{
  "package": "statmapcorpus-v2",
  "generated_at": "2026-10-07T15:07:36+00:00",
  "note": "schema.json is not listed below: a checksum file cannot carry its own checksum. Verify the other files with: shasum -a 256 <file>",
  "files": [
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      "file": "candidates.parquet",
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      "rows": 203371,
      "sha256": "f26d09f52b9102a129541c9503722bcc738d31a5cfbaefe1cc61ff6c24df9202",
      "note": "all Stage 3 candidates with the outcome of each step (see CODEBOOK.md)",
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        {
          "name": "url",
          "dtype": "string"
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        {
          "name": "domain",
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        {
          "name": "keyword_score",
          "dtype": "double"
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          "name": "pred_proba",
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        },
        {
          "name": "url_status",
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          "name": "download_status",
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          "name": "image_width",
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        {
          "name": "image_height",
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        {
          "name": "image_format",
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          "name": "gate1_pass",
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          "name": "gate2_is_map",
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          "name": "gate2_map_dominant",
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          "name": "gate2_pass",
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        {
          "name": "gate3_is_statistical",
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          "name": "gate3_admin_units",
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        },
        {
          "name": "gate3_quantitative",
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        {
          "name": "gate3_has_text",
          "dtype": "bool"
        },
        {
          "name": "gate3_language",
          "dtype": "string"
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          "name": "gate3_pass",
          "dtype": "bool"
        },
        {
          "name": "gate4_n_types",
          "dtype": "int64"
        },
        {
          "name": "gate4_pass",
          "dtype": "bool"
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          "name": "in_corpus",
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      "note": "the main table: one row per map; identifiers and provenance, image properties and checksums, labels",
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        },
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        },
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          "name": "image_size_bytes",
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        },
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          "name": "retrieved_at",
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          "name": "short_description",
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          "name": "has_text",
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        {
          "name": "method_choropleth",
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        {
          "name": "method_diagrams",
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          "name": "method_dot_density",
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          "name": "method_isolines",
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          "name": "method_cartogram",
          "dtype": "bool"
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          "name": "method_flow_map",
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          "name": "method_heat_map",
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          "name": "methods_count",
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          "name": "legend_is_classed",
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          "name": "classification_confidence",
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        },
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          "name": "is_duplicate_byte",
          "dtype": "bool"
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          "name": "duplicate_group_id",
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          "name": "annotated_at",
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      "sha256": "cbc3a5f240d91751f6e89ca55558b64fc685f11274d3f2448ac7138bb2c2e35a",
      "note": "CLIP ViT-L/14 image embeddings, float32, source precision from MapPool; L2-normalised at source",
      "columns": [
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          "name": "uids",
          "dtype": "str"
        },
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          "name": "emb",
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    {
      "file": "download_images.py",
      "bytes": 11371,
      "sha256": "18c93a2c7c7bde97ad809a3867bb412832847b78cefe92fef3771ee8584826df",
      "note": "script: retrieves the source images and verifies each download against sha256 / phash (MIT)"
    },
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      "file": "negative_keywords.json",
      "bytes": 55707,
      "sha256": "1a7036b2cd66ae3678e6d2e049e9279a3f3277245cdb330cc996dda218869b39",
      "note": "Stage 1 dictionary: counter-indicative phrases and their weights"
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      "file": "positive_keywords.json",
      "bytes": 56917,
      "sha256": "cc28afe409bd03e193f720190152a532c523f77f8df963c46dedc982034d6b6a",
      "note": "Stage 1 dictionary: map-indicative phrases and their weights, matched against the MapPool alt-text"
    },
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      "file": "CODEBOOK.md",
      "bytes": 21556,
      "sha256": "49afccb3ab533d8664ea952808b473bcf6e38271407504e8c3def1abbc253d1b",
      "note": "every column: type, observed values, caveats for analysis"
    },
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      "file": "DATASHEET.md",
      "bytes": 7782,
      "sha256": "c3a87ce413e0e057730a04b9b4fd56f0d93b8a3894391a5d051f1f2d2a3f407a",
      "note": "motivation, composition, collection process, limitations"
    },
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      "file": "NOTICE.md",
      "bytes": 3966,
      "sha256": "d62d3cbd86bb51042f3cec7c33dd4c1d43cea557f690742f5c750d6ca183673e",
      "note": "attribution, derivation chain, licensing, removal procedure"
    },
    {
      "file": "README.md",
      "bytes": 8918,
      "sha256": "093941c418f84757d602d75d79f3c01bd4bcf2dbf4a0958a19875eb7b074ca04",
      "note": "what the corpus is, what changed from version 1, how it was built, how to fetch the images"
    },
    {
      "file": "VALIDATION.md",
      "bytes": 11712,
      "sha256": "3271c72b476fe7c0c22199d22f0f833e1de21d2d120a358676fbf55da1249e16",
      "note": "results of the technical validation"
    },
    {
      "file": "validation.csv",
      "bytes": 853393,
      "rows": 11718,
      "sha256": "dc9ae97239858e298ddba6c586f3fb487b7951e713583016cc80404edd746666",
      "note": "human and repeat-run labels of the technical validation (see CODEBOOK.md)",
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          "name": "block",
          "dtype": "string"
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        {
          "name": "uid",
          "dtype": "string"
        },
        {
          "name": "stratum",
          "dtype": "string"
        },
        {
          "name": "source",
          "dtype": "string"
        },
        {
          "name": "field",
          "dtype": "string"
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          "name": "value",
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          "name": "inclusion_probability",
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          "name": "population_n",
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        {
          "name": "response_time_s",
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      ]
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  ]
}