Anthropic to watermark Claude text under EU rules
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- Anthropic will add machine-readable "watermarks" to Claude-generated text and files, designed to comply with new European Union transparency regulations.
- Communications teams using Claude to clean up, translate, or format human-drafted press releases could see those documents stamped with the watermark, the source warns.
Why it matters: EU regulations are forcing a technical change that blurs the line between human and AI authorship: a press release a human wrote but Claude polished would carry the same AI-origin marker as one Claude generated from scratch, creating provenance risk for routine editorial workflows.
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