← The evidence ledger
Evidence row 126069
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.forgemesh.io/car-safety-ratings
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b9f1b8523641f88d5b8ca75de65801536dfef67c5db6987fb6a1ea60df02f76a
- Leaf
- 0x1e11cfccaf82fdfc16b00bb49c754ae5e4d52f989e354697b331099d271539a3
What was observed
{
"endpoints": [
[
"x402",
"https://x402.forgemesh.io/car-safety-ratings"
]
],
"name": "x402.forgemesh.io/car-safety-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": "Car safety star ratings from government crash testing: overall, front, side, and rollover ratings (1-5 stars) for any rated year/make/model or VIN, with per-seat breakdowns and rollover probability. Lists sibling variants (body styles, drivetrains) so agents can rate the exact configuration. Structured JSON.",
"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": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"make": {
"description": "e.g. honda",
"type": "string"
},
"model": {
"description": "e.g. accord",
"type": "string"
},
"model_year": {
"description": "4-digit year",
"type": "string"
},
"vehicle_id": {
"description": "rate a specific variant returned in other_variants",
"type": "integer"
},
"vin": {
"description": "VIN — decoded automatically (alternative to make/model/model_year)",
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"info": {
"required": false
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
"resourceUrl": "https://x402.forgemesh.io/car-safety-ratings",
"scheme": "exact",
"validUntil": 1791440104,
"version": 1
},
"signature": "0xf9c60b74bab083e8320c0d825e81b9fcd10db72e69c51739123cc35412e229de34ccbfe8b5da56a7ab8bf4464f1a3080c01342d504c8920718bf78e1db64020a1b"
}
]
},
"schema": {
"$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": "2026-10-08T06:10:04.264Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:10:04.151Z"
},
"resource": "https://x402.forgemesh.io/car-safety-ratings",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Car safety star ratings from government crash testing: overall, front, side, and rollover ratings (1-5 stars) for any rated year/make/model or VIN, with per-seat breakdowns and rollover probability. Lists sibling variants (body styles, drivetrains) so agents can rate the exact configuration. Structured JSON."
}What the leaf hashes
{"body":"b9f1b8523641f88d5b8ca75de65801536dfef67c5db6987fb6a1ea60df02f76a","id":126069,"kind":"listing","method":"baseline/1","observed_us":1793025627179758,"prev":null,"subject":"x402_bazaar:https://x402.forgemesh.io/car-safety-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).
- 0x1e11b99416adc63b7158bea7667af7b49f6d19c3611b2cfd750bab210f1c6d02
- 0x49937d1e4a5b15c4dd48180bd25923395cf11a04a7c16837ae115f636738c507
- 0x58062107d99f02673eab24f4f3b8bf405efd1e0602c4be37b311f3f475114f5c
- 0xcf8173400fef55b30fb7f01b3dc858f3264494573b1bd948d8c492683984e6c6
- 0x8de063a3003ba012df127128d91c29b138d96890d77d56f169283d7ea6fd14dc
- 0x4eab594a79d5ca71906f55c21348060ff7defd2c4ab4f1a0c5f2ed38be1fd797
- 0xe1ab50a269ee024e25d8fba78ce9c7770bcad2467664fb3bfd0bdfa319f3bcb9
- 0xce9b7e4bdc738c6d62f33f45370fd61aac9fb9489d5121e97313de863e8b5047
- 0x39b8e29865fbd92f41416dc25108934c5310755d093e4bda1b3dbd6b131aaf6a
- 0x25369e64d1405d0c4e7fe9646ccf55bf37eedc440887efa43e03c57f5c2a6707
- 0xf0f77ed1d484625ddaf2f6e58baa64c9dec47a22b1a6beb91219a17bddac7dfa
- 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
- 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
- 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae