{
  "total": 6,
  "source": "d1",
  "tracking_since": "2026-10-25T12:38:37.716Z",
  "source_rechecks": {
    "rows": 332,
    "series": 250,
    "last_checked_at": "2026-10-25T13:38:37.000Z",
    "latest_result_counts": {
      "confirmed": 240,
      "unreachable": 5,
      "needs_review": 4,
      "changed": 1
    },
    "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_083eb36c5239",
      "series_key": "ps_2bfe7de04f4d1c96",
      "kind": "benchmark",
      "use_case_id": "robotic-pool-cleaning",
      "use_case_ids": [
        "robotic-pool-cleaning"
      ],
      "provider_id": null,
      "description": "Weekly professional pool service (the alternative a robot replaces for cleaning)",
      "low": 100,
      "high": 150,
      "currency": "USD",
      "unit": "per month",
      "region": "US",
      "source_url": "https://www.poolrobots.com/pool-maintenance-cost/",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:083eb36c5239f62726770651ee2a47f02c788d310ae2805f70b14f887e1ad5de",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 100,
        "high": 150,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_3416faa31955",
      "series_key": "ps_b8f5b95ec0b60bd3",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robotic-pool-cleaning",
        "pool-tank-underwater-cleaning"
      ],
      "provider_id": "maytronics-dolphin",
      "description": "Dolphin Nautilus CC Supreme residential robotic pool cleaner, Maytronics US store",
      "low": 1449,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.maytronics.com/en-us/store/",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T15:37:55.713Z",
      "content_hash": "sha256:3416faa31955071dd58798fe8edeb882e3561c5bbfbd482c87832ff7b7440dea",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 1449,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_a49f403a5625",
      "series_key": "ps_23be9b838dc2672d",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robotic-pool-cleaning",
        "pool-tank-underwater-cleaning"
      ],
      "provider_id": "maytronics-dolphin",
      "description": "Dolphin Sigma flagship residential robotic pool cleaner, Maytronics US store",
      "low": 2999,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.maytronics.com/en-us/store/residential-pools/best-performance-cleaners/dolphin-sigma/99991036-SPLI.html",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T15:37:55.713Z",
      "content_hash": "sha256:a49f403a562529b4edb670903836db477a554f5b5fa3aa8dd614408a10de66a3",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 2999,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_f7e87395451e",
      "series_key": "ps_8b53507351841b86",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robotic-pool-cleaning",
        "pool-tank-underwater-cleaning"
      ],
      "provider_id": "maytronics-dolphin",
      "description": "Dolphin Nautilus CC Plus w/ Wi-Fi residential robotic pool cleaner, Maytronics US store",
      "low": 849,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.maytronics.com/en-us/store/",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T15:37:55.713Z",
      "content_hash": "sha256:f7e87395451ef3e490181b79463eac24e762f22f4552e5262aad8050c8968be0",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 849,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_0763f1c219b2",
      "series_key": "ps_6de42ed32eb55bbd",
      "kind": "provider_published",
      "use_case_id": "robotic-pool-cleaning",
      "use_case_ids": [
        "robotic-pool-cleaning"
      ],
      "provider_id": "zodiac-pool-care-spain",
      "description": "Zodiac cordless robotic pool cleaner Freedom Lite, recommended retail price incl. VAT; other electric robots on the store range up to €1,689",
      "low": 649,
      "high": 1689,
      "currency": "EUR",
      "unit": "per unit",
      "region": "ES",
      "source_url": "https://www.zodiac-poolcare.es/es/productos/limpiafondos-automaticos/limpiafondos-electricos-residenciales-sin-cable/freedom-lite-p",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T18:35:04.403Z",
      "content_hash": "sha256:0763f1c219b22d88bca04f003d11e0b52d41016a0734fdb9b455c465d2a12e33",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": false,
      "usd": {
        "currency": "USD",
        "low": 726,
        "high": 1890,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.11929,
          "eur_per_usd": 0.89342,
          "rate_date": "2026-10-23",
          "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 2026-10-23, not at the price's as_of date. Indicative only."
