Evidence row 749993

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.agentindex.world/gas-price"
    ]
  ],
  "name": "gas-price-checker",
  "owner_address": "0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
        "scheme": "exact"
      }
    ],
    "description": "Read the live gas price, EIP-1559 base fee and estimated native-transfer cost on Base, Ethereum, Polygon, Arbitrum or Optimism. No RPC key or account. Try GET /gas-price/sample.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "network": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee": {
                "gwei": 0.0009,
                "wei": "900000"
              },
              "block_number": 51500000,
              "gas_price": {
                "gwei": 0.001,
                "wei": "1000000"
              },
              "native_transfer_estimate": {
                "fee_native": 2.1e-8,
                "fee_wei": "21000000000",
                "gas_limit": 21000,
                "symbol": "ETH"
              },
              "network": {
                "caip2": "eip155:8453",
                "key": "base",
                "name": "Base"
              }
            },
            "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": {
                    "network": {
                      "description": "EVM network to read; defaults to Base.",
                      "enum": [
                        "base",
                        "ethereum",
                        "polygon",
                        "arbitrum",
                        "optimism"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base_fee": {
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "block_number": {
                      "type": "integer"
                    },
                    "gas_price": {
                      "type": "object"
                    },
                    "native_transfer_estimate": {
                      "type": "object"
                    },
                    "network": {
                      "type": "object"
                    },
                    "x402_receipt": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "network",
                    "block_number",
                    "gas_price",
                    "native_transfer_estimate"
                  ],
                  "type": "object"
                },
                "type": {
                  "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/v1790530885/bazaar-icons/fde5dd6af2b2b42f.png",
    "lastUpdated": "2026-10-25T23:37:35.961Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-25T23:37:35.502Z"
    },
    "resource": "https://x402.agentindex.world/gas-price",
    "serviceName": "gas-price-checker",
    "tags": [
      "gas",
      "fee",
      "EVM"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read the live gas price, EIP-1559 base fee and estimated native-transfer cost on Base, Ethereum, Polygon, Arbitrum or Optimism. No RPC key or account. Try GET /gas-price/sample."
}

What the leaf hashes

{"body":"4a85e2fd2cf088aaed04f3577a02363f616fefce8e74352e1e18111b3e42529b","id":749993,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178670020256,"prev":125592,"subject":"x402_bazaar:https://x402.agentindex.world/gas-price","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x6109258e58e5aa30dc4c93a10cad619c49a0e5a7b1c0bec355738fd2dfccf70a
2. 0xb852aee7aab2e71dfe1a8a5bb321ea15d69cf38858c41ca3a84a0fb51f9f521c
3. 0x27733bf246470abf46e7b7f7a6304f066027de5cd7ef78bdaaccb651c68955cb
4. 0x6d12b1eca7bec7c79b89c493f6dd868550682e421e9663389dcc4a326dad00ca
5. 0x5ac90f6fde8a3a5d9ee0636b54784dd6e8760a9def729378b7f1a94f13b5dc89
6. 0x846952952afa783a81657035823bd3190e539fb7483f9e013388d6eb2d5bff90
7. 0x11b5d8abc5ea9bef44a51452cca49883fb6235669de133288232fc47de9db587
8. 0x07dadde607ceefd92c29c56e83f26a3af6176cc354783847878f5a3af5293b9b
9. 0x0642b958432044bbe822a96222cb8aabcaf034bafd0d0d1c847caa1211501d9e
10. 0x1be8c104a5f100ae9f40c83c49326e320b18acd3d876a6a071f24f20eef4d070
11. 0x9d34d71aac2b5b83360daa775580939ed44f9c600996a6ac1f7ba073acd25fe6
12. 0x08c335f610221b2accff009e6da02a820a7090e3842d0eabb28540e71d0acea6
13. 0x05b3d42cfeebe257d8d456af82d1a90957f371989ded6d869ae723454504d258
14. 0x8db2587099a4011758c742fc2aad940742aa47abddf6007f131e0d5ab4a9e92b
15. 0xe6054de1f67b1e6f15bcf16d2b6536cf35dd9705fdf6ce59853e79784693ab5f
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae