{
  "total": 3,
  "source": "d1",
  "tracking_since": "2026-10-25T12:38:37.716Z",
  "source_rechecks": {
    "rows": 851,
    "series": 743,
    "last_checked_at": "2026-10-27T03:34:33.000Z",
    "latest_result_counts": {
      "confirmed": 702,
      "unreachable": 19,
      "needs_review": 5,
      "changed": 2,
      "not_found_on_page": 11,
      "partial": 4
    },
    "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_9263e8071b49",
      "series_key": "ps_3f1e259df859a650",
      "kind": "benchmark",
      "use_case_id": "physio-hair-transplant",
      "use_case_ids": [
        "physio-hair-transplant"
      ],
      "provider_id": null,
      "description": "ARTAS iX robotic FUE hair transplant at Revive Men's Hair Clinic, Las Vegas: flat, all-inclusive per-graft price (clinic says 2,000 grafts is about $6,000)",
      "low": 3,
      "high": 3,
      "currency": "USD",
      "unit": "per graft",
      "region": "US",
      "source_url": "https://revivemyhair.com/artas-ix/",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-26T00:25:29.126Z",
      "content_hash": "sha256:9263e8071b49ab94f541a74d8c01e6c0c39b12c746aab557c5f6ca47a0ca315e",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 3,
        "high": 3,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_bc84e1fbe3eb",
      "series_key": "ps_1e4cb017ec2c3b4d",
      "kind": "benchmark",
      "use_case_id": "physio-hair-transplant",
      "use_case_ids": [
        "physio-hair-transplant"
      ],
      "provider_id": null,
      "description": "ARTAS robotic hair transplant, typical US per-graft range stated in a Philadelphia plastic surgeon's cost guide (total usually $7,000-$18,000+)",
      "low": 8,
      "high": 15,
      "currency": "USD",
      "unit": "per graft",
      "region": "US",
      "source_url": "https://www.dradrianlo.com/blog/artas-robotic-hair-transplant-cost/",
      "as_of": "2026-08-03",
      "observed_at": "2026-10-26T00:25:29.126Z",
      "content_hash": "sha256:bc84e1fbe3eb187449cedb2af843f0ca47f519496d56b90c532f6405f30a428e",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 8,
        "high": 15,
        "note": "Already in target currency; no conversion."
      }
    },
    {
      "id": "po_20261026_e6f8b71c10b4",
      "series_key": "ps_0f06c9b0eb2cab23",
      "kind": "benchmark",
      "use_case_id": "physio-hair-transplant",
      "use_case_ids": [
        "physio-hair-transplant"
      ],
      "provider_id": null,
      "description": "ARTAS robotic hair transplant at Hill Country Plastic Surgery, San Antonio TX (patients typically need 750-4,500 grafts)",
      "low": 7,
      "high": 7,
      "currency": "USD",
      "unit": "per graft",
      "region": "US",
      "source_url": "https://www.hillcountryplasticsurgery.com/hair-restoration/artas-robot/",
      "as_of": "2026-10-25",
      "observed_at": "2026-10-26T00:25:29.126Z",
      "content_hash": "sha256:e6f8b71c10b4ae2e49a28a8aa5ff22f4fe013f459d07ec22aac39e5ff8b01aa5",
      "supersedes": null,
      "origin": "build",
      "change_reason": null,
      "current": true,
      "usd": {
        "currency": "USD",
        "low": 7,
        "high": 7,
        "note": "Already in target currency; no conversion."
      }
    }
  ],
  "series": [
    {
      "series_key": "ps_3f1e259df859a650",
      "kind": "benchmark",
      "use_case_id": "physio-hair-transplant",
      "provider_id": null,
      "description": "ARTAS iX robotic FUE hair transplant at Revive Men's Hair Clinic, Las Vegas: flat, all-inclusive per-graft price (clinic says 2,000 grafts is about $6,000)",
      "currency": "USD",
      "unit": "per graft",
      "region": "US",
      "source_url": "https://revivemyhair.com/artas-ix/",
      "observations": 1,
      "first_observed_at": "2026-10-26T00:25:29.126Z",
      "last_observed_at": "2026-10-26T00:25:29.126Z",
      "current": true,
      "latest": {
        "low": 3,
        "high": 3,
        "as_of": "2026-10-25",
        "id": "po_20261026_9263e8071b49"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_1e4cb017ec2c3b4d",
      "kind": "benchmark",
      "use_case_id": "physio-hair-transplant",
      "provider_id": null,
      "description": "ARTAS robotic hair transplant, typical US per-graft range stated in a Philadelphia plastic surgeon's cost guide (total usually $7,000-$18,000+)",
      "currency": "USD",
      "unit": "per graft",
      "region": "US",
      "source_url": "https://www.dradrianlo.com/blog/artas-robotic-hair-transplant-cost/",
      "observations": 1,
      "first_observed_at": "2026-10-26T00:25:29.126Z",
      "last_observed_at": "2026-10-26T00:25:29.126Z",
      "current": true,
      "latest": {
        "low": 8,
        "high": 15,
        "as_of": "2026-08-03",
        "id": "po_20261026_bc84e1fbe3eb"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "result": "confirmed",
        "by": "automatic"
      }
    },
    {
      "series_key": "ps_0f06c9b0eb2cab23",
      "kind": "benchmark",
      "use_case_id": "physio-hair-transplant",
      "provider_id": null,
      "description": "ARTAS robotic hair transplant at Hill Country Plastic Surgery, San Antonio TX (patients typically need 750-4,500 grafts)",
      "currency": "USD",
      "unit": "per graft",
      "region": "US",
      "source_url": "https://www.hillcountryplasticsurgery.com/hair-restoration/artas-robot/",
      "observations": 1,
      "first_observed_at": "2026-10-26T00:25:29.126Z",
      "last_observed_at": "2026-10-26T00:25:29.126Z",
      "current": true,
      "latest": {
        "low": 7,
        "high": 7,
        "as_of": "2026-10-25",
        "id": "po_20261026_e6f8b71c10b4"
      },
      "trend": null,
      "last_rechecked": {
        "checked_at": "2026-10-27T01:26:25.942Z",
        "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": 3,
    "limit": 200,
    "offset": 0,
    "returned": 3,
    "next_offset": null,
    "next": null,
    "prev": null
  },
  "license": "Whirrwork (https://whirrwork.com), CC BY 4.0"
}