{
  "total": 4,
  "source": "d1",
  "tracking_since": "2026-10-25T12:38:37.716Z",
  "source_rechecks": {
    "rows": 1118,
    "series": 752,
    "last_checked_at": "2026-10-27T19:38:25.000Z",
    "latest_result_counts": {
      "confirmed": 706,
      "changed": 6,
      "unreachable": 20,
      "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_5687d99938ca",
      "series_key": "ps_5e8fd757d65ce207",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "wildlife-survey-drone",
        "livestock-monitoring"
      ],
      "provider_id": "alabama-drone-pros",
      "description": "Wildlife assessment & herd count (cattle/horse headcount incl.), first 100 acres; +$75 per extra 50 wooded acres, +$50 per extra 50 open acres",
      "low": 400,
      "high": null,
      "currency": "USD",
      "unit": "per survey",
      "region": "US",
      "source_url": "https://alabamadronepros.com/services/wildlife-assessment",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T18:35:04.403Z",
      "content_hash": "sha256:5687d99938cae2c7d52f3c397fe90119621c94d1232cd29b6cda91fb7d486e5d",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 400,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_1150af177e93",
      "series_key": "ps_a0c67025aed59679",
      "kind": "benchmark",
      "use_case_id": "livestock-monitoring",
      "use_case_ids": [
        "livestock-monitoring"
      ],
      "provider_id": null,
      "description": "Drone livestock count, one-off pass on a typical holding (headcount + position log) (C-DRONE price guide, France, observed 2026 range, excl. VAT)",
      "low": 150,
      "high": 350,
      "currency": "EUR",
      "unit": "per pass",
      "region": "FR",
      "source_url": "https://c-drone.fr/en/guides/livestock-counting-monitoring-drone-thermal-price/",
      "as_of": "2026-09-22",
      "observed_at": "2026-10-25T22:32:28.284Z",
      "content_hash": "sha256:1150af177e93e8b8696da60a6e0aa8e532c608824fc3f0a207d8ba90b73c48a1",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 167,
        "high": 390,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.115,
          "eur_per_usd": 0.89686,
          "rate_date": "2026-10-27",
          "source": "European Central Bank reference rates via Frankfurter",
          "source_url": "https://api.frankfurter.dev/v1/latest?base=USD"
        },
        "note": "Converted at the published reference rate on 2026-10-27, not at the price's as_of date. Indicative only."
      }
    },
    {
      "id": "po_20261025_2e29182452d6",
      "series_key": "ps_943c035a2304cdaf",
      "kind": "benchmark",
      "use_case_id": "livestock-monitoring",
      "use_case_ids": [
        "livestock-monitoring"
      ],
      "provider_id": null,
      "description": "Emergency drone search for a stray animal, rapid response (C-DRONE price guide, France, observed 2026 range, excl. VAT)",
      "low": 150,
      "high": 300,
      "currency": "EUR",
      "unit": "per mission",
      "region": "FR",
      "source_url": "https://c-drone.fr/en/guides/livestock-counting-monitoring-drone-thermal-price/",
      "as_of": "2026-09-22",
      "observed_at": "2026-10-25T22:32:28.284Z",
      "content_hash": "sha256:2e29182452d6520c529e8e522038ef31d2355057a1aaf6d9218bf1c132d7c72b",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 167,
        "high": 335,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.115,
          "eur_per_usd": 0.89686,
          "rate_date": "2026-10-27",
          "source": "European Central Bank reference rates via Frankfurter",
          "source_url": "https://api.frankfurter.dev/v1/latest?base=USD"
        },
        "note": "Converted at the published reference rate on 2026-10-27, not at the price's as_of date. Indicative only."
