addrbookFor publishers
← 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).

  1. 0xa7ebe1e7e8ed178807055197378ff1bd421a4ab6d3ff9700acc9f5896d568e39
  2. 0xcc3140cff874c24be0f1c1693d19913fc052d0cd66d55e50c6112167c30d1d6d
  3. 0xa3a77402ca342d0c2edfc81f52538a4f5e706c65135dced625db90813d49abfb
  4. 0xb1d3f73aa053a501aa30b7695491ea2038215f3dcc2a133c382ce2b928bb62ff
  5. 0x1b361acc6c505a0e217fc41e6f543dcf22817d52ff3895131ddae1a127283295
  6. 0x27731ecab78db460a50652c2b295d21f3fd411954f112ffa089ca6af943b1a15
  7. 0x5db8ca2be47620bf73c965f683eb6498d32f3ee229912eb18beae95873f5dcd2
  8. 0x9e94d41434806685ade09277c46dc0450ecd0d3e036c18ec128d14912395b134
  9. 0xd61b7ea6f8940844292e94b0d1e771d4b8838431871949b4ec172c9c0c232dab
  10. 0xbc494144c316ecbc246bcf3532ead29c081e1055e0681161e67d57dd59646765
  11. 0xe5e83afe0ce08c2497f8492757a4767cf2409aaae2061487f80e1d45646872f8
  12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
  13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
  14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON