{
  "total": 2,
  "source": "d1",
  "tracking_since": "2026-10-25T12:38:37.716Z",
  "source_rechecks": {
    "rows": 1116,
    "series": 752,
    "last_checked_at": "2026-10-27T05:31:56.000Z",
    "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_507e5f9dab52",
      "series_key": "ps_623c3b3825267b8d",
      "kind": "benchmark",
      "use_case_id": "underwater-search-recovery",
      "use_case_ids": [
        "underwater-search-recovery"
      ],
      "provider_id": null,
      "description": "ROV hire with operator (Spain): €2,300/day; 300 m-rated €5,750/day",
      "low": 2300,
      "high": 5750,
      "currency": "EUR",
      "unit": "per day",
      "region": "ES",
      "source_url": "https://exploracionsubmarina.com/alquiler-rov/",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:507e5f9dab52af5b366ea9a9057d2cb416ddb1f708519ead9106d572a00acd82",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 2573,
        "high": 6433,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.11881,
          "eur_per_usd": 0.89381,
          "rate_date": "2026-10-26",
          "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 2026-10-26, not at the price's as_of date. Indicative only."
      }
    },
    {
      "id": "po_20261025_e5b323d1760f",
      "series_key": "ps_31449280c86b07df",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "hull-inspection-rov",
        "underwater-search-recovery",
        "underwater-filming"
      ],
      "provider_id": "exploracion-submarina",
      "description": "ROV service: €2,300/day (3-5h submerged); €350/hour; 300 m depth service €5,750/day",
      "low": 350,
      "high": 5750,
      "currency": "EUR",
      "unit": "per day / per hour",
      "region": "",
      "source_url": "https://exploracionsubmarina.com/alquiler-rov/",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:e5b323d1760f3db30b13a07d7054eb957166f05ccd376cc635c98718abcfc071",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 392,
        "high": 6433,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.11881,
          "eur_per_usd": 0.89381,
          "rate_date": "2026-10-26",
          "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 2026-10-26, not at the price's as_of date. Indicative only."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_623c3b3825267b8d",
      "kind": "benchmark",
      "use_case_id": "underwater-search-recovery",
      "provider_id": null,
      "description": "ROV hire with operator (Spain): €2,300/day; 300 m-rated €5,750/day",
      "currency": "EUR",
      "unit": "per day",
      "region": "ES",
      "source_url": "https://exploracionsubmarina.com/alquiler-rov/",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 2300,
        "high": 5750,
        "as_of": "2026-10",
        "id": "po_20261025_507e5f9dab52"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T05:28:28.477Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_31449280c86b07df",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "exploracion-submarina",
      "description": "ROV service: €2,300/day (3-5h submerged); €350/hour; 300 m depth service €5,750/day",
      "currency": "EUR",
      "unit": "per day / per hour",
      "region": "",
      "source_url": "https://exploracionsubmarina.com/alquiler-rov/",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 350,
        "high": 5750,
        "as_of": "2026-10",
        "id": "po_20261025_e5b323d1760f"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T05:28:28.477Z",
        "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"
}