      }
    },
    {
      "id": "po_20261025_fdc7f75a16dc",
      "series_key": "ps_4079587e21f890cb",
      "kind": "benchmark",
      "use_case_id": "livestock-monitoring",
      "use_case_ids": [
        "livestock-monitoring"
      ],
      "provider_id": null,
      "description": "Drone livestock monitoring through calving season, monthly package of several passes (C-DRONE price guide, France, observed 2026 range, excl. VAT)",
      "low": 400,
      "high": 900,
      "currency": "EUR",
      "unit": "per month",
      "region": "FR",
      "source_url": "https://c-drone.fr/en/guides/livestock-counting-monitoring-drone-thermal-price/",
      "as_of": "2026-09-22",
      "observed_at": "2026-10-25T22:32:28.284Z",
      "content_hash": "sha256:fdc7f75a16dc13b9edae22a72f26d33e94d3eda92e13c2c9e05357b0c6ccccdd",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 446,
        "high": 1004,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.115,
          "eur_per_usd": 0.89686,
          "rate_date": "2026-10-27",
          "source": "European Central Bank reference rates via Frankfurter",
          "source_url": "https://api.frankfurter.dev/v1/latest?base=USD"
        },
        "note": "Converted at the published reference rate on 2026-10-27, not at the price's as_of date. Indicative only."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_5e8fd757d65ce207",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "alabama-drone-pros",
      "description": "Wildlife assessment & herd count (cattle/horse headcount incl.), first 100 acres; +$75 per extra 50 wooded acres, +$50 per extra 50 open acres",
      "currency": "USD",
      "unit": "per survey",
      "region": "US",
      "source_url": "https://alabamadronepros.com/services/wildlife-assessment",
      "observations": 1,
      "first_observed_at": "2026-10-25T18:35:04.403Z",
      "last_observed_at": "2026-10-25T18:35:04.403Z",
      "current": true,
      "latest": {
        "low": 400,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_5687d99938ca"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_a0c67025aed59679",
      "kind": "benchmark",
      "use_case_id": "livestock-monitoring",
      "provider_id": null,
      "description": "Drone livestock count, one-off pass on a typical holding (headcount + position log) (C-DRONE price guide, France, observed 2026 range, excl. VAT)",
      "currency": "EUR",
      "unit": "per pass",
      "region": "FR",
      "source_url": "https://c-drone.fr/en/guides/livestock-counting-monitoring-drone-thermal-price/",
      "observations": 1,
      "first_observed_at": "2026-10-25T22:32:28.284Z",
      "last_observed_at": "2026-10-25T22:32:28.284Z",
      "current": true,
      "latest": {
        "low": 150,
        "high": 350,
        "as_of": "2026-09-22",
        "id": "po_20261025_1150af177e93"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_943c035a2304cdaf",
      "kind": "benchmark",
      "use_case_id": "livestock-monitoring",
      "provider_id": null,
      "description": "Emergency drone search for a stray animal, rapid response (C-DRONE price guide, France, observed 2026 range, excl. VAT)",
      "currency": "EUR",
      "unit": "per mission",
      "region": "FR",
      "source_url": "https://c-drone.fr/en/guides/livestock-counting-monitoring-drone-thermal-price/",
      "observations": 1,
      "first_observed_at": "2026-10-25T22:32:28.284Z",
      "last_observed_at": "2026-10-25T22:32:28.284Z",
      "current": true,
      "latest": {
        "low": 150,
        "high": 300,
        "as_of": "2026-09-22",
        "id": "po_20261025_2e29182452d6"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_4079587e21f890cb",
      "kind": "benchmark",
      "use_case_id": "livestock-monitoring",
      "provider_id": null,
      "description": "Drone livestock monitoring through calving season, monthly package of several passes (C-DRONE price guide, France, observed 2026 range, excl. VAT)",
      "currency": "EUR",
      "unit": "per month",
      "region": "FR",
      "source_url": "https://c-drone.fr/en/guides/livestock-counting-monitoring-drone-thermal-price/",
      "observations": 1,
      "first_observed_at": "2026-10-25T22:32:28.284Z",
      "last_observed_at": "2026-10-25T22:32:28.284Z",
      "current": true,
      "latest": {
        "low": 400,
        "high": 900,
        "as_of": "2026-09-22",
        "id": "po_20261025_fdc7f75a16dc"
      },
      "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": 4,
    "limit": 200,
    "offset": 0,
    "returned": 4,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}