{
  "total": 2,
  "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_21aa97ef592a",
      "series_key": "ps_b1a30f12f2f6aada",
      "kind": "benchmark",
      "use_case_id": "robot-teleoperation-data",
      "use_case_ids": [
        "robot-teleoperation-data"
      ],
      "provider_id": null,
      "description": "Hello Robot Stretch 3 mobile manipulator, maker's price list (shipping and taxes extra)",
      "low": 24950,
      "high": 24950,
      "currency": "USD",
      "unit": "per robot",
      "region": "US",
      "source_url": "https://hello-stretch3.com/purchase",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T22:32:28.284Z",
      "content_hash": "sha256:21aa97ef592a9d1fe7a7d2d329a7925bb9b1bbbafdf77d9131dc1ef1786f0e98",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 24950,
        "high": 24950,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261025_cc4f70334a9d",
      "series_key": "ps_316c8df4f3945483",
      "kind": "benchmark",
      "use_case_id": "robot-teleoperation-data",
      "use_case_ids": [
        "robot-teleoperation-data"
      ],
      "provider_id": null,
      "description": "Hello Robot Dex Teleop Kit for Stretch 3 (camera, light ring, teleoperation tool), maker's price list",
      "low": 295,
      "high": 295,
      "currency": "USD",
      "unit": "per kit",
      "region": "US",
      "source_url": "https://hello-stretch3.com/purchase",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-25T22:32:28.284Z",
      "content_hash": "sha256:cc4f70334a9de3e04dd28bb60117c037ea4b7aa2b8f8e4bb4dfb8553b7329c7a",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 295,
        "high": 295,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_b1a30f12f2f6aada",
      "kind": "benchmark",
      "use_case_id": "robot-teleoperation-data",
      "provider_id": null,
      "description": "Hello Robot Stretch 3 mobile manipulator, maker's price list (shipping and taxes extra)",
      "currency": "USD",
      "unit": "per robot",
      "region": "US",
      "source_url": "https://hello-stretch3.com/purchase",
      "observations": 1,
      "first_observed_at": "2026-10-25T22:32:28.284Z",
      "last_observed_at": "2026-10-25T22:32:28.284Z",
      "current": true,
      "latest": {
        "low": 24950,
        "high": 24950,
        "as_of": "2026-10-25",
        "id": "po_20261025_21aa97ef592a"
      },
      "trend": null,
      "last_rechecked": null
    },
    {
      "series_key": "ps_316c8df4f3945483",
      "kind": "benchmark",
      "use_case_id": "robot-teleoperation-data",
      "provider_id": null,
      "description": "Hello Robot Dex Teleop Kit for Stretch 3 (camera, light ring, teleoperation tool), maker's price list",
      "currency": "USD",
      "unit": "per kit",
      "region": "US",
      "source_url": "https://hello-stretch3.com/purchase",
      "observations": 1,
      "first_observed_at": "2026-10-25T22:32:28.284Z",
      "last_observed_at": "2026-10-25T22:32:28.284Z",
      "current": true,
      "latest": {
        "low": 295,
        "high": 295,
        "as_of": "2026-10-25",
        "id": "po_20261025_cc4f70334a9d"
      },
      "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": 2,
    "limit": 200,
    "offset": 0,
    "returned": 2,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}