      }
    },
    {
      "id": "po_20261025_625c4ae8df83",
      "series_key": "ps_2a8a14814edbcc60",
      "kind": "provider_published",
      "use_case_id": "robotic-pool-cleaning",
      "use_case_ids": [
        "robotic-pool-cleaning"
      ],
      "provider_id": "zodiac-pool-care-spain",
      "description": "Zodiac Freedom Lite cordless robotic pool cleaner, recommended retail price incl. VAT (PVP recomendado)",
      "low": 649,
      "high": 649,
      "currency": "EUR",
      "unit": "per unit",
      "region": "ES",
      "source_url": "https://www.zodiac-poolcare.es/es/productos/limpiafondos-automaticos/limpiafondos-electricos-residenciales-sin-cable/freedom-lite-p",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T19:43:25.629Z",
      "content_hash": "sha256:625c4ae8df83b154d333491a5061913c1ae7e2c0726f4d41ee95f765f51d9772",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 726,
        "high": 726,
        "fx": {
          "pair": "EUR/USD",
          "rate": 1.11929,
          "eur_per_usd": 0.89342,
          "rate_date": "2026-10-23",
          "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 2026-10-23, not at the price's as_of date. Indicative only."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_2bfe7de04f4d1c96",
      "kind": "benchmark",
      "use_case_id": "robotic-pool-cleaning",
      "provider_id": null,
      "description": "Weekly professional pool service (the alternative a robot replaces for cleaning)",
      "currency": "USD",
      "unit": "per month",
      "region": "US",
      "source_url": "https://www.poolrobots.com/pool-maintenance-cost/",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 100,
        "high": 150,
        "as_of": "2026-10",
        "id": "po_20261025_083eb36c5239"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_b8f5b95ec0b60bd3",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "maytronics-dolphin",
      "description": "Dolphin Nautilus CC Supreme residential robotic pool cleaner, Maytronics US store",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.maytronics.com/en-us/store/",
      "observations": 1,
      "first_observed_at": "2026-10-25T15:37:55.713Z",
      "last_observed_at": "2026-10-25T15:37:55.713Z",
      "current": true,
      "latest": {
        "low": 1449,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_3416faa31955"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_23be9b838dc2672d",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "maytronics-dolphin",
      "description": "Dolphin Sigma flagship residential robotic pool cleaner, Maytronics US store",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.maytronics.com/en-us/store/residential-pools/best-performance-cleaners/dolphin-sigma/99991036-SPLI.html",
      "observations": 1,
      "first_observed_at": "2026-10-25T15:37:55.713Z",
      "last_observed_at": "2026-10-25T15:37:55.713Z",
      "current": true,
      "latest": {
        "low": 2999,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_a49f403a5625"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_8b53507351841b86",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "maytronics-dolphin",
      "description": "Dolphin Nautilus CC Plus w/ Wi-Fi residential robotic pool cleaner, Maytronics US store",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.maytronics.com/en-us/store/",
      "observations": 1,
      "first_observed_at": "2026-10-25T15:37:55.713Z",
      "last_observed_at": "2026-10-25T15:37:55.713Z",
      "current": true,
      "latest": {
        "low": 849,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_f7e87395451e"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_6de42ed32eb55bbd",
      "kind": "provider_published",
      "use_case_id": "robotic-pool-cleaning",
      "provider_id": "zodiac-pool-care-spain",
      "description": "Zodiac cordless robotic pool cleaner Freedom Lite, recommended retail price incl. VAT; other electric robots on the store range up to €1,689",
      "currency": "EUR",
      "unit": "per unit",
      "region": "ES",
      "source_url": "https://www.zodiac-poolcare.es/es/productos/limpiafondos-automaticos/limpiafondos-electricos-residenciales-sin-cable/freedom-lite-p",
      "observations": 1,
      "first_observed_at": "2026-10-25T18:35:04.403Z",
      "last_observed_at": "2026-10-25T18:35:04.403Z",
      "current": false,
      "latest": {
        "low": 649,
        "high": 1689,
        "as_of": "2026-10-25",
        "id": "po_20261025_0763f1c219b2"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_2a8a14814edbcc60",
      "kind": "provider_published",
      "use_case_id": "robotic-pool-cleaning",
      "provider_id": "zodiac-pool-care-spain",
      "description": "Zodiac Freedom Lite cordless robotic pool cleaner, recommended retail price incl. VAT (PVP recomendado)",
      "currency": "EUR",
      "unit": "per unit",
      "region": "ES",
      "source_url": "https://www.zodiac-poolcare.es/es/productos/limpiafondos-automaticos/limpiafondos-electricos-residenciales-sin-cable/freedom-lite-p",
      "observations": 1,
      "first_observed_at": "2026-10-25T19:43:25.629Z",
      "last_observed_at": "2026-10-25T19:43:25.629Z",
      "current": true,
      "latest": {
        "low": 649,
        "high": 649,
        "as_of": "2026-10-25",
        "id": "po_20261025_625c4ae8df83"
      },
      "trend": null,
      "last_rechecked": null
    }
  ],
  "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": 6,
    "limit": 200,
    "offset": 0,
    "returned": 6,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}