{
  "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_a66457d5663f",
      "series_key": "ps_f2c7ff570b911808",
      "kind": "benchmark",
      "use_case_id": "snow-removal-robot",
      "use_case_ids": [
        "snow-removal-robot"
      ],
      "provider_id": null,
      "description": "Buy: Yarbo Snow Blower Module Gen 2 add-on (needs a Yarbo Y-series core; US store sale price, list $2,200)",
      "low": 2000,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.yarbo.com/products/snow-blower-module",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T13:37:49.204Z",
      "content_hash": "sha256:a66457d5663f9ca715c5311675406afa628f86ec6cf1e5bec67b3917e395c6e0",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 2000,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_c32a99251c9c",
      "series_key": "ps_d27011d0f6b5a69d",
      "kind": "benchmark",
      "use_case_id": "snow-removal-robot",
      "use_case_ids": [
        "snow-removal-robot"
      ],
      "provider_id": null,
      "description": "Buy: Yarbo Y40P Core with Snow Blower Module Gen 2 (complete robot; US store sale price, list $7,799)",
      "low": 7299,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.yarbo.com/products/yarbo-y40p-core-with-snow-blower-module",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T13:37:49.204Z",
      "content_hash": "sha256:c32a99251c9cbf2a26d8584f764e22e30c9d4c579e82c56f0aaeb7d16dfc36e2",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 7299,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_ce7a52643f1f",
      "series_key": "ps_dfb70aa7b7de4319",
      "kind": "benchmark",
      "use_case_id": "snow-removal-robot",
      "use_case_ids": [
        "snow-removal-robot"
      ],
      "provider_id": null,
      "description": "Buy: Yarbo Snow Blower Module Gen 2 add-on, Canada store sale price (list CA$3,000)",
      "low": 2700,
      "high": null,
      "currency": "CAD",
      "unit": "per unit",
      "region": "CA",
      "source_url": "https://ca.yarbo.com/products/snow-blower-module",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T13:37:49.204Z",
      "content_hash": "sha256:ce7a52643f1f5e0a14c6ceb1344cd4df90de039b26555ce0bd9c88e25d2b67fb",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 1929,
        "high": null,
        "fx": {
          "pair": "CAD/USD",
          "rate": 0.714541,
          "cad_per_usd": 1.3995,
          "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_e299aa6d7eaa",
      "series_key": "ps_0bdeca4ae834201d",
      "kind": "provider_published",
      "use_case_id": "snow-removal-robot",
      "use_case_ids": [
        "snow-removal-robot"
      ],
      "provider_id": "yarbo",
      "description": "Yarbo Y40P Core with Snow Blower Module Gen 2 (official US store sale price; list $7,799)",
      "low": 7299,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "",
      "source_url": "https://www.yarbo.com/products/yarbo-y40p-core-with-snow-blower-module",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T13:37:49.204Z",
      "content_hash": "sha256:e299aa6d7eaa1f20eb3e4ce54241df78de7ce333b470657ee44f6a4c580f1f6a",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 7299,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_f2c7ff570b911808",
      "kind": "benchmark",
      "use_case_id": "snow-removal-robot",
      "provider_id": null,
      "description": "Buy: Yarbo Snow Blower Module Gen 2 add-on (needs a Yarbo Y-series core; US store sale price, list $2,200)",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.yarbo.com/products/snow-blower-module",
      "observations": 1,
      "first_observed_at": "2026-10-25T13:37:49.204Z",
      "last_observed_at": "2026-10-25T13:37:49.204Z",
      "current": true,
      "latest": {
        "low": 2000,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_a66457d5663f"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_d27011d0f6b5a69d",
      "kind": "benchmark",
      "use_case_id": "snow-removal-robot",
      "provider_id": null,
      "description": "Buy: Yarbo Y40P Core with Snow Blower Module Gen 2 (complete robot; US store sale price, list $7,799)",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://www.yarbo.com/products/yarbo-y40p-core-with-snow-blower-module",
      "observations": 1,
      "first_observed_at": "2026-10-25T13:37:49.204Z",
      "last_observed_at": "2026-10-25T13:37:49.204Z",
      "current": true,
      "latest": {
        "low": 7299,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_c32a99251c9c"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_dfb70aa7b7de4319",
      "kind": "benchmark",
      "use_case_id": "snow-removal-robot",
      "provider_id": null,
      "description": "Buy: Yarbo Snow Blower Module Gen 2 add-on, Canada store sale price (list CA$3,000)",
      "currency": "CAD",
      "unit": "per unit",
      "region": "CA",
      "source_url": "https://ca.yarbo.com/products/snow-blower-module",
      "observations": 1,
      "first_observed_at": "2026-10-25T13:37:49.204Z",
      "last_observed_at": "2026-10-25T13:37:49.204Z",
      "current": true,
      "latest": {
        "low": 2700,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_ce7a52643f1f"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_0bdeca4ae834201d",
      "kind": "provider_published",
      "use_case_id": "snow-removal-robot",
      "provider_id": "yarbo",
      "description": "Yarbo Y40P Core with Snow Blower Module Gen 2 (official US store sale price; list $7,799)",
      "currency": "USD",
      "unit": "per unit",
      "region": "",
      "source_url": "https://www.yarbo.com/products/yarbo-y40p-core-with-snow-blower-module",
      "observations": 1,
      "first_observed_at": "2026-10-25T13:37:49.204Z",
      "last_observed_at": "2026-10-25T13:37:49.204Z",
      "current": true,
      "latest": {
        "low": 7299,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_e299aa6d7eaa"
      },
      "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"
}