{
  "release_rows": 18657314,
  "sample_rows": 5076,
  "strata": [
    {
      "stratum": "census: 10-KT, every row",
      "rule": "bf = '10-KT'",
      "unit": "chain",
      "target": null,
      "floor_units": 150,
      "n_for_floor": null,
      "n_for_year_range": null,
      "binding": [],
      "in_release": 486,
      "in_sample": 486,
      "chains_in_sample": 65,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": true
    },
    {
      "stratum": "census: 10-QT, every row",
      "rule": "bf = '10-QT'",
      "unit": "chain",
      "target": null,
      "floor_units": 150,
      "n_for_floor": null,
      "n_for_year_range": null,
      "binding": [],
      "in_release": 100,
      "in_sample": 100,
      "chains_in_sample": 9,
      "years_in_sample": 17,
      "years_in_release": 17,
      "complete": true
    },
    {
      "stratum": "state: unverifiable_at_release, every row",
      "rule": "ls = 'unverifiable_at_release'",
      "unit": "row",
      "target": null,
      "floor_units": 150,
      "n_for_floor": null,
      "n_for_year_range": null,
      "binding": [],
      "in_release": 0,
      "in_sample": 0,
      "chains_in_sample": 0,
      "years_in_sample": 0,
      "years_in_release": 0,
      "complete": true
    },
    {
      "stratum": "state: no_prior_filing_in_corpus",
      "rule": "ls = 'no_prior_filing_in_corpus'",
      "unit": "row",
      "target": 250,
      "floor_units": 150,
      "n_for_floor": 150,
      "n_for_year_range": 655,
      "binding": [
        "year-range"
      ],
      "in_release": 1248,
      "in_sample": 655,
      "chains_in_sample": 0,
      "years_in_sample": 17,
      "years_in_release": 17,
      "complete": false
    },
    {
      "stratum": "state: unresolved_prior_exists",
      "rule": "ls = 'unresolved_prior_exists'",
      "unit": "row",
      "target": 250,
      "floor_units": 150,
      "n_for_floor": 150,
      "n_for_year_range": 181,
      "binding": [],
      "in_release": 2813,
      "in_sample": 250,
      "chains_in_sample": 0,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "stratum: 10-K linked",
      "rule": "bf = '10-K'  AND ls = 'linked'",
      "unit": "chain",
      "target": 350,
      "floor_units": 150,
      "n_for_floor": 150,
      "n_for_year_range": 61,
      "binding": [],
      "in_release": 21287,
      "in_sample": 350,
      "chains_in_sample": 350,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "stratum: 10-Q linked",
      "rule": "bf = '10-Q'  AND ls = 'linked'",
      "unit": "chain",
      "target": 350,
      "floor_units": 150,
      "n_for_floor": 150,
      "n_for_year_range": 158,
      "binding": [],
      "in_release": 19225,
      "in_sample": 350,
      "chains_in_sample": 350,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "stratum: 20-F linked",
      "rule": "bf = '20-F'  AND ls = 'linked'",
      "unit": "chain",
      "target": 350,
      "floor_units": 150,
      "n_for_floor": 151,
      "n_for_year_range": 67,
      "binding": [],
      "in_release": 2271,
      "in_sample": 350,
      "chains_in_sample": 345,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "stratum: 40-F linked",
      "rule": "bf = '40-F'  AND ls = 'linked'",
      "unit": "chain",
      "target": 300,
      "floor_units": 150,
      "n_for_floor": 157,
      "n_for_year_range": 84,
      "binding": [],
      "in_release": 319,
      "in_sample": 300,
      "chains_in_sample": 271,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "stratum: 11-K linked",
      "rule": "bf = '11-K'  AND ls = 'linked'",
      "unit": "chain",
      "target": 241,
      "floor_units": 150,
      "n_for_floor": 176,
      "n_for_year_range": 87,
      "binding": [],
      "in_release": 320,
      "in_sample": 241,
      "chains_in_sample": 198,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "state: unknown_subject",
      "rule": "ls = 'unknown_subject'",
      "unit": "row",
      "target": 900,
      "floor_units": 150,
      "n_for_floor": 150,
      "n_for_year_range": 37,
      "binding": [],
      "in_release": 1661837,
      "in_sample": 900,
      "chains_in_sample": 0,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    },
    {
      "stratum": "state: not_an_amendment",
      "rule": "ls = 'not_an_amendment'",
      "unit": "row",
      "target": 1100,
      "floor_units": 150,
      "n_for_floor": 150,
      "n_for_year_range": 87,
      "binding": [],
      "in_release": 16947902,
      "in_sample": 1100,
      "chains_in_sample": 0,
      "years_in_sample": 18,
      "years_in_release": 18,
      "complete": false
    }
  ],
  "by_state": {
    "linked": 1683,
    "not_an_amendment": 1580,
    "unknown_subject": 900,
    "no_prior_filing_in_corpus": 661,
    "unresolved_prior_exists": 252
  },
  "base_forms": 126,
  "form_types": 161,
  "sample_links": 1683,
  "sample_chains": 1588,
  "col_types": {
    "record_uid": "VARCHAR",
    "release_id": "VARCHAR",
    "product": "VARCHAR",
    "split": "VARCHAR",
    "payload": "VARCHAR",
    "payload_sha": "VARCHAR",
    "tokens": "BIGINT",
    "cik": "VARCHAR",
    "cik10": "VARCHAR",
    "accession": "VARCHAR",
    "company_name": "VARCHAR",
    "filed_at": "VARCHAR",
    "pipeline_sha": "VARCHAR",
    "source_url": "VARCHAR",
    "licence": "VARCHAR",
    "crawler_version": "VARCHAR",
    "contract_version": "VARCHAR",
    "jurisdiction": "VARCHAR",
    "quality_flags": "VARCHAR[]"
  },
  "rows_drawn_across_strata": 5082,
  "rows_in_more_than_one_stratum": 494,
  "double_counted_in_the_stratum_column": 6,
  "overlapping_stratum_pairs": [
    {
      "a": "census: 10-KT, every row",
      "b": "state: no_prior_filing_in_corpus",
      "rows": 10
    },
    {
      "a": "census: 10-KT, every row",
      "b": "state: unresolved_prior_exists",
      "rows": 2
    },
    {
      "a": "census: 10-KT, every row",
      "b": "state: not_an_amendment",
      "rows": 391
    },
    {
      "a": "census: 10-QT, every row",
      "b": "state: no_prior_filing_in_corpus",
      "rows": 2
    },
    {
      "a": "census: 10-QT, every row",
      "b": "state: not_an_amendment",
      "rows": 89
    }
  ],
  "rows_resolvable_in_sample": 92,
  "chains_resolvable_in_sample": 74,
  "closing_forms": [
    "10-KT",
    "10-QT"
  ],
  "floor_units": 150,
  "files": [
    "hsh-amends-sample.parquet",
    "hsh-amends-sample.csv",
    "hsh-amends-sample-flat.csv"
  ]
}