this post was submitted on 11 Aug 2026
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How Claude marks AI-generated content: (1) watermarks embedded in text, and (2) signed provenance metadata attached to files. (support.claude.com)
submitted 2 weeks ago by eicker@lemmy.world to c/technology@lemmy.world
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[–] Prox@lemmy.world 2 points 2 weeks ago (4 children)

1. Embedded watermarks in text

When a supported Claude model generates text, it weaves an imperceptible watermark directly into the text itself. You won’t see it, and it doesn’t change the meaning, quality, or readability of Claude’s response.

Because the watermark is part of the text, it will travel with the text when it’s copied and pasted elsewhere, and may persist through some editing. Watermarking will be applied at the model level, which means it will be present no matter which Claude product or surface the text comes from.

Can someone ELI5 how this would actually work, especially with copying and pasting?

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