{
  "total": 7,
  "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": [
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      "id": "po_20261025_2c406974de7d",
      "series_key": "ps_078cf3b457e005d4",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "use_case_ids": [
        "security-patrol-robot"
      ],
      "provider_id": null,
      "description": "Knightscope K5/K1 robot subscription, starting price",
      "low": 545,
      "high": null,
      "currency": "USD",
      "unit": "per month",
      "region": "US",
      "source_url": "https://knightscope.com/hubfs/K1H-K5V5%20Brochure.pdf",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:2c406974de7dee6144fab858b468410e4f4c82e9ffb714834e93c05db455c0d6",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 545,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_2cf2dea5d22d",
      "series_key": "ps_14b4c35fec4293ca",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "use_case_ids": [
        "security-patrol-robot"
      ],
      "provider_id": null,
      "description": "Knightscope K5 outdoor patrol robot, marketed effective rate on annual 24/7 subscription",
      "low": 11,
      "high": 11,
      "currency": "USD",
      "unit": "per hour",
      "region": "US",
      "source_url": "https://www.facebook.com/knightscope/posts/the-average-overnight-security-guard-costs-3050hourknightscopes-k5-robot-around-/1064313392549253/",
      "as_of": "2025-08",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:2cf2dea5d22d169762db4622234f857d2a5556fd8eb136505804cc79bddf7b3f",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 11,
        "high": 11,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_8a0ec4e102cd",
      "series_key": "ps_e4cd60166afb9a0a",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robot-dog-rental",
        "research-robot-platforms",
        "humanoid-robot-rental",
        "industrial-plant-inspection",
        "robot-performer-dance",
        "security-patrol-robot"
      ],
      "provider_id": "unitree-robotics",
      "description": "Unitree Go2 quadruped robot (official store, from)",
      "low": 1600,
      "high": null,
      "currency": "USD",
      "unit": "per unit",
      "region": "",
      "source_url": "https://shop.unitree.com/products/unitree-go2",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:8a0ec4e102cd49469afa0fe63b7b2cf2a1997e745f162d127b92ed12864fd9c7",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 1600,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_ab90432acb66",
      "series_key": "ps_4613ef061f170336",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "robot-dog-rental",
        "research-robot-platforms",
        "humanoid-robot-rental",
        "industrial-plant-inspection",
        "robot-performer-dance",
        "security-patrol-robot"
      ],
      "provider_id": "unitree-robotics",
      "description": "Unitree G1 humanoid robot (official store; list $15,999)",
      "low": 13500,
      "high": 15999,
      "currency": "USD",
      "unit": "per unit",
      "region": "",
      "source_url": "https://shop.unitree.com/products/unitree-g1",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:ab90432acb6654dfae825ffdd5aa0922a337b4259588ebf7c8be9fdb70d62e3a",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 13500,
        "high": 15999,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_ac83ccb6564c",
      "series_key": "ps_388f128e16adbce0",
      "kind": "provider_published",
      "use_case_id": null,
      "use_case_ids": [
        "security-patrol-robot",
        "indoor-security-robot",
        "loss-prevention-retail",
        "parking-enforcement-robot",
        "construction-site-security"
      ],
      "provider_id": "knightscope",
      "description": "Autonomous security robot subscription (brochure: 'as low as')",
      "low": 545,
      "high": null,
      "currency": "USD",
      "unit": "per month",
      "region": "",
      "source_url": "https://knightscope.com/hubfs/K1H-K5V5%20Brochure.pdf",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:ac83ccb6564c24fdb596cb0ccf14f02b331d529463b2ece87511d51e832980d2",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 545,
        "high": null,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_bdde5080c6f9",
      "series_key": "ps_d1480a764ab2ff5c",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "use_case_ids": [
        "security-patrol-robot"
      ],
      "provider_id": null,
      "description": "Knightscope robots, effective rate on annual 24/7 Machine-as-a-Service contracts",
      "low": 6,
      "high": 12,
      "currency": "USD",
      "unit": "per hour",
      "region": "US",
      "source_url": "https://knightscope.com/blog/post/secure-our-country",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:bdde5080c6f95b31a35d2a2b11d15ff3d6fca4eb49f1e4210c798bf3c433e42d",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 6,
        "high": 12,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_e1429d26d82f",
      "series_key": "ps_dc26a13f2080b3fe",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "use_case_ids": [
        "security-patrol-robot"
      ],
      "provider_id": null,
      "description": "K5 annual rental, as reported (NBC News 2021, compiled by The Bot Scout)",
      "low": 70000,
      "high": 80000,
