{
  "date": "2026-10-12",
  "source": "Fictional single-page Letter PDF created with ReportLab and embedded ReadySans font. No real personal data.",
  "image_method": "Offline Poppler 26.05.0 pdftoppm; page 1; 108/144 DPI; PNG or JPEG quality=90; Pillow dimensions and filesystem bytes. Not browser/site exports.",
  "image_commands": [
    "pdftoppm -f 1 -singlefile -r 108 -png synthetic-export-source.pdf page-108dpi",
    "pdftoppm -f 1 -singlefile -r 144 -png synthetic-export-source.pdf page-144dpi",
    "pdftoppm -f 1 -singlefile -r 108 -jpeg -jpegopt quality=90 synthetic-export-source.pdf page-108dpi",
    "pdftoppm -f 1 -singlefile -r 144 -jpeg -jpegopt quality=90 synthetic-export-source.pdf page-144dpi"
  ],
  "metadata_method": "Unmodified site assets/pdf-tools-engine.mjs readPDF + processPDF(metadata, [input], {clearMetadata: true}), executed offline in Node. Actual returned filename and bytes retained. Not a browser UI test.",
  "metadata_before": {
    "filename": "synthetic-export-source.pdf",
    "title": "Fictional Atlas - internal draft",
    "author": "Example Author"
  },
  "metadata_after": {
    "filename": "synthetic-export-source-properties.pdf",
    "title": null,
    "author": null
  },
  "independent_checks": {
    "pypdf": "Output reopened: Info dictionary absent; catalog Metadata entry absent; one page; extracted text unchanged.",
    "Poppler": "Original/output rendered at 108 DPI; Pillow ImageChops difference is empty (pixel-identical).",
    "limits": "This synthetic file has no annotations, attachments or forms; these results do not establish comprehensive sanitization of other PDFs."
  },
  "files": [
    {
      "file": "page-108dpi.jpg",
      "bytes": 115856,
      "sha256": "50a37c5f41926d92fddb9bb272da8ca4badd71e2a694aae5051df80fe31605bd",
      "width": 918,
      "height": 1188
    },
    {
      "file": "page-108dpi.png",
      "bytes": 114010,
      "sha256": "ccf861298fdb0d715b8ada8b30d5909e02b983eb845c915fc6687166eac47c7c",
      "width": 918,
      "height": 1188
    },
    {
      "file": "page-144dpi.jpg",
      "bytes": 168138,
      "sha256": "e03a6dc24c05ffea5d9f56b32f21107ca03ead82661ea509a518963264f56199",
      "width": 1224,
      "height": 1584
    },
    {
      "file": "page-144dpi.png",
      "bytes": 150164,
      "sha256": "ab9dbe73d859b479d3defa727acf186c0524e6a3177916659afadc636c80c268",
      "width": 1224,
      "height": 1584
    },
    {
      "file": "synthetic-export-source-properties.pdf",
      "bytes": 21990,
      "sha256": "6019cdafc12b5c9695e864eb2bf62801a63818c6a70d766ae7392963a79668ca"
    },
    {
      "file": "synthetic-export-source.pdf",
      "bytes": 23716,
      "sha256": "a7cfdaedf7dcac56204b74aef3714e8d23e5cb74230649a50575e43c25ca34d7"
    }
  ]
}