{
  "topic_id": "TP-184",
  "scope": "Only two explicitly known markers in constructed one-page PDFs; not allPII, native Acrobat, image OCR, attachments, hidden layers or allcopies audit.",
  "observations": [
    {
      "file": "output/pdf/topic-pool-backlog98e-20261017/fictional-overlay-retains-text.pdf",
      "pdf_sha256": "ab788734f4962f4436c9ba9ac9e92b0697dcc297076828583c4c0c049aad785e",
      "pages": 1,
      "text_marker_found": true,
      "metadata_marker_found": true
    },
    {
      "file": "output/pdf/topic-pool-backlog98e-20261017/fictional-rebuilt-without-two-markers.pdf",
      "pdf_sha256": "3677e50a9a2ac4812272b67502eccb6a3b55ffc1df7ad9ea2f608e72bbddc19f",
      "pages": 1,
      "text_marker_found": false,
      "metadata_marker_found": false
    }
  ],
  "case_conclusion": "Visual overlay retains text/metadata; separate reconstruction omits these two markers only.",
  "workflow_executed": "ReportLab generation + pypdf reopen/text/metadata inspection; no Acrobat execution."
}