Evidence row 74393

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://economy.openverbs.com/v1/inflation"
    ]
  ],
  "name": "economy.openverbs.com/v1/inflation",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Country inflation and CPI history from World Bank WDI: annual consumer-price inflation (%) and consumer price index (2010=100), by ISO3 country for the last 1-10 complete years. Includes independent latest values, units, nulls, source update date and IMF/CC BY attribution. Annual history, not monthly releases or forecasts; CPI levels do not compare prices across countries.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country": "BRA",
              "years": 5
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "country": {
                      "description": "ISO 3166 alpha-3 code for one of 215 World Bank-supported countries/territories, e.g. BRA, IND or ZAF. No region aggregates.",
                      "pattern": "^[A-Za-z]{3}$",
                      "type": "string"
                    },
                    "years": {
                      "default": 5,
                      "description": "Last N complete calendar years in UTC, resolved before payment. Missing observations are not filled.",
                      "maximum": 10,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "country"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T19:19:59.693Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T19:19:59.439Z"
    },
    "resource": "https://economy.openverbs.com/v1/inflation",
    "tags": [
      "inflation",
      "cpi",
      "consumer price index",
      "inflation history",
      "world bank"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Country inflation and CPI history from World Bank WDI: annual consumer-price inflation (%) and consumer price index (2010=100), by ISO3 country for the last 1-10 complete years. Includes independent latest values, units, nulls, source update date and IMF/CC BY attribution. Annual history, not monthly releases or forecasts; CPI levels do not compare prices across countries."
}

What the leaf hashes

{"body":"8d0555635282a7df50e430c4fcceaab738e41bf04ac5680e379ebc8cd46242db","id":74393,"kind":"listing","method":"baseline/1","observed_us":1793025489034527,"prev":null,"subject":"x402_bazaar:https://economy.openverbs.com/v1/inflation","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. 0x079755712653df0d8f2ebf529c6d41e38d46b7313bbc0cda3c2a5825f8b813d7
2. 0x77a894cb4a4ac112316a18b47d1e8199a18cefc60b9eea93f9fd8a4309cb55e5
3. 0x8084ed7a7d9ab98d64dd3f67bf4d11e19e291a9f54b6e4d5c0cdef340f4f89eb
4. 0x77761cd5bf3e9ef4c557d44c2a7e4f56574175b76a8ebb7074d5b9d52530a3b6
5. 0x4345e486327db73fe83b430f5e1d0fc4d0e0f34ef574cdf8ddd01b236802527a
6. 0x01ce44aa033a809b5e6322bab409d6dbd7e3308347793bfa3f16f09a44212344
7. 0x67c55ff6f7b27fe26d19640b585ecdedfda370e5bd07f15476d449a2c451ea49
8. 0xe8ba653ea05e3f766aa788b83a0de04cfed9d7302dc49343e839ee7e665eca25
9. 0xc80af8e272d1cb81ba42182d24905f85e11a9485f6398a240b3a2dc7142dc4c0
10. 0x6c49dc63732a1c853796427378de391ae7c0255d6d855269049c50243c7bc2b5
11. 0xe5919b091405f2537da4d32a97f1520286a61795e2d149438b884ef5190051cc
12. 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae