{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ledger",
  "type": "object",
  "required": ["published_at", "appended_today", "first_publish", "rows"],
  "additionalProperties": false,
  "properties": {
    "published_at": {"type": "string"},
    "appended_today": {"type": "boolean"},
    "first_publish": {"type": ["string", "null"]},
    "rows": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["published_at", "date"],
        "properties": {
          "published_at": {"type": "string"},
          "date": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$"},
          "gauge_yoy_pct": {"type": ["number", "null"]},
          "gauge_as_of": {"type": ["string", "null"]},
          "tracker_yoy_pct": {"type": ["number", "null"]},
          "tracker_as_of": {"type": ["string", "null"]},
          "col_yoy_pct": {"type": ["number", "null"]},
          "col_as_of": {"type": ["string", "null"]},
          "supercore_yoy_pct": {"type": ["number", "null"]},
          "supercore_as_of": {"type": ["string", "null"]},
          "pce_yoy_pct": {"type": ["number", "null"]},
          "pce_as_of": {"type": ["string", "null"]},
          "official_month": {"type": ["string", "null"]},
          "official_yoy_pct": {"type": ["number", "null"]},
          "coverage_pct": {"type": ["number", "null"]},
          "dc_build_yoy_pct": {"type": ["number", "null"]},
          "dc_build_as_of": {"type": ["string", "null"]},
          "dc_ops_yoy_pct": {"type": ["number", "null"]},
          "dc_ops_as_of": {"type": ["string", "null"]},
          "dc_hardware_yoy_pct": {"type": ["number", "null"]},
          "dc_hardware_as_of": {"type": ["string", "null"]}
        }
      }
    }
  }
}