Evidence row 74380

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

Kind: listing
About: source_record x402_bazaar:https://econdash.org/api/v1/m2m/timeseries/nasdaq-index
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 654072c80c994257c83d603b124e0600ad016017b8da9282ac719addaf05d566
Leaf: 0x781f4a468cecb2146d32b8e716d37070820dc095dea70b99c010b94b014a42dd

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://econdash.org/api/v1/m2m/timeseries/nasdaq-index"
    ]
  ],
  "name": "econdash.org/api/v1/m2m/timeseries/nasdaq-index",
  "owner_address": "0x39e10e5f431b26cae3d7d0a39aef86055d015d8c",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "resource": "https://econdash.org/api/v1/m2m/timeseries/nasdaq-index",
          "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": "2026-10-22T10:09:18.264Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-22T10:09:17.707Z"
    },
    "resource": "https://econdash.org/api/v1/m2m/timeseries/nasdaq-index",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EconDash economic data API (M2M)"
}

What the leaf hashes

{"body":"654072c80c994257c83d603b124e0600ad016017b8da9282ac719addaf05d566","id":74380,"kind":"listing","method":"baseline/1","observed_us":1793025488875151,"prev":null,"subject":"x402_bazaar:https://econdash.org/api/v1/m2m/timeseries/nasdaq-index","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