← The evidence ledger
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).
- 0x4c1a83b9dd527715a038941ffe6623c72dad01f78da91dd6f6c6d656d8c9b03f
- 0x726429b85ba14bed0b12d37482bde21682a6de3ec30242f993f7e8ce7179b735
- 0x9058ed0794482a668f66a33b18f5e5809763618e96d4460c259221e2317fe688
- 0x706d25e25dc53bfacacca402cb40660012c13799669ddd7d4f5684e0085e4cbb
- 0x7f789e592ddbc18ad8e3d3a3cfa94a1d15cf5b5080ae0fc1ea9873b0117857e1
- 0x8daa3be7b209e49ab710a15962ed7dc0a706b5f8b312e9ab1566b90984285eea
- 0x94084b4a91e68ae5c83b3e95b23698aa1ec9d14f2a02fcdf9007454cbe13e49c
- 0xbb1c9345486ad662c5120c7fe86bf9130dbe9428f6cd9edd7212dc767e022df1
- 0xd94cbc3ad37ad415a29ffaccb46b6427a862230c72d0f12802209114d0a5cfbb
- 0x5e5595f403ae2f6e6bc3afc146009e77398a17f4b51a39a54f14d6f8a2b599cb
- 0x8e1dce5acc3a34df8e5fee91635037c0b87740a313eb455495b8fa04b41070e7
- 0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
- 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae