Evidence row 120743

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/transport/trip-cost
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: a969ebcd3ab9bd8ad5dd6cb29b5650e20cd82c62af754565f8eba67811caf19e
Leaf: 0xcd21cc6db872643a27b2c8a8c5a2b50e2d1302feb8cd4c1c8a4d84edeafdd383

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/transport/trip-cost"
    ]
  ],
  "name": "Saylor Innovations  Vehicle Trip",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:transport:trip-cost",
          "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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:transport:trip-cost",
          "reference": "24rQyP9Pw86cSaaWhzJNxo12dexFRfwQq5NsUiuYbk3N",
          "session": "eyJhcnRpY2xlSWQiOiJ0cmFuc3BvcnQ6dHJpcC1jb3N0IiwicmVmZXJlbmNlIjoiMjRyUXlQOVB3ODZjU2FhV2h6Sk54bzEyZGV4RlJmd1FxNU5zVWl1WWJrM04iLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MTgxMTY5NTExNX0.FvIyluSPGRR0oC6CwIl-rCr4Sm0crRWkqN85iOptlM8"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Vehicle trip fuel use and cost from distance, efficiency and fuel price",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "distance_km": 300,
              "efficiency_km_per_liter": 15,
              "fuel_cost": 36,
              "fuel_price_per_liter": 1.8,
              "scope_note": "Estimate only; real-world driving varies."
            },
            "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"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "distance_km": {
                      "type": "number"
                    },
                    "efficiency_km_per_liter": {
                      "type": "number"
                    },
                    "formula": {
                      "type": "string"
                    },
                    "fuel_cost": {
                      "type": "number"
                    },
                    "fuel_price_per_liter": {
                      "type": "number"
                    },
                    "liters_used": {
                      "type": "number"
                    },
                    "scope_note": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "distance_km",
                    "efficiency_km_per_liter",
                    "fuel_price_per_liter",
                    "fuel_cost",
                    "scope_note"
                  ],
                  "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/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-12T13:26:15.171Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T13:26:14.993Z"
    },
    "resource": "https://saylorinnovations.com/api/transport/trip-cost",
    "serviceName": "Saylor Innovations  Vehicle Trip",
    "tags": [
      "transport",
      "fuel",
      "trip",
      "ev-range"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Vehicle trip fuel use and cost from distance, efficiency and fuel price"
}

What the leaf hashes

{"body":"a969ebcd3ab9bd8ad5dd6cb29b5650e20cd82c62af754565f8eba67811caf19e","id":120743,"kind":"listing","method":"baseline/1","observed_us":1793025618556099,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/transport/trip-cost","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON