Evidence row 66469

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.healthtravel-api.workers.dev/api/health/fda-device-gudid"
    ]
  ],
  "name": "SiteCheck Health & Travel",
  "owner_address": "0xb8491f953e6860d3b5840b73c60883ff099ceafa",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xa4751fCAa83c9669cfe507bb6807507729839be3",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:480",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI",
        "scheme": "exact"
      },
      {
        "amount": "0.002",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "e03acf44-b46a-40b5-ba50-da832893e8a9",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1549",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "11afd6f9-0c1e-4f5a-bd3b-51e40b76bd10",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      }
    ],
    "description": "FDA AccessGUDID device record by Device Identifier (DI, the GS1/GUDID number on a device label): brand, company, model, description, GMDN term, MRI safety status, sterile and single-use flags. Lookup by DI only; no name search.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "di": "00643169007222"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "brandName": "Viva™ Quad XT CRT-D",
              "catalogNumber": null,
              "checkedAt": "2026-10-23T09:36:32.765Z",
              "companyName": "MEDTRONIC, INC.",
              "description": "CRT-D DTBA1QQ VIVA QUAD XT US IS4/DF4",
              "di": "00643169007222",
              "gmdnTerm": "Cardiac resynchronization therapy implantable defibrillator",
              "modelNumber": "DTBA1QQ",
              "mriSafety": "Labeling does not contain MRI Safety Information",
              "publishDate": "2014-09-23T00:00:00.000Z",
              "rx": true,
              "singleUse": true,
              "source": "https://accessgudid.nlm.nih.gov/",
              "url": "https://accessgudid.nlm.nih.gov/devices/00643169007222"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "di": {
                      "description": "Device Identifier, 8 to 14 digits",
                      "type": "string"
                    }
                  },
                  "required": [
                    "di"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T14:39:14.578Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T14:39:14.408Z"
    },
    "resource": "https://api.healthtravel-api.workers.dev/api/health/fda-device-gudid",
    "serviceName": "SiteCheck Health & Travel",
    "tags": [
      "health",
      "fda",
      "device",
      "gudid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "FDA AccessGUDID device record by Device Identifier (DI, the GS1/GUDID number on a device label): brand, company, model, description, GMDN term, MRI safety status, sterile and single-use flags. Lookup by DI only; no name search."
}

What the leaf hashes

{"body":"113682c3aa7c73d547b3c5c2770e7608c4db0e1186ad965c1ce65b99eb592e1a","id":66469,"kind":"listing","method":"baseline/1","observed_us":1793025460617693,"prev":null,"subject":"x402_bazaar:https://api.healthtravel-api.workers.dev/api/health/fda-device-gudid","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. 0x1311214c5d98dc98183d949cbc146fcde637ba2047fa66ad231c6128edaac3e8
2. 0xa9744d80e293d5cf437289e89a130283e3bb3ff2702e3d6200c3dffdbd5df750
3. 0x16995f3acfd700aa454093b7a92c61a266fdf518d5e339600bf13e3e7352c01c
4. 0xd193fcad1652ada5ad681387c2912cbc36903f8d6938b1ec95350feab2a3df07
5. 0xde2563d00a0be8dac58b3ae651ec215ca914ad6fb5885f5c84071fa245deddac
6. 0x2fa9dd00b589c2cba3ee65751a64b3ce437ce2e006ce624adaf6dd8be375932d
7. 0x1aa7f50a7049c503c1fe349d349ae3acfce59c3d5d20c0b37ef3b98c468a34c7
8. 0xcd0edfb7d294a59b89e05ad155582f7bfe6ac8fa3205d0dd9ba65353423ac7ea
9. 0x0b3c954c3d2b2159a2f05003f65c595ae6a417c5cf7233134f8877273a080450
10. 0x82c27b8a0cc799b1b8e2ae127f363936ba1a6e1a5d43001849ff8f1e205dc950
11. 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae