{
  "schema": "ocr-engine-historical-lines-v1",
  "scope": "training/development corpus; not benchmark or gold release",
  "dataset": "PiotrSty/impact-psnc-polish-ocr",
  "revision": "c7cb156fb95d2880699c33725bbaf1fbc1008fea",
  "geometry": "automatic rectangle; reference line count used only to accept or quarantine a region",
  "normalization": "NFC and whitespace only; historical spelling retained",
  "label_policy": "U+FFFD and private-use lines quarantined; no modernization",
  "collections": {
    "train": [
      "Adwersaria_FT",
      "Discurs_FT",
      "NA1_FT",
      "NA3_FT",
      "Nowiny_z_Torunia_FT",
      "O_cieplicach_FT",
      "Oekonomika_FT",
      "Pasja_zolnierzy_FT",
      "Szturm_FT",
      "Wyprawa_1_FT"
    ],
    "validation": [
      "Choragiew_FT",
      "Relacja_koronacji_FT",
      "SLAWNA_VICTORIA_FT",
      "Slawna_wiktoria_FT",
      "Wiesc_FT"
    ],
    "test": [
      "NA2_FT",
      "Nowiny_z_Rakuz_FT",
      "Powodzenia_FT"
    ],
    "geometry_holdout": [
      "Ceremonie_FT",
      "Diariusz_FT",
      "List_FT",
      "NA4_FT",
      "Nowe_nowiny_z_Czech_FT",
      "Nowiny_z_Inflant_FT",
      "Prawdziwa_relacja_FT",
      "Relacja_chwalebnej_FT",
      "Relacja_prawdziwa_FT",
      "Relacja_spraw_FT",
      "Wyprawa_2_FT",
      "Zalosne_FT"
    ]
  },
  "stats": {
    "train": {
      "candidate_regions": 188,
      "regions_line_count_mismatch": 87,
      "accepted_lines": 258,
      "quarantined_private_use_character_lines": 173,
      "quarantined_replacement_character_lines": 39,
      "accepted_regions": 94
    },
    "validation": {
      "candidate_regions": 116,
      "regions_line_count_mismatch": 42,
      "accepted_lines": 139,
      "quarantined_private_use_character_lines": 61,
      "quarantined_replacement_character_lines": 7,
      "accepted_regions": 69
    }
  },
  "quarantine_records": 409,
  "unicode_inventory": [
    {
      "character": "°",
      "codepoint": "U+00B0",
      "name": "DEGREE SIGN",
      "count": 1
    },
    {
      "character": "ß",
      "codepoint": "U+00DF",
      "name": "LATIN SMALL LETTER SHARP S",
      "count": 128
    },
    {
      "character": "à",
      "codepoint": "U+00E0",
      "name": "LATIN SMALL LETTER A WITH GRAVE",
      "count": 8
    },
    {
      "character": "á",
      "codepoint": "U+00E1",
      "name": "LATIN SMALL LETTER A WITH ACUTE",
      "count": 478
    },
    {
      "character": "æ",
      "codepoint": "U+00E6",
      "name": "LATIN SMALL LETTER AE",
      "count": 2
    },
    {
      "character": "é",
      "codepoint": "U+00E9",
      "name": "LATIN SMALL LETTER E WITH ACUTE",
      "count": 2
    },
    {
      "character": "í",
      "codepoint": "U+00ED",
      "name": "LATIN SMALL LETTER I WITH ACUTE",
      "count": 1
    },
    {
      "character": "ñ",
      "codepoint": "U+00F1",
      "name": "LATIN SMALL LETTER N WITH TILDE",
      "count": 1
    },
    {
      "character": "ô",
      "codepoint": "U+00F4",
      "name": "LATIN SMALL LETTER O WITH CIRCUMFLEX",
      "count": 1
    },
    {
      "character": "Ą",
      "codepoint": "U+0104",
      "name": "LATIN CAPITAL LETTER A WITH OGONEK",
      "count": 2
    },
    {
      "character": "ą",
      "codepoint": "U+0105",
      "name": "LATIN SMALL LETTER A WITH OGONEK",
      "count": 3
    },
    {
      "character": "ć",
      "codepoint": "U+0107",
      "name": "LATIN SMALL LETTER C WITH ACUTE",
      "count": 102
    },
    {
      "character": "ċ",
      "codepoint": "U+010B",
      "name": "LATIN SMALL LETTER C WITH DOT ABOVE",
      "count": 27
    },
    {
      "character": "ē",
      "codepoint": "U+0113",
      "name": "LATIN SMALL LETTER E WITH MACRON",
      "count": 1
    },
    {
      "character": "ę",
      "codepoint": "U+0119",
      "name": "LATIN SMALL LETTER E WITH OGONEK",
      "count": 11
    },
    {
      "character": "Ł",
      "codepoint": "U+0141",
      "name": "LATIN CAPITAL LETTER L WITH STROKE",
      "count": 7
    },
    {
      "character": "ł",
      "codepoint": "U+0142",
      "name": "LATIN SMALL LETTER L WITH STROKE",
      "count": 163
    },
    {
      "character": "ń",
      "codepoint": "U+0144",
      "name": "LATIN SMALL LETTER N WITH ACUTE",
      "count": 24
    },
    {
      "character": "ō",
      "codepoint": "U+014D",
      "name": "LATIN SMALL LETTER O WITH MACRON",
      "count": 1
    },
    {
      "character": "œ",
      "codepoint": "U+0153",
      "name": "LATIN SMALL LIGATURE OE",
      "count": 1
    },
    {
      "character": "ś",
      "codepoint": "U+015B",
      "name": "LATIN SMALL LETTER S WITH ACUTE",
      "count": 74
    },
    {
      "character": "ź",
      "codepoint": "U+017A",
      "name": "LATIN SMALL LETTER Z WITH ACUTE",
      "count": 77
    },
    {
      "character": "Ż",
      "codepoint": "U+017B",
      "name": "LATIN CAPITAL LETTER Z WITH DOT ABOVE",
      "count": 1
    },
    {
      "character": "ż",
      "codepoint": "U+017C",
      "name": "LATIN SMALL LETTER Z WITH DOT ABOVE",
      "count": 129
    },
    {
      "character": "ž",
      "codepoint": "U+017E",
      "name": "LATIN SMALL LETTER Z WITH CARON",
      "count": 14
    },
    {
      "character": "ſ",
      "codepoint": "U+017F",
      "name": "LATIN SMALL LETTER LONG S",
      "count": 228
    },
    {
      "character": "ȧ",
      "codepoint": "U+0227",
      "name": "LATIN SMALL LETTER A WITH DOT ABOVE",
      "count": 65
    },
    {
      "character": "Ⱥ",
      "codepoint": "U+023A",
      "name": "LATIN CAPITAL LETTER A WITH STROKE",
      "count": 1
    },
    {
      "character": "Ɇ",
      "codepoint": "U+0246",
      "name": "LATIN CAPITAL LETTER E WITH STROKE",
      "count": 2
    },
    {
      "character": "ɇ",
      "codepoint": "U+0247",
      "name": "LATIN SMALL LETTER E WITH STROKE",
      "count": 93
    },
    {
      "character": "̃",
      "codepoint": "U+0303",
      "name": "COMBINING TILDE",
      "count": 1
    },
    {
      "character": "̄",
      "codepoint": "U+0304",
      "name": "COMBINING MACRON",
      "count": 2
    },
    {
      "character": "ṁ",
      "codepoint": "U+1E41",
      "name": "LATIN SMALL LETTER M WITH DOT ABOVE",
      "count": 1
    },
    {
      "character": "ṗ",
      "codepoint": "U+1E57",
      "name": "LATIN SMALL LETTER P WITH DOT ABOVE",
      "count": 1
    },
    {
      "character": "ṡ",
      "codepoint": "U+1E61",
      "name": "LATIN SMALL LETTER S WITH DOT ABOVE",
      "count": 19
    },
    {
      "character": "ẃ",
      "codepoint": "U+1E83",
      "name": "LATIN SMALL LETTER W WITH ACUTE",
      "count": 1
    },
    {
      "character": "ẇ",
      "codepoint": "U+1E87",
      "name": "LATIN SMALL LETTER W WITH DOT ABOVE",
      "count": 4
    },
    {
      "character": "ẞ",
      "codepoint": "U+1E9E",
      "name": "LATIN CAPITAL LETTER SHARP S",
      "count": 1
    },
    {
      "character": "‑",
      "codepoint": "U+2011",
      "name": "NON-BREAKING HYPHEN",
      "count": 9
    },
    {
      "character": "ⱥ",
      "codepoint": "U+2C65",
      "name": "LATIN SMALL LETTER A WITH STROKE",
      "count": 115
    },
    {
      "character": "⸗",
      "codepoint": "U+2E17",
      "name": "DOUBLE OBLIQUE HYPHEN",
      "count": 54
    },
    {
      "character": "ff",
      "codepoint": "U+FB00",
      "name": "LATIN SMALL LIGATURE FF",
      "count": 1
    },
    {
      "character": "fi",
      "codepoint": "U+FB01",
      "name": "LATIN SMALL LIGATURE FI",
      "count": 3
    },
    {
      "character": "ffi",
      "codepoint": "U+FB03",
      "name": "LATIN SMALL LIGATURE FFI",
      "count": 1
    },
    {
      "character": "st",
      "codepoint": "U+FB06",
      "name": "LATIN SMALL LIGATURE ST",
      "count": 1
    }
  ],
  "manifest_sha256": "dbed37d35d77fe85af634dcdd353f628f0c318b37b02cff08520eb746f090314",
  "quarantine_sha256": "a7fd8a394ccb06c8d0d037f4ec48321b625ed9109c5aacb9f4ef741b444f32e5",
  "provenance": {
    "metadata_sha256": {
      "train": "dae1190a6de1f80468cda2e3682b0f0bf491683bf950e71365d9f86a09eba3da",
      "validation": "7c327af0b655813cd2b2e695aa9c9a6f31a2a2524e826e4b2cacec1717db53ad",
      "test": "b311a3c077deb15f95cb7f972fd351be15b5922b69ba8f49a2b3c0834a523435"
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    "holdout_manifest_sha256": "0b5459ea56d352de532b2cdc2284bd701b1c98458c67afd9f2220b6f0a6a7b18"
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}