{
  "total": 8,
  "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_1fc2270a1f76",
      "series_key": "ps_286559dcab1f40d1",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "restaurant-serving-robot",
        "dishwashing-robot",
        "advertising-guide-robot"
      ],
      "provider_id": "hutech-robotics",
      "description": "Marketing robot rental, 24-month term (ex VAT)",
      "low": 490,
      "high": 490,
      "currency": "GBP",
      "unit": "per month",
      "region": "",
      "source_url": "https://hutechrobotics.co.uk/hospitality/pricing",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:1fc2270a1f7606d691bd4a55cc43a0502f5f67ed5118b6c0ba59f2aace5e4852",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 655,
        "high": 655,
        "fx": {
          "pair": "GBP/USD",
          "rate": 1.33683,
          "gbp_per_usd": 0.74804,
          "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_2d823825bc5f",
      "series_key": "ps_65fb5736b8e9c3f7",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "restaurant-serving-robot",
        "commercial-floor-scrubbing",
        "indoor-building-delivery",
        "hotel-concierge-robot",
        "advertising-guide-robot",
        "museum-guide-robot"
      ],
      "provider_id": "pudu-robotics",
      "description": "BellaBot serving robot via RobotLAB: buy from $14,500 or RaaS $409/mo",
      "low": 409,
      "high": 14500,
      "currency": "USD",
      "unit": "purchase or per month",
      "region": "",
      "source_url": "https://www.robotlab.com/store/bellabot/",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:2d823825bc5f374ae09d786d1a12fcaf441305d5a738b021938bc392637b54e4",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 409,
        "high": 14500,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_4170f24ad3ac",
      "series_key": "ps_e2d2fcee80e979c6",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "restaurant-serving-robot",
        "dishwashing-robot",
        "advertising-guide-robot"
      ],
      "provider_id": "hutech-robotics",
      "description": "Delivery (waiter) robot rental, 24-month term, maintenance included (ex VAT)",
      "low": 510,
      "high": 510,
      "currency": "GBP",
      "unit": "per month",
      "region": "",
      "source_url": "https://hutechrobotics.co.uk/hospitality/pricing",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:4170f24ad3ac2d4c10dca0eb031faf27c76bc57d40a8bcca95df54629da6c9fb",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 682,
        "high": 682,
        "fx": {
          "pair": "GBP/USD",
          "rate": 1.33683,
          "gbp_per_usd": 0.74804,
          "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_bc854b75024d",
      "series_key": "ps_0d8c6d31493db5b7",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "commercial-vacuuming",
        "humanoid-robot-rental",
        "event-robot-rental",
        "museum-guide-robot",
        "hotel-concierge-robot",
        "advertising-guide-robot"
      ],
      "provider_id": "softbank-robotics",
      "description": "Whiz commercial vacuum robot via RobotLAB: $25,000 or RaaS $699/mo",
      "low": 699,
      "high": 25000,
      "currency": "USD",
      "unit": "purchase or per month",
      "region": "",
      "source_url": "https://www.robotlab.com/store/whiz/",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:bc854b75024dfadce6a7f2ef0053a69097704ece6278b2b6eac77943a36860c8",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 699,
        "high": 25000,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_f6a590c59329",
      "series_key": "ps_3c49317a9597bd98",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "restaurant-serving-robot",
        "dishwashing-robot",
        "advertising-guide-robot"
      ],
      "provider_id": "hutech-robotics",
      "description": "Dish collection robot rental, 24-month term (ex VAT)",
      "low": 590,
      "high": 590,
      "currency": "GBP",
      "unit": "per month",
      "region": "",
      "source_url": "https://hutechrobotics.co.uk/hospitality/pricing",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:f6a590c59329779b22b471ccc305239a8842d870fbbfcc93264ebc127ba3bb1c",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 789,
        "high": 789,
        "fx": {
          "pair": "GBP/USD",
          "rate": 1.33683,
          "gbp_per_usd": 0.74804,
          "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_20261026_5b9b31b62775",
      "series_key": "ps_6a7ab76c0b8a612d",
      "kind": "benchmark",
      "use_case_id": "advertising-guide-robot",
      "use_case_ids": [
        "advertising-guide-robot"
      ],
      "provider_id": null,
      "description": "Pudu KettyBot Pro reception/promotion robot, reseller RaaS subscription (RobotLAB store page; page undated, retrieved 2026-10-26)",
      "low": 479,
      "high": 479,
      "currency": "USD",
      "unit": "per month",
      "region": "US",
      "source_url": "https://www.robotlab.com/store/kettybot-pro/",
      "as_of": "2026-10-26",
      "observed_at": "2026-10-26T09:33:31.350Z",
      "content_hash": "sha256:5b9b31b62775ade81480ec27b9cfbe8d31fd04d1bfb9502dd8b31ae5f147965b",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 479,
        "high": 479,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_e318626e66c3",
      "series_key": "ps_29c5a69854667d9c",
      "kind": "benchmark",
      "use_case_id": "advertising-guide-robot",
      "use_case_ids": [
        "advertising-guide-robot"
      ],
      "provider_id": null,
      "description": "Pudu KettyBot Pro reception/promotion robot, reseller price including first year of PUDU CARE (Apollo Office Systems catalog; also $319.20/month on a 60-month lease; page undated, retrieved 2026-10-26)",
      "low": 14000,
      "high": 14000,
      "currency": "USD",
      "unit": "per robot",
      "region": "US",
      "source_url": "https://www.apolloofficesystems.com/pudu-catalog",
      "as_of": "2026-10-26",
      "observed_at": "2026-10-26T09:33:31.350Z",
      "content_hash": "sha256:e318626e66c330ea6b154988883f3a1a4493147dad50c3a74087ab75b8ea9157",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 14000,
