{
  "schema_version": "v1",
  "updated_at": "2026-09-28T14:05:14Z",
  "observations": [
    {
      "id": "b004aafc1675ceaa",
      "observed_on": "2026-09-28",
      "source_url": "https://www.thehindu.com/news/national/andhra-pradesh/indian-railways-approves-new-tri-weekly-train-between-machilipatnam-and-kurnool-city/article71519940.ece",
      "source_domain": "thehindu.com",
      "source_seen_at": "20260928T140200Z",
      "title": "Indian Railways approves new tri-weekly train Between Machilipatnam and Kurnool City",
      "topic": "cities",
      "metric_family": "infrastructure_or_service",
      "change_kind": "approval",
      "stage": "approved",
      "evidence_strength": "medium",
      "genuine_progress_probability": 0.79,
      "significance_score": 1.71
    }
  ]
}