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Evidence row 67794

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.nuasense.com/x402/v1/market/benchmarks
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2bfe3fe10110f91fb6fa2e879b0a5df31b15292ae5a2e06b22802e9bbdf4467f
Leaf
0x4c1a327090c496a2bfab471737bec93d52b443fb4d206d594814696075bbeaf8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.nuasense.com/x402/v1/market/benchmarks"
    ]
  ],
  "name": "api.nuasense.com/x402/v1/market/benchmarks",
  "owner_address": "0x64f03f76c814ba8959fadeedc6a2bbee7e9dc5a3",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:84532",
        "payTo": "0x64F03f76C814bA8959FADeedc6a2bbEE7E9DC5A3",
        "scheme": "exact"
      }
    ],
    "description": "Global commodity benchmarks: Monthly world commodity benchmark prices in nominal US dollars, back to 1960. Up to 100 rows per call, $0.10 USDC. Filters: source, scope, commodity, unit, kind.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 10
            },
            "type": "http"
          },
          "output": {
            "example": {
              "attribution": "World Bank Commodity Price Data (CC BY 4.0)",
              "count": 1,
              "dataset": "market.worldbank",
              "rows": [
                {
                  "commodity": "…",
                  "price": 0,
                  "scope": "…",
                  "source": "…",
                  "time": "2026-09-15T00:00:00Z"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "commodity": {
                      "description": "filter on commodity; up to 10 comma-separated values",
                      "type": "string"
                    },
                    "end": {
                      "description": "end of the time window, same formats as start",
                      "type": "string"
                    },
                    "fields": {
                      "description": "comma-separated subset of: price",
                      "type": "string"
                    },
                    "kind": {
                      "description": "filter on kind; up to 10 comma-separated values",
                      "type": "string"
                    },
                    "limit": {
                      "description": "rows to return",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "order": {
                      "enum": [
                        "asc",
                        "desc"
                      ],
                      "type": "string"
                    },
                    "scope": {
                      "description": "filter on scope; up to 10 comma-separated values",
                      "type": "string"
                    },
                    "source": {
                      "description": "filter on source; up to 10 comma-separated values",
                      "type": "string"
                    },
                    "start": {
                      "description": "start of the time window: 2026-01-31, RFC3339 UTC, or relative like -30d",
                      "type": "string"
                    },
                    "unit": {
                      "description": "filter on unit; up to 10 comma-separated values",
                      "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": "2026-10-01T15:53:12.526Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-01T15:53:12.179Z"
    },
    "resource": "https://api.nuasense.com/x402/v1/market/benchmarks",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Global commodity benchmarks: Monthly world commodity benchmark prices in nominal US dollars, back to 1960. Up to 100 rows per call, $0.10 USDC. Filters: source, scope, commodity, unit, kind."
}

What the leaf hashes

{"body":"2bfe3fe10110f91fb6fa2e879b0a5df31b15292ae5a2e06b22802e9bbdf4467f","id":67794,"kind":"listing","method":"baseline/1","observed_us":1793025464786782,"prev":null,"subject":"x402_bazaar:https://api.nuasense.com/x402/v1/market/benchmarks","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x4c1a83b9dd527715a038941ffe6623c72dad01f78da91dd6f6c6d656d8c9b03f
  2. 0x726429b85ba14bed0b12d37482bde21682a6de3ec30242f993f7e8ce7179b735
  3. 0x9058ed0794482a668f66a33b18f5e5809763618e96d4460c259221e2317fe688
  4. 0x706d25e25dc53bfacacca402cb40660012c13799669ddd7d4f5684e0085e4cbb
  5. 0x7f789e592ddbc18ad8e3d3a3cfa94a1d15cf5b5080ae0fc1ea9873b0117857e1
  6. 0x8daa3be7b209e49ab710a15962ed7dc0a706b5f8b312e9ab1566b90984285eea
  7. 0x94084b4a91e68ae5c83b3e95b23698aa1ec9d14f2a02fcdf9007454cbe13e49c
  8. 0xbb1c9345486ad662c5120c7fe86bf9130dbe9428f6cd9edd7212dc767e022df1
  9. 0xd94cbc3ad37ad415a29ffaccb46b6427a862230c72d0f12802209114d0a5cfbb
  10. 0x5e5595f403ae2f6e6bc3afc146009e77398a17f4b51a39a54f14d6f8a2b599cb
  11. 0x8e1dce5acc3a34df8e5fee91635037c0b87740a313eb455495b8fa04b41070e7
  12. 0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
  13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON