Unverified50% confidenceFactExact time
Google DeepMind's SynthID-Text employs a tournament sampling strategy that embeds signals at high-entropy positions and degrades to normal sampling at low-entropy positions; Google open-sourced it in 2024 and integrated it into the Gemini series of models.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/17/2026
First Seen
Valid until: 11/15/2026
Sources
Claude隐形水印争议：AI输出内容可被溯源追踪
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