{
  "id": 19150515,
  "title": "I tested ChatGPT's PDF Content Credentials: what survives a re-save, a print and an edit",
  "url": "https://urgent.news/2026/11/09/i-tested-chatgpts-pdf-content-credentials-what-survives-a-re-save-a",
  "topic": "ai",
  "section": "AI",
  "published": "2026-11-09T12:26:54.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/borys_haiduchyk/i-tested-chatgpts-pdf-content-credentials-what-survives-a-re-save-a-print-and-an-edit-3319"
  },
  "original_language": "en",
  "account": null,
  "summary": "Disclosure: I'm the founder of Atomara, a PDF forensics API. The files and the code are public, so you can check every result below yourself. I asked ChatGPT to change the date on an invoice it had generated. It did, and the new file still carries OpenAI's signed statement that ChatGPT created it: the same manifest, byte for byte, describing the version with the old date. That invoice was one of…",
  "key_points": [],
  "editors_take": null,
  "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."
}