{
  "total": 3,
  "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_b4f036772b19",
      "series_key": "ps_9da8ea8241f609ae",
      "kind": "benchmark",
      "use_case_id": "window-cleaning-robot-home",
      "use_case_ids": [
        "window-cleaning-robot-home"
      ],
      "provider_id": null,
      "description": "Home window-cleaning robot, ECOVACS WINBOT W2S (base) to W2S OMNI (with station), US store",
      "low": 299,
      "high": 599.99,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.ecovacs.com/us/winbot-window-cleaning-robot/winbot-w2s-omni",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T15:37:55.713Z",
      "content_hash": "sha256:b4f036772b19e5f5b2ca788d131ae436699a25506d01a30bba4567f4090a4a83",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 299,
        "high": 600,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_fb1f32f99e9f",
      "series_key": "ps_5e676e8d92b1699c",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robotic-vacuum-home",
        "window-cleaning-robot-home",
        "robotic-lawn-mowing",
        "commercial-floor-scrubbing"
      ],
      "provider_id": "ecovacs-robotics",
      "description": "WINBOT W2S window-cleaning robot, ECOVACS US store",
      "low": 299,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.ecovacs.com/us/winbot-window-cleaning-robot/winbot-w2s-omni",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T15:37:55.713Z",
      "content_hash": "sha256:fb1f32f99e9fe18f7d750471e3e500eecb7ebaa157a132180b75c20349441d2e",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 299,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_fbd392e6fd32",
      "series_key": "ps_2b7eb4b2432d391c",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robotic-vacuum-home",
        "window-cleaning-robot-home",
        "robotic-lawn-mowing",
        "commercial-floor-scrubbing"
      ],
      "provider_id": "ecovacs-robotics",
      "description": "WINBOT W2S OMNI window-cleaning robot with station, ECOVACS US store",
      "low": 599.99,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.ecovacs.com/us/winbot-window-cleaning-robot/winbot-w2s-omni",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T15:37:55.713Z",
      "content_hash": "sha256:fbd392e6fd3201fb1f7af774d25cffad54dc3869ff38cb3bbb313855a7330d60",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 600,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_9da8ea8241f609ae",
      "kind": "benchmark",
      "use_case_id": "window-cleaning-robot-home",
      "provider_id": null,
      "description": "Home window-cleaning robot, ECOVACS WINBOT W2S (base) to W2S OMNI (with station), US store",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.ecovacs.com/us/winbot-window-cleaning-robot/winbot-w2s-omni",
      "observations": 1,
      "first_observed_at": "2026-10-25T15:37:55.713Z",
      "last_observed_at": "2026-10-25T15:37:55.713Z",
      "current": true,
      "latest": {
        "low": 299,
        "high": 599.99,
        "as_of": "2026-10-25",
        "id": "po_20261025_b4f036772b19"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_5e676e8d92b1699c",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "ecovacs-robotics",
      "description": "WINBOT W2S window-cleaning robot, ECOVACS US store",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.ecovacs.com/us/winbot-window-cleaning-robot/winbot-w2s-omni",
      "observations": 1,
      "first_observed_at": "2026-10-25T15:37:55.713Z",
      "last_observed_at": "2026-10-25T15:37:55.713Z",
      "current": true,
      "latest": {
        "low": 299,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_fb1f32f99e9f"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_2b7eb4b2432d391c",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "ecovacs-robotics",
      "description": "WINBOT W2S OMNI window-cleaning robot with station, ECOVACS US store",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.ecovacs.com/us/winbot-window-cleaning-robot/winbot-w2s-omni",
      "observations": 1,
      "first_observed_at": "2026-10-25T15:37:55.713Z",
      "last_observed_at": "2026-10-25T15:37:55.713Z",
      "current": true,
      "latest": {
        "low": 599.99,
        "high": null,
        "as_of": "2026-10-25",
        "id": "po_20261025_fbd392e6fd32"
      },
      "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": 3,
    "limit": 200,
    "offset": 0,
    "returned": 3,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}