{
 "kind": "nuclear_explosion",
 "date": "2026-09-11",
 "built_utc": "2026-09-11T12:12:41+00:00",
 "rows": 2035,
 "bytes": 285991,
 "sha256": "40e29f7aeb22e0d37dac28e1102037a2d4dfb1458a5ec28a0712995977513c4f",
 "columns": [
  {
   "name": "slot_id",
   "dtype": "String"
  },
  {
   "name": "kind",
   "dtype": "String"
  },
  {
   "name": "name",
   "dtype": "String"
  },
  {
   "name": "start_utc",
   "dtype": "String"
  },
  {
   "name": "end_utc",
   "dtype": "String"
  },
  {
   "name": "lat",
   "dtype": "Float64"
  },
  {
   "name": "lon",
   "dtype": "Float64"
  },
  {
   "name": "n_obs",
   "dtype": "Float64"
  },
  {
   "name": "conducting_state",
   "dtype": "String"
  },
  {
   "name": "operation",
   "dtype": "String"
  },
  {
   "name": "type",
   "dtype": "String"
  },
  {
   "name": "purpose",
   "dtype": "String"
  },
  {
   "name": "delivery",
   "dtype": "String"
  },
  {
   "name": "burst_type",
   "dtype": "String"
  },
  {
   "name": "region",
   "dtype": "String"
  }
 ],
 "slot_id_column": "slot_id",
 "time_column": "start_utc",
 "sorted_by": [
  "start_utc",
  "slot_id"
 ],
 "row_groups": "one per year",
 "span": {
  "start": "1945-07-16T12:29:00+00:00",
  "end": "1992-09-23T15:04:00.00+00:00"
 },
 "source_file": "event_storehouse/nuclear_explosion/_manifest.parquet",
 "url": "https://data.terrapulse.info/dex/nuclear_explosion/2026-09-11.parquet",
 "latest_url": "https://data.terrapulse.info/dex/nuclear_explosion/latest.parquet",
 "family": "eventdex",
 "storage": "dossier",
 "n_slots_api": 2035,
 "sources": [
  "doe_nv209",
  "dna_6039f",
  "dna_6028f",
  "dna_6032f",
  "dna_6033f",
  "dna_6022f",
  "dna_6034f",
  "dna_6023f",
  "dna_6019f",
  "dna_6036f",
  "dna_6014f",
  "dna_6035f",
  "dna_6009f",
  "dna_6037f",
  "dna_6005f",
  "dna_6038f",
  "dna_6026f",
  "dna_6040f",
  "dna_6027f",
  "dtra_tr_16_070",
  "ndl_tr34",
  "uk_hurricane_pm_statement",
  "uk_hurricane_trial_report",
  "lanl_la8819",
  "dtra_semipalatinsk",
  "lanl_hawkins_2013",
  "mikhailov_1996",
  "fr_mindef_2006_polynesie"
 ],
 "licence_basis": "US federal works (DOE catalog; DNA/DoD reports; LANL report LA-8819 served openly by DOE's OSTI) - public domain by statute (17 U.S.C. 105). UK Crown documents (Hurricane): published Crown copyright of 1952-53 expired (50-year term); TNA public records reusable under the Open Government Licence. USSR catalog (Mikhailov 1996, 715 tests): the official release of two Russian state ministries, carrying no copyright notice or rights reservation - official documents of state bodies are excluded from copyright by Russian Civil Code Art. 1259(6). French Pacific programme (Ministere de la defense 2006, Annexe 2, 166 tests): official publication of the French defence ministry. For both non-US lanes the dex takes FIELDS ONLY - dates, times, places, energies - never prose; facts are not copyrightable subject matter (ruling: Mike, 2026-09-05, ../terrapulse/docs/source-licences.md).",
 "commercial_use": true,
 "cite": "TerraPulse (terrapulse.info) for the organizing; the sources above for the measurements, as their licence requires."
}