{
  "total": 4,
  "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_2e01c6811071",
      "series_key": "ps_00e81ece31d8b05a",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "high-rise-window-cleaning",
        "drone-pressure-washing",
        "solar-panel-cleaning-home"
      ],
      "provider_id": "vista-drone-cleaning",
      "description": "Drone window/facade cleaning, fixed quote after survey, no minimum",
      "low": 0.12,
      "high": 0.25,
      "currency": "USD",
      "unit": "per sq ft of glass",
      "region": "",
      "source_url": "https://vistadronecleaning.com/high-rise-window-cleaning",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:2e01c681107154f801bbdc64253a9cb844a21ff3754f7b1313d3847604fada93",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 0.12,
        "high": 0.25,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_a3cac7729c70",
      "series_key": "ps_47e7fa07ae790d08",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "drone-pressure-washing",
        "high-rise-window-cleaning",
        "solar-panel-cleaning-home"
      ],
      "provider_id": "exterior-drone-washing",
      "description": "Drone roof soft wash: commercial $0.12-$0.25/sq ft; homes up to 3,000 sq ft $0.25-$0.35/sq ft",
      "low": 0.12,
      "high": 0.35,
      "currency": "USD",
      "unit": "per sq ft",
      "region": "",
      "source_url": "https://exteriordronewashing.com/services/drone-roof-cleaning",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:a3cac7729c70a9a56c1d116c70b00502e807f586befbe717e8aff220da058a72",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 0.12,
        "high": 0.35,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_b36f321a3097",
      "series_key": "ps_bc7f91db191c45aa",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "drone-pressure-washing",
        "high-rise-window-cleaning",
        "solar-panel-cleaning-home"
      ],
      "provider_id": "exterior-drone-washing",
      "description": "Drone facade, window and building cleaning in Maine: published national commercial rate, fixed after a free site survey, no minimum (maintenance contracts 20-30% lower per visit)",
      "low": 0.12,
      "high": 0.25,
      "currency": "USD",
      "unit": "per sq ft",
      "region": "US-ME",
      "source_url": "https://exteriordronewashing.com/states/maine",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T14:51:01.783Z",
      "content_hash": "sha256:b36f321a3097b80ae7c332463538742750d3342e472ccc06619ae8760accd81c",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 0.12,
        "high": 0.25,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_6d8a4222f3d5",
      "series_key": "ps_c6c1ce06f2dec50c",
      "kind": "benchmark",
      "use_case_id": "solar-panel-cleaning-home",
      "use_case_ids": [
        "solar-panel-cleaning-home"
      ],
      "provider_id": null,
      "description": "Solarrow X3 autonomous waterless solar panel cleaning robot (rooftops up to 45 degrees), US reseller Solar Tools USA; shown out of stock when checked",
      "low": 2899.95,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://solartoolsusa.com/solarrowx3",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T18:35:04.403Z",
      "content_hash": "sha256:6d8a4222f3d5dbc7f8ee04b95298ef1e2483b9257fcdd6f04092b5e315f4c464",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 2900,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_00e81ece31d8b05a",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "vista-drone-cleaning",
      "description": "Drone window/facade cleaning, fixed quote after survey, no minimum",
      "currency": "USD",
      "unit": "per sq ft of glass",
      "region": "",
      "source_url": "https://vistadronecleaning.com/high-rise-window-cleaning",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 0.12,
        "high": 0.25,
        "as_of": "2026-10",
        "id": "po_20261025_2e01c6811071"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_47e7fa07ae790d08",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "exterior-drone-washing",
      "description": "Drone roof soft wash: commercial $0.12-$0.25/sq ft; homes up to 3,000 sq ft $0.25-$0.35/sq ft",
      "currency": "USD",
      "unit": "per sq ft",
      "region": "",
      "source_url": "https://exteriordronewashing.com/services/drone-roof-cleaning",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 0.12,
        "high": 0.35,
        "as_of": "2026-10",
        "id": "po_20261025_a3cac7729c70"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_bc7f91db191c45aa",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "exterior-drone-washing",
      "description": "Drone facade, window and building cleaning in Maine: published national commercial rate, fixed after a free site survey, no minimum (maintenance contracts 20-30% lower per visit)",
      "currency": "USD",
      "unit": "per sq ft",
      "region": "US-ME",
      "source_url": "https://exteriordronewashing.com/states/maine",
      "observations": 1,
      "first_observed_at": "2026-10-25T14:51:01.783Z",
      "last_observed_at": "2026-10-25T14:51:01.783Z",
      "current": true,
      "latest": {
        "low": 0.12,
        "high": 0.25,
        "as_of": "2026-10-25",
        "id": "po_20261025_b36f321a3097"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_c6c1ce06f2dec50c",
      "kind": "benchmark",
      "use_case_id": "solar-panel-cleaning-home",
      "provider_id": null,
      "description": "Solarrow X3 autonomous waterless solar panel cleaning robot (rooftops up to 45 degrees), US reseller Solar Tools USA; shown out of stock when checked",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://solartoolsusa.com/solarrowx3",
      "observations": 1,
      "first_observed_at": "2026-10-25T18:35:04.403Z",
      "last_observed_at": "2026-10-25T18:35:04.403Z",
      "current": true,
      "latest": {
        "low": 2899.95,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_6d8a4222f3d5"
      },
      "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": 4,
    "limit": 200,
    "offset": 0,
    "returned": 4,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}