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Evidence row 66443

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.healthparse.io/v1/open-payments/recipients/search
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1ff12d9c4a05e8b67004ee8d18dd81d95f318ce5f9456b46caec820015fb416c
Leaf
0x1bdafebf0ebf340ed8d6fff6dd3629faea3aafd4809d5c982b5ee06223a60c2a

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.healthparse.io/v1/open-payments/recipients/search"
    ]
  ],
  "name": "api.healthparse.io/v1/open-payments/recipients/search",
  "owner_address": "0x177ea123a35253ba8869a7e21e717978e482351d",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x177eA123A35253ba8869A7e21E717978e482351D",
        "scheme": "exact"
      }
    ],
    "description": "Screen physicians industry is already paying — the recipient side of the CMS Open Payments (Sunshine Act) file, ranked by total reported payment amount. Filter by specialty, state, nature_of_payment, and min_amount. Prescriber name / specialty / state / city are resolved by joining the NPI to the CMS Part D Prescribers file (Open Payments carries none of them). Public CMS provider-level data; not a consumer report.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "performance_year": "example",
              "specialty": "example",
              "state": "example"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "performance_year": 2024,
              "records_notice": "Observational rollup of the CMS Open Payments (Sunshine Act) General Payments file, keyed on the recipient NPI. A row means a physician appears in the public federal payments file for the stated year — not a judgment about the provider. Name / specialty / state / city are resolved by joining the NPI to the CMS Part D Prescribers file (the Open Payments file carries none of them). Provider-level program data — not a consumer report, and not for FCRA-regulated eligibility decisions.",
              "rows": [
                {
                  "nature_of_payment": "Consulting Fee",
                  "npi": "1952964959",
                  "prescriber_city": "San Pablo",
                  "prescriber_name": "Roe, John",
                  "prescriber_specialty": "Cardiology",
                  "prescriber_state": "CA",
                  "total_amount": 42500,
                  "total_records": 18
                }
              ],
              "selectors": [
                "performance_year=2024",
                "state=CA",
                "specialty=Cardiology",
                "min_amount=1000"
              ],
              "total_matched": 1,
              "total_matched_capped": false
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/open-payments/recipients/search",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "limit": {
                  "default": 25,
                  "maximum": 100,
                  "type": "integer"
                },
                "min_amount": {
                  "description": "minimum reported total payment amount (USD)",
                  "type": "number"
                },
                "nature_of_payment": {
                  "description": "payment category substring, e.g. 'Consulting'",
                  "type": "string"
                },
                "offset": {
                  "default": 0,
                  "type": "integer"
                },
                "performance_year": {
                  "description": "Open Payments program year (default 2024, the latest loaded)",
                  "type": "integer"
                },
                "specialty": {
                  "description": "prescriber specialty substring, e.g. 'Cardiology'",
                  "type": "string"
                },
                "state": {
                  "description": "2-letter prescriber state code(s), comma-separated",
                  "type": "string"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:40:59.172Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T05:40:58.661Z"
    },
    "resource": "https://api.healthparse.io/v1/open-payments/recipients/search",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Screen physicians industry is already paying — the recipient side of the CMS Open Payments (Sunshine Act) file, ranked by total reported payment amount. Filter by specialty, state, nature_of_payment, and min_amount. Prescriber name / specialty / state / city are resolved by joining the NPI to the CMS Part D Prescribers file (Open Payments carries none of them). Public CMS provider-level data; not a consumer report."
}

What the leaf hashes

{"body":"1ff12d9c4a05e8b67004ee8d18dd81d95f318ce5f9456b46caec820015fb416c","id":66443,"kind":"listing","method":"baseline/1","observed_us":1793025460575034,"prev":null,"subject":"x402_bazaar:https://api.healthparse.io/v1/open-payments/recipients/search","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x1bdb350d07a89d2b71c295084c0e4230e167cfcd7f029986b78a1dd2e2d24b1a
  2. 0x9fb145222e726f449414b98f9136fb0015a2da359d0e95b3a626ee14584f2c19
  3. 0xc1bcfc4fc9e0264babd60f0c08798d2a98aa7501f27a37b930aca57f368090d3
  4. 0x53af673ce1cb5d6861c328daefcf7eff832f3600345bd5afc05e58cc284c6e87
  5. 0x076160f3ad541819e8d0119a2756bffc275df53a6cd6cf4609518b40ba2aad2c
  6. 0xccb183db2f375436663354601aac790675ac80489ccb64c2f97244e27e00a02f
  7. 0xbcbb299838150ce1091641c1fc334d7092d1187f759c8399befcbeae35811a0d
  8. 0x5ffc213d49dd37b5bfa3c2488058ee90af3374ffe1538520f07f68e3f1909364
  9. 0xcc8eb2f995e37e2b0b07d6f7c4aee6041a48da91fbdfa81c691cc6cc3ebbce6e
  10. 0x528fb8f6040dcfed2bbfa9e000908bba2b82549e1878573b9eceb17ac4ed4dc7
  11. 0xa71cc4f892400c8dd1d9d33faa6b7466eba77734b3716286b78aa51d46ff4255
  12. 0x7ab2e7902b312a74cfdbc32b2906ced29b1fb9dc4280b5378e8eb181ad88686e
  13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
  14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON