Evidence row 66446

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.healthparse.io/v1/prices/stats/:code"
    ]
  ],
  "name": "api.healthparse.io/v1/prices/stats/:code",
  "owner_address": "0x177ea123a35253ba8869a7e21e717978e482351d",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x177eA123A35253ba8869A7e21E717978e482351D",
        "scheme": "exact"
      }
    ],
    "description": "National price statistics for a billing code (CPT/HCPCS/MS-DRG) from hospital price-transparency files: median and spread of payer-negotiated rates. Answers: what is a fair price for this procedure? Shape varies: a code under one billing_code_type (common case) returns the flat row shown below; a code ambiguous across types instead returns { billing_code, stats_by_type: [...] } — check for a top-level stats_by_type array to tell them apart.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "billing_code": "70450",
              "billing_code_type": "CPT",
              "n_hospitals": 952,
              "neg_median": 207,
              "neg_p25": 101.96,
              "neg_p75": 924
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/prices/stats/:code",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {},
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T22:21:28.049Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T22:21:27.584Z"
    },
    "resource": "https://api.healthparse.io/v1/prices/stats/:code",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "National price statistics for a billing code (CPT/HCPCS/MS-DRG) from hospital price-transparency files: median and spread of payer-negotiated rates. Answers: what is a fair price for this procedure? Shape varies: a code under one billing_code_type (common case) returns the flat row shown below; a code ambiguous across types instead returns { billing_code, stats_by_type: [...] } — check for a top-level stats_by_type array to tell them apart."
}

What the leaf hashes

{"body":"3154eefae9719b5d8cc0f182ff231766f5be9642158a4f186262e8df21966fbb","id":66446,"kind":"listing","method":"baseline/1","observed_us":1793025460579297,"prev":null,"subject":"x402_bazaar:https://api.healthparse.io/v1/prices/stats/:code","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xf1447e1acae00f6c483ee7b9df7783c19570ff8dd1b6c2eba5d43bffe3bbfd3a
2. 0xa18c62219112087fc7dc2a3253964579da0791af0c4b1fc6580b3ffc5b953b5e
3. 0x971fc52db1b5aaa82ee608eaab5244d39e9ade37111e5e4c47e3ff310e794109
4. 0x5dfbd235e7e9532d086dfd88e1596794bc8c615823f9f4a2c710dd574a89b8bc
5. 0xdb8d578286c345b320ed90172d0a6643e1c9230a81783ee5d38b90a5b55687b3
6. 0xd0445136e582f5d99c697009200ff3c31b47b56c324834b5ef2f00e9c6745ec3
7. 0x3c002d5ec02d3b76680d4803e84a89152075abe85c4a4e330ee47fd716e2864f
8. 0x8fb70d5d53b0b02037c09dcdd2c7c8ce7c9da86d4d25675e03fca63df899abfb
9. 0x46613c0a42d561a7a07ec88601367eb9190899add6946bf0d246502a841548b6
10. 0x1374d43b83adaf6956b75a4ffa6be9b5d88f279b0e1f9aa9cb997253f28541e1
11. 0x3fbb508bb3373d829808c4b964e49bf52f1a8877acba747d2b92b5eac81e6259
12. 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae