{
  "format": "pyarrow-schema-json-v1",
  "table": "funding_events_chip_v0.3_clean_human_v0.2.parquet",
  "event_family": "funding",
  "schema_version": "v0.3.0",
  "fields": [
    {
      "name": "event_id",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "company_id",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "investor_id",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "investor_name",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "raw_investor_name",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "role",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "company_normalized_name",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "company_name_raw",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "round_name",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "announce_date",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "amount_usd",
      "type": "int64",
      "nullable": true
    },
    {
      "name": "per_vc_amount_usd",
      "type": "int64",
      "nullable": true
    },
    {
      "name": "source_table",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "source_url",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "confidence",
      "type": "double",
      "nullable": false
    },
    {
      "name": "schema_version",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "investor_type",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "event_type",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "event_subtype",
      "type": "large_string",
      "nullable": true
    },
    {
      "name": "position_change_shares",
      "type": "int64",
      "nullable": true
    },
    {
      "name": "position_value_usd",
      "type": "int64",
      "nullable": true
    },
    {
      "name": "data_source",
      "type": "large_string",
      "nullable": false
    },
    {
      "name": "metadata_json",
      "type": "large_string",
      "nullable": false
    }
  ],
  "metadata_order": [
    "schema_version",
    "company_entity"
  ],
  "metadata": {
    "company_entity": "companies_chip_subset_entity_v0.3.parquet",
    "schema_version": "v0.3.0"
  },
  "event_type_enum": [
    "acquired",
    "company_closed",
    "funding_failed",
    "funding_round",
    "funding_withdrawn",
    "ipo_completed",
    "ipo_filed",
    "ipo_withdrawn"
  ],
  "event_type_definitions": {
    "acquired": "The company is the target of an acquisition outcome; the buyer belongs in acquirer fields.",
    "company_closed": "The company ceased operations, shut down, dissolved, or liquidated; excludes layoffs or restructuring alone.",
    "funding_failed": "A financing attempt explicitly reported as failed or unable to close; excludes a completed round.",
    "funding_round": "A successfully announced or completed priced financing round; excludes failed or withdrawn attempts.",
    "funding_withdrawn": "A previously pursued financing explicitly withdrawn or cancelled; excludes a completed round.",
    "ipo_completed": "The IPO or public listing completed and public trading began.",
    "ipo_filed": "The company formally filed or registered for an IPO that has not yet completed.",
    "ipo_withdrawn": "A filed or announced IPO process was formally withdrawn or cancelled before completion."
  }
}