{
  "total": 2,
  "source": "d1",
  "tracking_since": "2026-10-25T12:38:37.716Z",
  "source_rechecks": {
    "rows": 1117,
    "series": 752,
    "last_checked_at": "2026-10-27T07:49:20.000Z",
    "latest_result_counts": {
      "confirmed": 706,
      "changed": 5,
      "unreachable": 21,
      "needs_review": 2,
      "partial": 7,
      "not_found_on_page": 11
    },
    "method": "Each source URL is fetched and the recorded numbers are looked for in the page (PDFs via pdftotext); anything not confirmed is reviewed by a human. Log: /downloads/price_rechecks.jsonl"
  },
  "observations": [
    {
      "id": "po_20261025_c6351eba1337",
      "series_key": "ps_16792f0328caae21",
      "kind": "benchmark",
      "use_case_id": "drone-cargo-heavy-lift",
      "use_case_ids": [
        "drone-cargo-heavy-lift"
      ],
      "provider_id": null,
      "description": "DJI FlyCart 30 heavy-lift delivery drone, aircraft only (batteries, charger, winch extra), US authorized dealer Vertex Unmanned",
      "low": 20560,
      "high": 20560,
      "currency": "USD",
      "unit": "per drone",
      "region": "US",
      "source_url": "https://store.vertexunmanned.com/collections/dji-flycart-30",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T16:36:25.503Z",
      "content_hash": "sha256:c6351eba133792fa42c0928dd686db71c259fc1ec2fc63b64f64274555b926e5",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 20560,
        "high": 20560,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_96981dcba59c",
      "series_key": "ps_697a69cdbcc1cec0",
      "kind": "benchmark",
      "use_case_id": "drone-cargo-heavy-lift",
      "use_case_ids": [
        "drone-cargo-heavy-lift"
      ],
      "provider_id": null,
      "description": "DJI FlyCart 100 heavy-lift delivery drone (aircraft only), US dealer price — Drone Nerds",
      "low": 21818,
      "high": 21818,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.dronenerds.com/products/dji-flycart-100",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T19:43:25.629Z",
      "content_hash": "sha256:96981dcba59cfc476ff09f37060a907e1c0f51f3dd537f4931f65eaafe52eb66",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 21818,
        "high": 21818,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_16792f0328caae21",
      "kind": "benchmark",
      "use_case_id": "drone-cargo-heavy-lift",
      "provider_id": null,
      "description": "DJI FlyCart 30 heavy-lift delivery drone, aircraft only (batteries, charger, winch extra), US authorized dealer Vertex Unmanned",
      "currency": "USD",
      "unit": "per drone",
      "region": "US",
      "source_url": "https://store.vertexunmanned.com/collections/dji-flycart-30",
      "observations": 1,
      "first_observed_at": "2026-10-25T16:36:25.503Z",
      "last_observed_at": "2026-10-25T16:36:25.503Z",
      "current": true,
      "latest": {
        "low": 20560,
        "high": 20560,
        "as_of": "2026-10-25",
        "id": "po_20261025_c6351eba1337"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_697a69cdbcc1cec0",
      "kind": "benchmark",
      "use_case_id": "drone-cargo-heavy-lift",
      "provider_id": null,
      "description": "DJI FlyCart 100 heavy-lift delivery drone (aircraft only), US dealer price — Drone Nerds",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.dronenerds.com/products/dji-flycart-100",
      "observations": 1,
      "first_observed_at": "2026-10-25T19:43:25.629Z",
      "last_observed_at": "2026-10-25T19:43:25.629Z",
      "current": true,
      "latest": {
        "low": 21818,
        "high": 21818,
        "as_of": "2026-10-25",
        "id": "po_20261025_96981dcba59c"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    }
  ],
  "note": "Only one observation per series so far: we started recording every price on 2026-10-25 and re-check every source on a schedule. A trend appears when a re-checked source shows a different price (we never overwrite old observations).",
  "pagination": {
    "total": 2,
    "limit": 200,
    "offset": 0,
    "returned": 2,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}