OpenAI's text watermark can't prove you didn't write something. I built a lab where you can watch it die.
OpenAI's textGrain is their answer to the EU AI Act's provenance rule (Article 50(2)): an invisible statistical watermark woven into word choices, detectable only with their secret key. The unusual part is they published the failure curve with the launch. Swap 10% of words for synonyms and detectio…
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- 2026-10-10 08:28 · r/artificial
OpenAI's text watermark can't prove you didn't write something. I built a lab where you can watch it die.