{
  "id": 984911,
  "title": "You need to sign your content. Anthropic already marks everything Claude generates and you still don't",
  "url": "https://urgent.news/2026/08/15/you-need-to-sign-your-content-anthropic-already-marks-everything",
  "topic": "ai",
  "section": "AI",
  "published": "2026-08-15T07:20:16.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/carlosortet/you-need-to-sign-your-content-anthropic-already-marks-everything-claude-generates-and-you-still-57bo"
  },
  "original_language": "en",
  "account": "Anthropic has confirmed that all text generated by its AI model Claude now carries a unique watermark. This move comes after Anthropic signed the Code of Practice on Transparency of AI-Generated Content on July 8, 2026, making it mandatory for all models launched from August 2, 2026, to include the watermark. The watermark, which travels with the text across various platforms and editing processes, is part of the text and does not degrade the output quality. While Anthropic's approach to watermarking does not fully solve the issue of proving what the model has been trained on, it marks a significant step forward in ensuring the provenance of AI-generated content.",
  "summary": "Originally published at carlosortet.com . Republished here with canonical. It matters more than ever, and it is more urgent than ever, to be able to prove that a model has read and used our content. There is an opportunity window to mark your content and this is before a model uses it. On 10 July I published an article here about the idea of hiding an impossible date inside a text so you could…",
  "key_points": [
    "Anthropic adds unique watermark to Claude-generated text",
    "Mandatory from August 2, 2026, under Code of Practice",
    "Watermark remains in text without reducing quality"
  ],
  "editors_take": "Anthropic's mandatory watermarking of AI-generated content from Claude model marks a significant step forward in ensuring the provenance of AI-generated content, setting a new standard for transparency.",
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}