynthID AI watermarking technology is being adopted by OpenAI, Nvidia, and other companies, expanding its use beyond Google's own AI models.