{
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  "path": "/2026/04/21/claude-opus-4-7-identified-a-writer-from-125-words-shed-never-published.html",
  "publishedAt": "2026-04-21T21:57:45.000Z",
  "site": "https://boingboing.net",
  "tags": [
    "Post",
    "AI",
    "anonymity",
    "anthropic",
    "Claude",
    "privacy",
    "Technology",
    "writing",
    "Read the rest",
    "Claude Opus 4.7 identified a writer from 125 words she'd never published",
    "Boing Boing"
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  "textContent": "Kelsey Piper, a writer at Vox's Future Perfect, pasted 125 words of an unpublished political column into Claude Opus 4.7 last week and got her own name back. She hadn't logged in; the test was run in Incognito mode, confirmed through the API, and repeated on a friend's computer. — Read the rest \n\nThe post Claude Opus 4.7 identified a writer from 125 words she'd never published appeared first on Boing Boing.",
  "title": "Claude Opus 4.7 identified a writer from 125 words she'd never published"
}