        "high": 14000,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_ed2c50c1f941",
      "series_key": "ps_a2c0d1562ab2cd22",
      "kind": "benchmark",
      "use_case_id": "advertising-guide-robot",
      "use_case_ids": [
        "advertising-guide-robot"
      ],
      "provider_id": null,
      "description": "Pudu KettyBot Pro reception/wayfinding robot with 18.5-inch ad display, reseller purchase price (RobotLAB store page; RaaS from $479/month also listed; page undated, retrieved 2026-10-26)",
      "low": 14000,
      "high": 14000,
      "currency": "USD",
      "unit": "per robot",
      "region": "US",
      "source_url": "https://www.robotlab.com/store/kettybot-pro/",
      "as_of": "2026-10-26",
      "observed_at": "2026-10-26T09:33:31.350Z",
      "content_hash": "sha256:ed2c50c1f941d95cd49915668ba9bf71546144b3a544034821f2953044e0bacf",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 14000,
        "high": 14000,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_286559dcab1f40d1",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "hutech-robotics",
      "description": "Marketing robot rental, 24-month term (ex VAT)",
      "currency": "GBP",
      "unit": "per month",
      "region": "",
      "source_url": "https://hutechrobotics.co.uk/hospitality/pricing",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 490,
        "high": 490,
        "as_of": "2026-10",
        "id": "po_20261025_1fc2270a1f76"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_65fb5736b8e9c3f7",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "pudu-robotics",
      "description": "BellaBot serving robot via RobotLAB: buy from $14,500 or RaaS $409/mo",
      "currency": "USD",
      "unit": "purchase or per month",
      "region": "",
      "source_url": "https://www.robotlab.com/store/bellabot/",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 409,
        "high": 14500,
        "as_of": "2026-10",
        "id": "po_20261025_2d823825bc5f"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_e2d2fcee80e979c6",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "hutech-robotics",
      "description": "Delivery (waiter) robot rental, 24-month term, maintenance included (ex VAT)",
      "currency": "GBP",
      "unit": "per month",
      "region": "",
      "source_url": "https://hutechrobotics.co.uk/hospitality/pricing",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 510,
        "high": 510,
        "as_of": "2026-10",
        "id": "po_20261025_4170f24ad3ac"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_0d8c6d31493db5b7",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "softbank-robotics",
      "description": "Whiz commercial vacuum robot via RobotLAB: $25,000 or RaaS $699/mo",
      "currency": "USD",
      "unit": "purchase or per month",
      "region": "",
      "source_url": "https://www.robotlab.com/store/whiz/",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 699,
        "high": 25000,
        "as_of": "2026-10",
        "id": "po_20261025_bc854b75024d"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_3c49317a9597bd98",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "hutech-robotics",
      "description": "Dish collection robot rental, 24-month term (ex VAT)",
      "currency": "GBP",
      "unit": "per month",
      "region": "",
      "source_url": "https://hutechrobotics.co.uk/hospitality/pricing",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 590,
        "high": 590,
        "as_of": "2026-10",
        "id": "po_20261025_f6a590c59329"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_6a7ab76c0b8a612d",
      "kind": "benchmark",
      "use_case_id": "advertising-guide-robot",
      "provider_id": null,
      "description": "Pudu KettyBot Pro reception/promotion robot, reseller RaaS subscription (RobotLAB store page; page undated, retrieved 2026-10-26)",
      "currency": "USD",
      "unit": "per month",
      "region": "US",
      "source_url": "https://www.robotlab.com/store/kettybot-pro/",
      "observations": 1,
      "first_observed_at": "2026-10-26T09:33:31.350Z",
      "last_observed_at": "2026-10-26T09:33:31.350Z",
      "current": true,
      "latest": {
        "low": 479,
        "high": 479,
        "as_of": "2026-10-26",
        "id": "po_20261026_5b9b31b62775"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_29c5a69854667d9c",
      "kind": "benchmark",
      "use_case_id": "advertising-guide-robot",
      "provider_id": null,
      "description": "Pudu KettyBot Pro reception/promotion robot, reseller price including first year of PUDU CARE (Apollo Office Systems catalog; also $319.20/month on a 60-month lease; page undated, retrieved 2026-10-26)",
      "currency": "USD",
      "unit": "per robot",
      "region": "US",
      "source_url": "https://www.apolloofficesystems.com/pudu-catalog",
      "observations": 1,
      "first_observed_at": "2026-10-26T09:33:31.350Z",
      "last_observed_at": "2026-10-26T09:33:31.350Z",
      "current": true,
      "latest": {
        "low": 14000,
        "high": 14000,
        "as_of": "2026-10-26",
        "id": "po_20261026_e318626e66c3"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_a2c0d1562ab2cd22",
      "kind": "benchmark",
      "use_case_id": "advertising-guide-robot",
      "provider_id": null,
      "description": "Pudu KettyBot Pro reception/wayfinding robot with 18.5-inch ad display, reseller purchase price (RobotLAB store page; RaaS from $479/month also listed; page undated, retrieved 2026-10-26)",
      "currency": "USD",
      "unit": "per robot",
      "region": "US",
      "source_url": "https://www.robotlab.com/store/kettybot-pro/",
      "observations": 1,
      "first_observed_at": "2026-10-26T09:33:31.350Z",
      "last_observed_at": "2026-10-26T09:33:31.350Z",
      "current": true,
      "latest": {
        "low": 14000,
        "high": 14000,
        "as_of": "2026-10-26",
        "id": "po_20261026_ed2c50c1f941"
      },
      "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": 8,
    "limit": 200,
    "offset": 0,
    "returned": 8,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}