{
  "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_20261026_3a3686fcdcd6",
      "series_key": "ps_ca62d17b21860453",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "use_case_ids": [
        "underground-mine-mapping"
      ],
      "provider_id": null,
      "description": "NASA purchase order: Exyn Nexys autonomous SLAM LiDAR mapping system, total obligated per USAspending",
      "low": 52695,
      "high": 52695,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://api.usaspending.gov/api/v2/awards/CONT_AWD_80NSSC26P1119_8000_-NONE-_-NONE-/",
      "as_of": "2026-07-28",
      "observed_at": "2026-10-26T03:32:44.654Z",
      "content_hash": "sha256:3a3686fcdcd6ddf01f703f845d4c64f569725d6321a1e4b21b05105c2e97a1e9",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 52695,
        "high": 52695,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_3db573ef26bc",
      "series_key": "ps_5cef266d8907d731",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "use_case_ids": [
        "underground-mine-mapping"
      ],
      "provider_id": null,
      "description": "U.S. Army Corps of Engineers order: Emesent Hovermap ST kit (via QNTFI), total obligated per USAspending",
      "low": 44800,
      "high": 44800,
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://api.usaspending.gov/api/v2/awards/CONT_AWD_W9132V25P0002_9700_-NONE-_-NONE-/",
      "as_of": "2025-02-21",
      "observed_at": "2026-10-26T03:32:44.654Z",
      "content_hash": "sha256:3db573ef26bcca9504deb3a9cb5b7c3b2a0ec4d39341c5872bb7aef87e5ebe01",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 44800,
        "high": 44800,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_d51fa3992a6c",
      "series_key": "ps_1e78d7be43148970",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "use_case_ids": [
        "underground-mine-mapping"
      ],
      "provider_id": null,
      "description": "Defense Logistics Agency order: Emesent Hovermap ST-X kit (via ASRC Federal), total obligated per USAspending",
      "low": 121445.63,
      "high": 121445.63,
      "currency": "USD",
      "unit": "per contract",
      "region": "US",
      "source_url": "https://api.usaspending.gov/api/v2/awards/CONT_AWD_SPE8E326FB2R2_9700_SPE8E325D0022_9700/",
      "as_of": "2026-05-15",
      "observed_at": "2026-10-26T03:32:44.654Z",
      "content_hash": "sha256:d51fa3992a6c3c04e20d1389caad492837baca62ffb69f0c42ed8affe05cb344",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 121446,
        "high": 121446,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_f8106ca3b0e0",
      "series_key": "ps_de8be2faedd37b62",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "use_case_ids": [
        "underground-mine-mapping"
      ],
      "provider_id": null,
      "description": "Emesent Hovermap ST SLAM LiDAR mapping payload (used for stope, drift and void mapping), Canadian dealer price (DroneLabs)",
      "low": 46000,
      "high": 46000,
      "currency": "CAD",
      "unit": "per unit",
      "region": "CA",
      "source_url": "https://dronelabs.ca/products/emesent-hovermap-st",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-26T03:32:44.654Z",
      "content_hash": "sha256:f8106ca3b0e04d6260e812335f0bc07372178d7030bdbcc0bb449fae9c96d5d7",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 32869,
        "high": 32869,
        "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."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_ca62d17b21860453",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "provider_id": null,
      "description": "NASA purchase order: Exyn Nexys autonomous SLAM LiDAR mapping system, total obligated per USAspending",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://api.usaspending.gov/api/v2/awards/CONT_AWD_80NSSC26P1119_8000_-NONE-_-NONE-/",
      "observations": 1,
      "first_observed_at": "2026-10-26T03:32:44.654Z",
      "last_observed_at": "2026-10-26T03:32:44.654Z",
      "current": true,
      "latest": {
        "low": 52695,
        "high": 52695,
        "as_of": "2026-07-28",
        "id": "po_20261026_3a3686fcdcd6"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_5cef266d8907d731",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "provider_id": null,
      "description": "U.S. Army Corps of Engineers order: Emesent Hovermap ST kit (via QNTFI), total obligated per USAspending",
      "currency": "USD",
      "unit": "per unit",
      "region": "US",
      "source_url": "https://api.usaspending.gov/api/v2/awards/CONT_AWD_W9132V25P0002_9700_-NONE-_-NONE-/",
      "observations": 1,
      "first_observed_at": "2026-10-26T03:32:44.654Z",
      "last_observed_at": "2026-10-26T03:32:44.654Z",
      "current": true,
      "latest": {
        "low": 44800,
        "high": 44800,
        "as_of": "2025-02-21",
        "id": "po_20261026_3db573ef26bc"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_1e78d7be43148970",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "provider_id": null,
      "description": "Defense Logistics Agency order: Emesent Hovermap ST-X kit (via ASRC Federal), total obligated per USAspending",
      "currency": "USD",
      "unit": "per contract",
      "region": "US",
      "source_url": "https://api.usaspending.gov/api/v2/awards/CONT_AWD_SPE8E326FB2R2_9700_SPE8E325D0022_9700/",
      "observations": 1,
      "first_observed_at": "2026-10-26T03:32:44.654Z",
      "last_observed_at": "2026-10-26T03:32:44.654Z",
      "current": true,
      "latest": {
        "low": 121445.63,
        "high": 121445.63,
        "as_of": "2026-05-15",
        "id": "po_20261026_d51fa3992a6c"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_de8be2faedd37b62",
      "kind": "benchmark",
      "use_case_id": "underground-mine-mapping",
      "provider_id": null,
      "description": "Emesent Hovermap ST SLAM LiDAR mapping payload (used for stope, drift and void mapping), Canadian dealer price (DroneLabs)",
      "currency": "CAD",
      "unit": "per unit",
      "region": "CA",
      "source_url": "https://dronelabs.ca/products/emesent-hovermap-st",
      "observations": 1,
      "first_observed_at": "2026-10-26T03:32:44.654Z",
      "last_observed_at": "2026-10-26T03:32:44.654Z",
      "current": true,
      "latest": {
        "low": 46000,
        "high": 46000,
        "as_of": "2026-10-25",
        "id": "po_20261026_f8106ca3b0e0"
      },
      "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"
}