Evidence row 752202

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.interzoid.com/getuniversityinfo"
    ]
  ],
  "name": "api.interzoid.com/getuniversityinfo",
  "owner_address": "0xdceca23ff8a7145e1b5b35427c9886cf21a67566",
  "raw": {
    "accepts": [
      {
        "amount": "250000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Retrieve detailed information about a university or college including location, type, enrollment, accreditation, notable programs, and key statistics.",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xdCEca23FF8A7145e1b5B35427C9886CF21A67566",
        "resource": {
          "description": "Retrieve detailed information about a university or college including location, type, enrollment, accreditation, notable programs, and key statistics.",
          "mimeType": "application/json",
          "url": "https://api.interzoid.com/getuniversityinfo"
        },
        "scheme": "exact"
      }
    ],
    "description": "Retrieve detailed information about a university or college including location, type, enrollment, accreditation, notable programs, and key statistics.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lookup": "Stanford University"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "Code": "Success",
              "Credits": "0",
              "Enrollment": "17,381",
              "Founded": "1885",
              "Location": "Stanford, California, United States",
              "Name": "Stanford University",
              "Type": "Private Research University"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "lookup": {
                      "description": "University or college name",
                      "type": "string"
                    }
                  },
                  "required": [
                    "lookup"
                  ],
                  "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": "2026-10-27T21:48:18.143Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T21:48:18.047Z"
    },
    "resource": "https://api.interzoid.com/getuniversityinfo",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Retrieve detailed information about a university or college including location, type, enrollment, accreditation, notable programs, and key statistics."
}

What the leaf hashes

{"body":"194ae97ce7bec437aa6455c8bf45b6e5fd1a5d381bbe56c278f034f824922675","id":752202,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178814042038,"prev":null,"subject":"x402_bazaar:https://api.interzoid.com/getuniversityinfo","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xb9df1adbcc6ff3c827abb3e1762bf4be8968108611780588f2344d764d8243cc
2. 0x8545fb992edc0f979860a33ec12d8883d15d38c1b8b8ba81e8e3b03478757a73
3. 0xaf9dc2458ca0c3b575da89cd628a13fa9a6b5aaf006cdc9f34e74a70408b3f92
4. 0xa0ff423cc0ca8741683736f50ab8c746af29c39d47f6b64e868d64398c27c286
5. 0x16f29c88c318f9a59c63b0ea39b117bb401617a715e7a05eef1d161be0aefe25
6. 0xcde82adf0e0b6b5b8108137edf857093d6c63783b162f2315619f4c8bc129b36
7. 0x29b55e48eb676cf58e94009fdc3d9fc347f5fb717fc64b724ea655f1e3a88bfb
8. 0x6aac5a5c63872ea424c305b0950befed20bced890ce9a403a22c0baba177b2b4
9. 0xc38e3174cee9af8fe2ef2a7648bfca41382830314fd6eef43e45ebc10036cff4
10. 0xf58848f87929d8485b519d2c7b511de661d56b8058c4e7dabfc70cf2bac0e519
11. 0x55affa490e41c721fe4b63d43d1c914046f53ec931fdc62ac63f24b413065660
12. 0x4b5addc8bd51420ef27a321399f10fef2cc3fdc2a0326948b037697471b33b73
13. 0xcebf4a9e3aed292aba36cf13d3dabb64469130bf5de7b7c925c232cb853aebd9
14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae