Evidence row 1038272

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.interzoid.com/getstateabbreviation"
    ]
  ],
  "name": "Interzoid Data APIs",
  "owner_address": "0xdceca23ff8a7145e1b5b35427c9886cf21a67566",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xdCEca23FF8A7145e1b5B35427C9886CF21A67566",
        "scheme": "exact"
      }
    ],
    "description": "US state and province standardization: converts variations such as 'Calif', 'Cal', and 'CA' to the full name plus the standard abbreviation. For address cleansing, form normalization, and consistent reporting.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "state": "Calif"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "Abbreviation": "CA",
              "Code": "Success",
              "Credits": "0",
              "State": "California"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "state": {
                      "description": "State or province name/abbreviation to standardize",
                      "type": "string"
                    }
                  },
                  "required": [
                    "state"
                  ],
                  "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": "2026-10-29T02:00:21.046Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T02:00:20.941Z"
    },
    "resource": "https://api.interzoid.com/getstateabbreviation",
    "serviceName": "Interzoid Data APIs",
    "tags": [
      "state abbreviation",
      "state name standardization",
      "address cleansing",
      "data quality",
      "US states"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "US state and province standardization: converts variations such as 'Calif', 'Cal', and 'CA' to the full name plus the standard abbreviation. For address cleansing, form normalization, and consistent reporting."
}

What the leaf hashes

{"body":"162729fd1fa0a6877d73610d421129bb8e4ae87333f0f1027a40b94aaa0a051e","id":1038272,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298265891956,"prev":752185,"subject":"x402_bazaar:https://api.interzoid.com/getstateabbreviation","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x8f468e9f34892c7ba904e7e67f68b4e10b7bbceaedcf46f75502cc9cb61faef7
2. 0x60f7cd3ed9bc4dc6590b9342f7de0db44f444eb3b8fe86b10bdcf9277d00e95e
3. 0x3b898cb1014e6768c440467ef8e27309a168f71b1d14aa1ede45bc562bb81d4f
4. 0x00bc56fa19e4174c2b96e85e7f1897f839985d9852b7e153a1afd182bfe3dff1
5. 0xb035b614bd5dd9edcf94d5bcf6b8f4cdc6eaf13a89bd8368b0936b033d52400a
6. 0x07dabb6ba04996b3335bc9cf14233eef1abb400c2625f3cd3686d51e2c456670
7. 0xfd8d6656ae01ea8b4298a5b1a4745f9fbd8dd698c3893b3fda2628cdcc8539e0
8. 0xd195edae42e18ee2c305002e2d97b554efadc888ffa7dd862605beac2ebd63fa
9. 0x8b994b0c61b4fb1c92b908176e7a0a69cbafc60d929d46a3e89c9310ed9913f7
10. 0x4df14db6a2e9c1ec1a933acf0bf87ceb1c2d17c9e655c293bf8fc6387575f0bf
11. 0xf0c56d9a853c94b24e4f854604f22fab9ff9e0d840a58bb302aaa7c78e2f644d
12. 0x924a97a5d68012ac776583a7dc748c3226aabfbbbb479e996042842cb6f43fc3
13. 0x834e0aae5de1c77f23e901b21cc37833f72279146f0a5e458548b82d6bed2b7a
14. 0x2ec9677def553f2064a7e34081a129a91f7999a429ef2705c4c539a9602f3bbf
15. 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1