{
  "generated": "2026-10-21",
  "notes": "Hash mapping for unchanged downloadable artifacts. Report existence alone does not establish new validator run.",
  "samples": [
    {
      "filename": "academic-stm-sample.epub",
      "sha256": "74a6e72885e17966deed68f9623fa80d2d0b9e7ebea45e74b306fa1fa47b7c9d",
      "reports": [
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        "downloads/validation-v4_6/academic-stm-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "accessible-epub-sample.epub",
      "sha256": "3a1d71b912b2abd7c71a6049effb2376909e03eebf0469e1ee36672e1d07e063",
      "reports": [
        "downloads/validation-v4_5/accessible-epub-sample-epubcheck.txt",
        "downloads/validation-v4_6/accessible-epub-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "accessible-epub3-sample.epub",
      "sha256": "abf5cfa419136d456cff090b23d8d11f622d4f67f15ddd4f87bfbe75131b8462",
      "reports": [
        "downloads/validation-v4_5/accessible-epub3-sample-epubcheck.txt",
        "downloads/validation-v4_6/accessible-epub3-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "checked-reflowable-sample.epub",
      "sha256": "201323cf1b7874f432f72cbdee5aa6f829d0b1be18a86634de6902ada5f8a40f",
      "reports": [
        "downloads/validation-v4_5/checked-reflowable-sample-epubcheck.txt",
        "downloads/validation-v4_6/checked-reflowable-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "childrens-sample.epub",
      "sha256": "c365b799e81ad8d5549768b68e15c540ade611bacc204217473e042713604447",
      "reports": [
        "downloads/validation-v4_5/childrens-sample-epubcheck.txt",
        "downloads/validation-v4_6/childrens-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "complex-tables-sample.epub",
      "sha256": "0b4d25371a888c798e007b8ea99d2349aad010a1d71a2cf3cb5783aa91d38ba6",
      "reports": [
        "downloads/validation-v4_5/complex-tables-sample-epubcheck.txt",
        "downloads/validation-v4_6/complex-tables-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "fixed-layout-epub3-sample.epub",
      "sha256": "b8e1f1be72d448826e731377e2bae4aa7d03520b57558680f82dff54dfeb9af0",
      "reports": [
        "downloads/validation-v4_5/fixed-layout-epub3-sample-epubcheck.txt",
        "downloads/validation-v4_6/fixed-layout-epub3-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "fixed-layout-sample.epub",
      "sha256": "43f59df9ada9022f6f6b278c0597dd408f18f6b69e6595236fc6d7b456ea8508",
      "reports": [
        "downloads/validation-v4_5/fixed-layout-sample-epubcheck.txt",
        "downloads/validation-v4_6/fixed-layout-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "mathml-epub-sample.epub",
      "sha256": "bb33d635f03a5bb21feee3a55402374cfdbd039237571e3ebbe14af7e2169c0e",
      "reports": [
        "downloads/validation-v4_5/mathml-epub-sample-epubcheck.txt",
        "downloads/validation-v4_6/mathml-epub-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "mathml-epub3-sample.epub",
      "sha256": "af0b8aa5e15af006c623044110392d80f59a35cbf3ef17816a83d125fbefa74e",
      "reports": [
        "downloads/validation-v4_5/mathml-epub3-sample-epubcheck.txt",
        "downloads/validation-v4_6/mathml-epub3-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "multilingual-sample.epub",
      "sha256": "dca14324b9d48e0b5c134abe8b67cf4ac8098dae840e4e2e6fcf3b5712cd2cd9",
      "reports": [
        "downloads/validation-v4_5/multilingual-sample-epubcheck.txt",
        "downloads/validation-v4_6/multilingual-sample-epubcheck-5.3.0.txt"
      ]
    },
    {
      "filename": "reflowable-epub3-sample.epub",
      "sha256": "1f6ae0157f3c42f7b563366bddc0473b830fbb7a58af714aab1cbc1b43239450",
      "reports": [
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        "downloads/validation-v4_6/reflowable-epub3-sample-epubcheck-5.3.0.txt"
      ]
    }
  ]
}