      "currency": "USD",
      "unit": "per year",
      "region": "US",
      "source_url": "https://www.thebotscout.com/pricing/security-robot-cost/",
      "as_of": "2026-10",
      "observed_at": "2026-10-25T12:38:37.716Z",
      "content_hash": "sha256:e1429d26d82fa9f997fe07883b2a07008b2be461ba4a6cdf69ea4e7101c02ed4",
      "supersedes": null,
      "origin": "backfill",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 70000,
        "high": 80000,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_078cf3b457e005d4",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "provider_id": null,
      "description": "Knightscope K5/K1 robot subscription, starting price",
      "currency": "USD",
      "unit": "per month",
      "region": "US",
      "source_url": "https://knightscope.com/hubfs/K1H-K5V5%20Brochure.pdf",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 545,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_2c406974de7d"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:28:55.540Z",
        "result": "confirmed",
        "by": "automatic"
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    },
    {
      "series_key": "ps_14b4c35fec4293ca",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "provider_id": null,
      "description": "Knightscope K5 outdoor patrol robot, marketed effective rate on annual 24/7 subscription",
      "currency": "USD",
      "unit": "per hour",
      "region": "US",
      "source_url": "https://www.facebook.com/knightscope/posts/the-average-overnight-security-guard-costs-3050hourknightscopes-k5-robot-around-/1064313392549253/",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 11,
        "high": 11,
        "as_of": "2025-08",
        "id": "po_20261025_2cf2dea5d22d"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:28:55.540Z",
        "result": "unreachable",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_e4cd60166afb9a0a",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "unitree-robotics",
      "description": "Unitree Go2 quadruped robot (official store, from)",
      "currency": "USD",
      "unit": "per unit",
      "region": "",
      "source_url": "https://shop.unitree.com/products/unitree-go2",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 1600,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_8a0ec4e102cd"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:28:38.977Z",
        "result": "confirmed",
        "by": "automatic"
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    },
    {
      "series_key": "ps_4613ef061f170336",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "unitree-robotics",
      "description": "Unitree G1 humanoid robot (official store; list $15,999)",
      "currency": "USD",
      "unit": "per unit",
      "region": "",
      "source_url": "https://shop.unitree.com/products/unitree-g1",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 13500,
        "high": 15999,
        "as_of": "2026-10",
        "id": "po_20261025_ab90432acb66"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:35:16.000Z",
        "result": "confirmed",
        "by": "human"
      }
    },
    {
      "series_key": "ps_388f128e16adbce0",
      "kind": "provider_published",
      "use_case_id": null,
      "provider_id": "knightscope",
      "description": "Autonomous security robot subscription (brochure: 'as low as')",
      "currency": "USD",
      "unit": "per month",
      "region": "",
      "source_url": "https://knightscope.com/hubfs/K1H-K5V5%20Brochure.pdf",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 545,
        "high": null,
        "as_of": "2026-10",
        "id": "po_20261025_ac83ccb6564c"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:28:55.540Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_d1480a764ab2ff5c",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "provider_id": null,
      "description": "Knightscope robots, effective rate on annual 24/7 Machine-as-a-Service contracts",
      "currency": "USD",
      "unit": "per hour",
      "region": "US",
      "source_url": "https://knightscope.com/blog/post/secure-our-country",
      "observations": 1,
      "first_observed_at": "2026-10-25T12:38:37.716Z",
      "last_observed_at": "2026-10-25T12:38:37.716Z",
      "current": true,
      "latest": {
        "low": 6,
        "high": 12,
        "as_of": "2026-10",
        "id": "po_20261025_bdde5080c6f9"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:35:16.000Z",
        "result": "needs_review",
        "by": "human"
      }
    },
    {
      "series_key": "ps_dc26a13f2080b3fe",
      "kind": "benchmark",
      "use_case_id": "security-patrol-robot",
      "provider_id": null,
      "description": "K5 annual rental, as reported (NBC News 2021, compiled by The Bot Scout)",
      "currency": "USD",
      "unit": "per year",
      "region": "US",
      "source_url": "https://www.thebotscout.com/pricing/security-robot-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": 70000,
        "high": 80000,
        "as_of": "2026-10",
        "id": "po_20261025_e1429d26d82f"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-25T13:26:35.985Z",
        "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": 7,
    "limit": 200,
    "offset": 0,
    "returned": 7,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}