Evidence row 19375

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.marketintelligenceapi.com/api/v1/markets/gas"
    ]
  ],
  "name": "Market Intelligence API",
  "owner_address": "0x48d5a78d480b4c32de319c2aef69e682dc304615",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:137",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:42161",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9CAhY1vdaZfrfoto3KLQtRAo1dVWxNn5xAfmc2XbZVsf",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:480",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      },
      {
        "amount": "900",
        "asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
        "extra": {
          "name": "EURC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      },
      {
        "amount": "900",
        "asset": "0x1C60ba0A0eD1019e8Eb035E6daF4155A5cE2380B",
        "extra": {
          "name": "EURC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:480",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:84532",
        "payTo": "0x48d5A78d480B4C32dE319C2aEF69e682Dc304615",
        "scheme": "exact"
      }
    ],
    "description": "Gas price and transaction fees per chain ($0.001): base fee, priority fee percentiles and the USD cost of a transfer and a DEX swap on Ethereum, Base, Arbitrum, Optimism, Polygon and other EVM chains. Use before sending a transaction to pick the cheapest chain.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "chains": [
                {
                  "baseFeeGwei": 0.0071,
                  "chain": "base",
                  "gasPriceGwei": 0.0092,
                  "nativeToken": "ETH",
                  "swapCostUsd": 0.00368,
                  "transferCostUsd": 0.000515
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "example": {
                  "description": "Example JSON response returned by this endpoint"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        }
      },
      "sign-in-with-x": {
        "info": {
          "domain": "api.marketintelligenceapi.com",
          "expirationTime": "2026-10-26T02:40:52.458Z",
          "issuedAt": "2026-10-26T02:35:52.458Z",
          "nonce": "938ee1c85ab7e3d4265b0bd96e3d8d48",
          "resources": [
            "https://api.marketintelligenceapi.com/api/v1/markets/gas"
          ],
          "statement": "Pay this call from the prepaid credit of this wallet (bought with POST /api/v1/credits/buy/5)",
          "uri": "https://api.marketintelligenceapi.com/api/v1/markets/gas",
          "version": "1"
        },
        "supportedChains": [
          {
            "chainId": "eip155:8453",
            "type": "eip191"
          },
          {
            "chainId": "eip155:137",
            "type": "eip191"
          },
          {
            "chainId": "eip155:42161",
            "type": "eip191"
          },
          {
            "chainId": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
            "type": "ed25519"
          },
          {
            "chainId": "eip155:480",
            "type": "eip191"
          }
        ]
      }
    },
    "lastUpdated": "2026-10-26T02:35:52.515Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-26T02:35:52.271Z"
    },
    "resource": "https://api.marketintelligenceapi.com/api/v1/markets/gas",
    "serviceName": "Market Intelligence API",
    "tags": [
      "gas",
      "gas oracle",
      "fees",
      "evm",
      "transactions"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Gas price and transaction fees per chain ($0.001): base fee, priority fee percentiles and the USD cost of a transfer and a DEX swap on Ethereum, Base, Arbitrum, Optimism, Polygon and other EVM chains. Use before sending a transaction to pick the cheapest chain."
}

What the leaf hashes

{"body":"c5a925fa3c7e4869fb7b8268762b7a43fff071f3962849bc3e8718b5a2334ac5","id":19375,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025331579223,"prev":null,"subject":"x402_bazaar:https://api.marketintelligenceapi.com/api/v1/markets/gas","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. 0xe46e6abdfc4cab3118ec71062ffb3a740c709c127e266ed64b229ed51f5b0358
2. 0x5ec4f777c86c8c675034101171ce2ae90cdea58e999456c916d65d4e7ee46322
3. 0xd9a4fa12801ba85a9b3f2a63f8fcccab5e089cdb01a2f55c3721ecdc3f501040
4. 0xef44156a9d67cd2985c14e5327308b5b53d041e1387e41f4288c8cbe569c5f56
5. 0xe23141ef1efe5d78f1fe2dc067f22ff03ebce8defcfcd43c4aee881d22b336f4
6. 0xe6cebd7ab54dd23f4d38f2af1d9d1951a4a727095a2333a8e518db4377301466
7. 0xc76749591b775b022e92e9d6fff056890b11d73ee3ed2e8bb88ea38d949f95c0
8. 0x4884a2ca9f8fdd4fe4a8ab1cd4a01c5e1888680bfa16a019bf0e70b2ba248978
9. 0x45d3c59c7999f42e6d930b3fe7fb7f47d05513d5a89633dbd7b18dc84b21d207
10. 0x15726dc36d12291b4937cc1d22f325d4939ad46dd10d4e44468a88a8cc8329ed
11. 0x162e0da99198c9cdc9c43bf4626e85f4a7092fdb31ea15c7126e1f98b20eaa56
12. 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae