← The evidence ledger
Evidence row 65498
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.carvector.io/v1/vehicles
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 064edd636d4080f8b24a1f7abd3791d2d9b624ca9fc35dc84955552236cdafc0
- Leaf
- 0xa7ebc915c7989eec70bab838572cc2cabc4aa73a103e0c10696bc043bfd0b4b2
What was observed
{
"endpoints": [
[
"x402",
"https://api.carvector.io/v1/vehicles"
]
],
"name": "api.carvector.io/v1/vehicles",
"owner_address": null,
"raw": {
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "CarVector vehicle data — single API call",
"extensions": {
"bazaar": {
"discoverable": true,
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "10",
"make": "Honda",
"model": "CR-V",
"year": "2020"
},
"type": "http"
},
"output": {
"example": {
"count": 2,
"limit": 10,
"offset": 0,
"results": [
{
"horsepower": 190,
"id": "r7s5up8tag6vomc",
"make": "Honda",
"model": "CR-V",
"year": 2020
},
{
"horsepower": 212,
"id": "p7bzfaunatpc7u6",
"make": "Honda",
"model": "CR-V Hybrid",
"year": 2020
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"description": "Results per page. Pay-per-call is served at free-tier limits (max 10).",
"type": "string"
},
"make": {
"description": "Manufacturer, e.g. Honda",
"type": "string"
},
"model": {
"description": "Model name, e.g. CR-V",
"type": "string"
},
"year": {
"description": "Model year, e.g. 2020",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 60,
"mimeType": "application/json",
"network": "base",
"outputSchema": {
"input": {
"discoverable": true,
"method": "GET",
"queryParams": {
"limit": "10",
"make": "Honda",
"model": "CR-V",
"year": "2020"
},
"type": "http"
},
"output": {
"count": 2,
"limit": 10,
"offset": 0,
"results": [
{
"horsepower": 190,
"id": "r7s5up8tag6vomc",
"make": "Honda",
"model": "CR-V",
"year": 2020
},
{
"horsepower": 212,
"id": "p7bzfaunatpc7u6",
"make": "Honda",
"model": "CR-V Hybrid",
"year": 2020
}
]
}
},
"payTo": "0x05923704d566764A6989605a7a89c3fb7D08F102",
"resource": "https://api.carvector.io/v1/vehicles",
"scheme": "exact"
}
],
"description": "CarVector vehicle data — single API call",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "10",
"make": "Honda",
"model": "CR-V",
"year": "2020"
},
"type": "http"
},
"output": {}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-24T01:24:09.943Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-24T01:24:09.593Z"
},
"resource": "https://api.carvector.io/v1/vehicles",
"type": "http",
"x402Version": 1
},
"source": "x402_bazaar",
"summary": "CarVector vehicle data — single API call"
}What the leaf hashes
{"body":"064edd636d4080f8b24a1f7abd3791d2d9b624ca9fc35dc84955552236cdafc0","id":65498,"kind":"listing","method":"baseline/1","observed_us":1793025458516756,"prev":null,"subject":"x402_bazaar:https://api.carvector.io/v1/vehicles","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).
- 0xa7ebe1e7e8ed178807055197378ff1bd421a4ab6d3ff9700acc9f5896d568e39
- 0xcc3140cff874c24be0f1c1693d19913fc052d0cd66d55e50c6112167c30d1d6d
- 0xa3a77402ca342d0c2edfc81f52538a4f5e706c65135dced625db90813d49abfb
- 0xb1d3f73aa053a501aa30b7695491ea2038215f3dcc2a133c382ce2b928bb62ff
- 0x1b361acc6c505a0e217fc41e6f543dcf22817d52ff3895131ddae1a127283295
- 0x27731ecab78db460a50652c2b295d21f3fd411954f112ffa089ca6af943b1a15
- 0x5db8ca2be47620bf73c965f683eb6498d32f3ee229912eb18beae95873f5dcd2
- 0x9e94d41434806685ade09277c46dc0450ecd0d3e036c18ec128d14912395b134
- 0xd61b7ea6f8940844292e94b0d1e771d4b8838431871949b4ec172c9c0c232dab
- 0xbc494144c316ecbc246bcf3532ead29c081e1055e0681161e67d57dd59646765
- 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
- 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
- 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae