{
  "test_date": "2026-09-07",
  "executed_at_utc": "2026-09-07T05:27:08.447Z",
  "tesseract_js": "7.0.0",
  "tesseract_js_core": "7.0.0",
  "node": "v25.2.1",
  "platform": "darwin-arm64",
  "wasm_capabilities_observed": { "simd": true, "relaxed_simd": true },
  "core_selected_by_installed_loader_rules": "tesseract-core-relaxedsimd-lstm.wasm",
  "selected_core_sha256": "7985c92d4c64e7267d24cadffe1b2a1da6bf8aa55fdcaf953fe94fe122a24545",
  "models_repository": "tesseract-ocr/tessdata_fast",
  "models_commit": "87416418657359cb625c412a48b6e1d6d41c29bd",
  "models": {
    "jpn": "1f5de9236d2e85f5fdf4b3c500f2d4926f8d9449f28f5394472d9e8d83b91b4d",
    "jpn_vert": "bf1e2640954691797e2dc14f38533e601b59ee37958698ae0f0b81dc6f09c71b"
  },
  "available_core_wasm_sha256": {
    "tesseract-core-lstm.wasm": "66b17df6e20c5329a17ffa9c202a47eaa3e32500b253d4c7f38e7f2bc01457c3",
    "tesseract-core-relaxedsimd-lstm.wasm": "7985c92d4c64e7267d24cadffe1b2a1da6bf8aa55fdcaf953fe94fe122a24545",
    "tesseract-core-relaxedsimd.wasm": "45f8c9b516df326b6ae6b493ed3a6289df5cbd10490e7b6ff8bf5b12ea42d1da",
    "tesseract-core-simd-lstm.wasm": "34e8d50cac216427d86bf397d610fdd9f49492539bbcdfbfccc4eda20c810bea",
    "tesseract-core-simd.wasm": "7d237a13edfeb0fa2f104744fccde0a00e0c076c3e23b7a8fc7af75ec9af2c3e",
    "tesseract-core.wasm": "c7f5ace62ac0ad065e71e9c6725f1d7cdf82e7eda8fba532cbb9563964da7098"
  },
  "oem": "1 (LSTM only)",
  "user_defined_dpi": "300",
  "repeat_policy": "One recorded OCR call per listed case; all completed outputs retained, no paid services or product test.",
  "excluded_attempts": "An initial tessdata_best model attempt aborted in bundled WASM core with missing DotProductSSE function before producing OCR text. The entire recorded corpus uses tessdata_fast; not a best-versus-fast accuracy comparison.",
  "results": [
    {
      "id": "horizontal-jpn-psm6",
      "image": "horizontal.png",
      "language": "jpn",
      "psm": "6",
      "oem": 1,
      "image_sha256": "800a116def83b1bf7495bc9f6b28359a15b05b43b79d9bae3b0c14db45e8da44",
      "raw_text": "朝の図書館で本を読む。\n古い地図には川が見える。\n明日は友人と駅で会う。\n",
      "engine_reported_confidence": 93
    },
    {
      "id": "vertical-jpn-psm6-control",
      "image": "vertical.png",
      "language": "jpn",
      "psm": "6",
      "oem": 1,
      "image_sha256": "628d661e8f27101b61624f1d2da8ebc7dcdb1e82b04deff40f2e455b204cf66c",
      "raw_text": "明                 古                 昌\n日                      い                      の\nは                   地\n友                   書\n人                   に                   館\nと                    は                   で\n上                     川                      本\nで                   が                   を\n会                   見                   読\nう                    え                   む\n\n。                   る                      。\n",
      "engine_reported_confidence": 81
    },
    {
      "id": "vertical-jpn-vert-psm5",
      "image": "vertical.png",
      "language": "jpn_vert",
      "psm": "5",
      "oem": 1,
      "image_sha256": "628d661e8f27101b61624f1d2da8ebc7dcdb1e82b04deff40f2e455b204cf66c",
      "raw_text": "朝 の 図書 館 で 本 を 読む 。\n古い 地図 に は 川 が 見 える 。\n明日 は 友人 と 駅 で 会 う 。\n",
      "engine_reported_confidence": 90
    },
    {
      "id": "furigana-jpn-vert-psm5",
      "image": "vertical-furigana.png",
      "language": "jpn_vert",
      "psm": "5",
      "oem": 1,
      "image_sha256": "34e25caf6f4e0e1d888a68d4d53077b558b800cbc7fa272b3deccffe6c805c39",
      "raw_text": "朝 の 図書 館 で 本 を 読む .\n古い 地図 に は 川 が 見 える 。\n明日 は 友人 と 駅 で 会 う .\n",
      "engine_reported_confidence": 89
    },
    {
      "id": "body-column-1-jpn-vert-psm5",
      "image": "body-column-1.png",
      "language": "jpn_vert",
      "psm": "5",
      "oem": 1,
      "image_sha256": "19160ac36f13cd12bcd17b52048aca926be1e42072df580c07b3143e7113b4ce",
      "raw_text": "朝 の 図書 館 で 本 を 読む .\n",
      "engine_reported_confidence": 81
    },
    {
      "id": "body-column-2-jpn-vert-psm5",
      "image": "body-column-2.png",
      "language": "jpn_vert",
      "psm": "5",
      "oem": 1,
      "image_sha256": "9ddbe0fdc7b3e7afd5606f4c8011c8747c79f30b1869fef1c7da91fd8cb0bcf9",
      "raw_text": "古い 地図 に は 川 が 見 える ,\n",
      "engine_reported_confidence": 88
    },
    {
      "id": "body-column-3-jpn-vert-psm5",
      "image": "body-column-3.png",
      "language": "jpn_vert",
      "psm": "5",
      "oem": 1,
      "image_sha256": "3b259898fcb3e7b1ac18a1255583298da0f7da0f0fb20189dcad165eb22e974a",
      "raw_text": "明日 は 友人 と 駅 で 会 う 。\n",
      "engine_reported_confidence": 86
    }
  ]
}