Evidence row 119423

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/brazil/vehicle-price"
    ]
  ],
  "name": "Saylor Innovations Brazil Data",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:brazil:vehicle-price",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:brazil:vehicle-price",
          "reference": "2fhJzRahZgWMNBrgzZyamWCgyGLAGejp8e5V4smh3FsZ",
          "session": "eyJhcnRpY2xlSWQiOiJicmF6aWw6dmVoaWNsZS1wcmljZSIsInJlZmVyZW5jZSI6IjJmaEp6UmFoWmdXTU5Ccmd6WnlhbVdDZ3lHTEFHZWpwOGU1VjRzbWgzRnNaIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTE4MDkyMjYwNjV9.OgOIQCQV31GBLAclfmFR-hsu4Gbo2Ir3-BBbGzW5wKw"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Brazilian vehicle reference price (Fipe table) by brand, model and year - price in BRL by fuel type",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "brand": "VW",
              "model": "Gol",
              "year": "2018"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "brand": "VW - VolksWagen",
              "found": true,
              "model": "Gol 1.6 Mi",
              "source": "Fipe reference table (via parallelum.com.br)",
              "variants": [
                {
                  "fipe_code": "005340-1",
                  "fuel": "Flex",
                  "price_brl": "R$ 45.678,00",
                  "reference_month": "setembro de 2026"
                }
              ],
              "year": "2018"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "brand": {
                      "description": "vehicle brand, e.g. VW, Fiat, Chevrolet (query)",
                      "type": "string"
                    },
                    "model": {
                      "description": "model name substring, e.g. Gol, Onix (query)",
                      "type": "string"
                    },
                    "year": {
                      "description": "optional model year; omit to list available years (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "brand": {
                      "type": "string"
                    },
                    "found": {
                      "type": "boolean"
                    },
                    "model": {
                      "type": "string"
                    },
                    "variants": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "found"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-12T12:45:06.114Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T12:45:05.942Z"
    },
    "resource": "https://saylorinnovations.com/api/brazil/vehicle-price",
    "serviceName": "Saylor Innovations Brazil Data  ",
    "tags": [
      "brazil",
      "vehicle-price"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Brazilian vehicle reference price (Fipe table) by brand, model and year - price in BRL by fuel type"
}

What the leaf hashes

{"body":"7408fcb01b99036dd2c35b620685a73e672bab2bda2521fdd94f41ae938b5c00","id":119423,"kind":"listing","method":"baseline/1","observed_us":1793025615329556,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/brazil/vehicle-price","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc661bee0ab45d2d5e384a4465b758d11e9b7647748592401d9d34a987d72d33d
2. 0xd3a76e1c07ea37e4ca5a68829a3adc4871e8d135379ccd2dbc335a6a699e3aa5
3. 0xce4021f49d0a154033b8ce5ec6bf28747db64fdf46585ed3f11a87893d802e45
4. 0x9e71236b9d79195185c911da6f37c7351f6082d322ae2a44373376663cb0c00a
5. 0x405f63c7765bfbfaa8b0f7c15faf66f417e2d0c70536a9be2cefe81708940920
6. 0xf21b209a14d4d089f0898c7287ee182e56947d11bbcc5b8167cfc02e181f40bc
7. 0xf35ca4e2ee8e5d52439a73c065fee38777bed5844f91c64b05d184660d6b83e6
8. 0x277ee33f5a53cc1d9400a7a6777960402a565fc52dea8cc2c1b79b280c1e686f
9. 0x79b4b6922735bbc24ec16025e5520fde393f123baf39d59a4efed8975432b7ce
10. 0x77833f2057f63ba21890736f404da58878f6b36427cb005b3298dae4d3753b74
11. 0xcf79908a8c2a5f4d274583b3f75e7aa2d8b29ffc384541425852fe761ae31d56
12. 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae