Evidence row 74381

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://econdash.org/api/v1/m2m/timeseries/world_bank__gdp_nominal
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 7d6afc4e67a2c96dd66eb8656e019e39ee7f6a446d12f427a9eb909fd0b057ab
Leaf: 0x96a4ef17667f5f02c165ef7c0a45636c89fc935b24dcee3a35add227e2e06dcc

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://econdash.org/api/v1/m2m/timeseries/world_bank__gdp_nominal"
    ]
  ],
  "name": "econdash.org/api/v1/m2m/timeseries/world_bank__gdp_nominal",
  "owner_address": "0x39e10e5f431b26cae3d7d0a39aef86055d015d8c",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "resource": "https://econdash.org/api/v1/m2m/timeseries/world_bank__gdp_nominal",
          "version": "2"
        },
        "maxTimeoutSeconds": 180,
        "network": "eip155:8453",
        "payTo": "0x39E10E5F431B26cae3D7D0A39aeF86055d015d8c",
        "scheme": "exact"
      }
    ],
    "description": "EconDash economic data API (M2M)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "USA",
              "end_date": "2024-01-01",
              "start_date": "2020-01-01"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": [
                {
                  "country": "USA",
                  "country_name": "United States",
                  "date": "2023-01-01",
                  "value": 27360000000000
                }
              ],
              "frequency": "annual",
              "indicator_code": "world_bank__gdp_nominal",
              "indicator_name_en": "GDP (current US$)",
              "unit": "current US$"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "code": {
                      "description": "Indicator code, e.g. world_bank__gdp_nominal",
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "country": {
                      "description": "ISO 3166-1 alpha-3 country code",
                      "type": "string"
                    },
                    "end_date": {
                      "description": "End date (YYYY-MM-DD)",
                      "format": "date",
                      "type": "string"
                    },
                    "start_date": {
                      "description": "Start date (YYYY-MM-DD)",
                      "format": "date",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-24T13:18:55.129Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T13:18:54.611Z"
    },
    "resource": "https://econdash.org/api/v1/m2m/timeseries/world_bank__gdp_nominal",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EconDash economic data API (M2M)"
}

What the leaf hashes

{"body":"7d6afc4e67a2c96dd66eb8656e019e39ee7f6a446d12f427a9eb909fd0b057ab","id":74381,"kind":"listing","method":"baseline/1","observed_us":1793025488876312,"prev":null,"subject":"x402_bazaar:https://econdash.org/api/v1/m2m/timeseries/world_bank__gdp_nominal","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON