# How One Researcher Extracted Googles SynthID Codebook With 200 Black and White Images

- slug: how-one-researcher-extracted-googles-synthid-codebook-with-200-black-and-white-images
- date: 2026-04-10
- category: Artificial Intelligence

A researcher extracted Googles invisible watermark codebook with 200 Gemini images and published a bypass that erases the provenance signal at 43+ dB PSNR. Every workflow built on SynthID detection now has an unreliable tool with an open-source exploit.

---