Evidence row 74933

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://euroref.dev/v1/:country/:series/history"
    ]
  ],
  "name": "Euroref - Europe reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "Belgium: Consumer price inflation (CPI), cited JSON with source URL, effective date and last_confirmed. GET /v1/be/cpi.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "country": "BE",
              "effective_from": "2026-09-01",
              "last_confirmed": "2026-10-08",
              "series": "cpi",
              "source": {
                "name": "Statbel (Direction générale Statistique — Statistics Belgium), « L’inflation s’élève à 4,69% », ",
                "url": "https://statbel.fgov.be/fr/nouvelles/linflation-seleve-469"
              },
              "unit": "percent",
              "value": 4.69
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/:country/:series/history",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "description": "Cited series value (JSON)",
              "properties": {
                "country": {
                  "type": "string"
                },
                "last_confirmed": {
                  "type": "string"
                },
                "series": {
                  "type": "string"
                },
                "source": {
                  "type": "object"
                },
                "stale": {
                  "type": "boolean"
                },
                "unit": {
                  "type": "string"
                },
                "value": {}
              },
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792871091/bazaar-icons/f790c31336e363ca.png",
    "lastUpdated": "2026-10-24T20:32:27.617Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T20:32:26.515Z"
    },
    "resource": "https://euroref.dev/v1/:country/:series/history",
    "serviceName": "Euroref - Europe reference data",
    "tags": [
      "cpi",
      "belgium",
      "reference-data",
      "inflation"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Belgium: Consumer price inflation (CPI), cited JSON with source URL, effective date and last_confirmed. GET /v1/be/cpi."
}

What the leaf hashes

{"body":"06c906b19b65818b1e433ff302a95696eb70b54d605dc1c3535f9f16baba4993","id":74933,"kind":"listing","method":"baseline/1","observed_us":1793025489834928,"prev":null,"subject":"x402_bazaar:https://euroref.dev/v1/:country/:series/history","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. 0x05e8636f1eb59bfb49107092d027398e9c6603a3e373e8cfb9bcdccb96039cbc
2. 0x69d7f41dbd074ef93c84ea21cb59a324b9a2161cf4bf43aa93e6eccb5a8c12c8
3. 0xe0c16e5abdb16b0e664239e4e230eba805f2b2581441e468405960f6415deddb
4. 0x77c08a983fda6807d5ba395deabc82a88f4d4943a29d645a23bd3a0627595c4e
5. 0x35a709078c0c18f5f71c11ea3aafde551a91fd0c8b4d9bedbd94a1ea501d2449
6. 0xcf95acd3f5a9448da08ecc5a7d2c3e71e132346594a0d4a621a6492d9c16b9e9
7. 0x8eb1b0fa3bc010fd72160c57ae36f8319ceb5dda35b61a887183c15a576934d4
8. 0xab213c4bd67423e3b8309e8d8fdea4b83cbf54d15364d45c4f84d546f4930b63
9. 0x2e678e5fc91d6c512e07512fdd928a58c415e6df78049106213d287f51f20d5f
10. 0xcbf24e2308735268c6c221452ee6dcce65722c748c6fc988da0c295e5f881662
11. 0x88fb9d02ea6ed7254b70cfe02388b31c183a7a709aad6303948d66f85ad516b1
12. 0x7910a200eb458bec3c3badb3b2ead3e75cec5f3ba263800cea6b9f32efb53f25
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae