← The evidence ledger
Evidence row 126074
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.forgemesh.io/crash-test-ratings
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c94cf0484b9d12ff43dc2a11c08612f4ac483ed9a53045d5189d2653c6a5b427
- Leaf
- 0x5e5e91e8d5bcf2665a94d5d621f758be3a3891b5fbee4b42924cab3c609f40a7
What was observed
{
"endpoints": [
[
"x402",
"https://x402.forgemesh.io/crash-test-ratings"
]
],
"name": "x402.forgemesh.io/crash-test-ratings",
"owner_address": "0x850363a27f0ac6feb9c7a3ec4c1d295262df9432",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
"scheme": "exact"
}
],
"description": "Crash-test results for US-market vehicles: government 5-star program scores covering frontal and side impacts, side pole, and rollover, plus safety-feature flags like electronic stability control and forward-collision warning. Query by VIN or year/make/model; unrated vehicles return a clear not-found answer.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"make": "honda",
"model": "accord",
"model_year": "2020"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"attribution": "US DOT New Car Assessment Program crash tests (public domain)",
"offers": {
"disclosure": "Affiliate links: they fund the free data; the price is the same for you.",
"history_reports": [
{
"adds": "title brands, accidents, odometer readings, prior sales",
"label": "EpicVIN vehicle history report",
"partner": "epicvin",
"pricing": "per report",
"url": "https://forgemesh.io/go/epicvin"
},
{
"adds": "title brands, accident and damage records, odometer readings, prior sales",
"label": "Detailed Vehicle History report (10% off)",
"partner": "dvh",
"pricing": "per report, coupon applied",
"url": "https://forgemesh.io/go/dvh"
}
],
"note": "Our data above is free public NHTSA/EPA data for the model year. Whether THIS VIN was wrecked, flooded, rolled back or branded salvage lives in licensed title databases; these partners sell that per VIN."
},
"rated_variant": {
"description": "2020 Honda ACCORD 4 DR FWD",
"vehicle_id": 14818
},
"ratings": {
"front_crash": "5",
"overall": "5",
"rollover": "5",
"side_crash": "5"
},
"safety_features": {
"electronic_stability_control": "Standard"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"make": {
"description": "e.g. honda",
"type": "string"
},
"model": {
"description": "e.g. accord",
"type": "string"
},
"model_year": {
"description": "4-digit year",
"type": "string"
},
"vehicle_id": {
"description": "rate a specific variant returned in other_variants",
"type": "integer"
},
"vin": {
"description": "VIN — decoded automatically (alternative to make/model/model_year)",
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"info": {
"required": false
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
"resourceUrl": "https://x402.forgemesh.io/crash-test-ratings",
"scheme": "exact",
"validUntil": 1791440103,
"version": 1
},
"signature": "0x2db683abaf0d5cd889545c7916ea34c0f3947cd47c77835455565a3323ec89884d34ffe930704f57316144c455624902f97edbdd3d269b3947f6f4d9382a89a81c"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"offers": {
"items": {
"properties": {
"acceptIndex": {
"type": "integer"
},
"format": {
"type": "string"
},
"payload": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"payTo": {
"type": "string"
},
"resourceUrl": {
"type": "string"
},
"scheme": {
"type": "string"
},
"validUntil": {
"type": "integer"
},
"version": {
"type": "integer"
}
},
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"signature"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"offers"
],
"type": "object"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
},
"lastUpdated": "2026-10-08T06:10:03.419Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:10:03.295Z"
},
"resource": "https://x402.forgemesh.io/crash-test-ratings",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Crash-test results for US-market vehicles: government 5-star program scores covering frontal and side impacts, side pole, and rollover, plus safety-feature flags like electronic stability control and forward-collision warning. Query by VIN or year/make/model; unrated vehicles return a clear not-found answer."
}What the leaf hashes
{"body":"c94cf0484b9d12ff43dc2a11c08612f4ac483ed9a53045d5189d2653c6a5b427","id":126074,"kind":"listing","method":"baseline/1","observed_us":1793025627188330,"prev":null,"subject":"x402_bazaar:https://x402.forgemesh.io/crash-test-ratings","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).
- 0x5e5ea39225b597b6cc0e945dbe81751b35248b1cca0a785e6c1febdd98509f0a
- 0x460905c21911a52546c4fbb0fc51ce87253d27e2d4b469403b191362af2bc25d
- 0xa0e4d80485c6c1c1810863797db9480bde791b6e54a7d36af3606ebcf9468b72
- 0x957879d1f93d62ff261d08ce20682e9c0e250b6a5bc168f2b476f8a9101ffa5d
- 0x14a402a84c5aefe2025d756295b19eb0e9e93515f9e9ba53fbceec035f9b4968
- 0x97cb9ab15d1853a970fcab99022dbfaca912d4f808574a192950b84b5c133391
- 0xdc3c70dbe225409fe50e2ab6942c66c7b8f929919032d36872ff872dec79463f
- 0xdf3d7d1bf2070686bdcd2f9fdc02f7a7b84f27f6842c6e33e8a2a45385d5d9f5
- 0x77163b46f4e52a08632ea8c24bbe9055658e8322d1f228a48ab784b218719e7a
- 0x33f025c13618ed53fc05a5cb528fef06abae42e7afa58ecfa04868e98e6879bf
- 0x49cc8f2035ca48165d187499d4442647d0afe9d3c61547728b03e4a0494752eb
- 0x5ab25c2fdf4695beeefb0726a5fc73e189b68f8d9fb2a3f6321ff7223b166fdd
- 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae