AITowards Data Scienceabout 1 hour ago
Text Watermarking Catches Copied Writing
1 min read
Anthropic began watermarking Claude's text on August 2, 2026, joining Google's SynthID-Text and OpenAI's similar system. Three methods exist: invisible characters, keyed word choices, and rigged sampling. An 80-line script embeds a 32-bit ID with CRC validation, tested on Gemma-2-9b-it and Qwen2.5-7B-Instruct.
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