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Evidence row 2200225

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://pennydatahq.com/api/country/:code
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d6429040e9db6bf11ab7e75991a1f5efb0dcd22abbb171536ddb8a201cd5b567
Leaf
0xa8d835c2626ece1fd3b386008e1dc34b4980e6e566541444efc60154d28c3f9b

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pennydatahq.com/api/country/:code"
    ]
  ],
  "name": "Country Profile",
  "owner_address": "0xd0a3c0f5612ecd88e4b16ef1cd458e1a5e8ffd49",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd0A3c0f5612EcD88e4b16Ef1cD458e1a5E8FFD49",
        "scheme": "exact"
      }
    ],
    "description": "Country profile by ISO 3166 alpha-2 code: ISO codes, name, region, income group, lending type, capital with coordinates, and the latest population and GDP per capita with their years, as JSON.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "code": ":code"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "capital": "Brasilia",
              "capital_latitude": -15.7801,
              "capital_longitude": -47.9292,
              "gdp_per_capita_usd": {
                "value": 10713.2856869511,
                "year": 2025
              },
              "income_group": "Upper middle income",
              "iso2": "BR",
              "iso3": "BRA",
              "lending_type": "IBRD",
              "name": "Brazil",
              "population": {
                "value": 212812405,
                "year": 2025
              },
              "region": "Latin America & Caribbean"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/country/:code",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "code": {
                      "description": "2-letter ISO 3166 country code, any case. Regions and income groups (for example WLD, EU) are not countries and return not found.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "capital": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "capital_latitude": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "capital_longitude": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "gdp_per_capita_usd": {
                      "description": "GDP per capita in current US dollars, latest year with data; null when none",
                      "properties": {
                        "value": {
                          "type": "number"
                        },
                        "year": {
                          "type": "integer"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "income_group": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "iso2": {
                      "type": "string"
                    },
                    "iso3": {
                      "type": "string"
                    },
                    "lending_type": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "population": {
                      "description": "Total population, latest year with data; null when none",
                      "properties": {
                        "value": {
                          "type": "number"
                        },
                        "year": {
                          "type": "integer"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "region": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "iso2",
                    "iso3",
                    "name"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T12:30:41.243Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T12:30:40.797Z"
    },
    "resource": "https://pennydatahq.com/api/country/:code",
    "serviceName": "Country Profile",
    "tags": [
      "country",
      "reference",
      "geography",
      "economy",
      "iso"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Country profile by ISO 3166 alpha-2 code: ISO codes, name, region, income group, lending type, capital with coordinates, and the latest population and GDP per capita with their years, as JSON."
}

What the leaf hashes

{"body":"d6429040e9db6bf11ab7e75991a1f5efb0dcd22abbb171536ddb8a201cd5b567","id":2200225,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646796802493,"prev":null,"subject":"x402_bazaar:https://pennydatahq.com/api/country/:code","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xa8d82c5cbbc4ad034d72662e4acfbaa9aa42b8d4007a8f9a91dcf3e7e58722f5
  2. 0x1bfb157bb2362ca8d93f77acc416914771d51efb27fdc37667b83cfed34e02f7
  3. 0x3ab027cbe841242117c1429c409087bb5bf21012938e48d85b09e1c6f7f15f43
  4. 0xf2a42c942cf2664ccefa4b6721105784733e7e245fc4fccc4e9a4853f19bdb6c
  5. 0x02909a9fa7b3f05f53c1f23f5d545703fb50139a18e665fa7739bd164523abf2
  6. 0xf4d0a80ee6fdfc3a62027e221df1d76db9ee2968616115d58a5b0c3dd2bab5c9
  7. 0x8ab6dc4cd28ad60f87d65e889cb056789f905d6e67d19a4717414ab1a393b068
  8. 0x331af00efd3e60eedd810d94a73751f3b6170e1f846e82c20063110813e78d4d
  9. 0xf23e43c2ae99a509328f5b62b024ec1d5a6f128d104633dd4d752001a967b401
  10. 0xde743d5779d804b39da00238c2abb530f6f1ddf0897953627f5a30c824df49df
  11. 0xabaddc3d6a701f07a62ef798b40fe3ba319dc7441591486022f6e131f4383d96
  12. 0xd092c4592746638c988be0201bef3aa0097a159b2bde204654e1174f70c7897c
  13. 0xf7fc51348087e5c1e3d386772d38113ebc053fa2bb0a5e6728e5f86d0ac25db5
  14. 0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1
  15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
  16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON