Evidence row 75720

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://gas.genexxis.com/compare"
    ]
  ],
  "name": "gas.genexxis.com/compare",
  "owner_address": "0x9287e3102d411029025c7617d75245bfc7920f17",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9287e3102D411029025C7617d75245BFc7920f17",
        "scheme": "exact"
      }
    ],
    "description": "Cost in USD of the same transaction (given gas units) on Ethereum, Base, Arbitrum, OP Mainnet, Polygon and BNB Chain right now, sorted cheapest first, with slow/standard/fast tiers.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "gas": "65000"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chains": [
                {
                  "chain": "optimism",
                  "costUsd": {
                    "fast": 0.000763,
                    "slow": 0.00000167,
                    "standard": 0.0000169
                  },
                  "nativeToken": "ETH"
                },
                {
                  "chain": "base",
                  "costUsd": {
                    "fast": 0.00229,
                    "slow": 0.000817,
                    "standard": 0.000938
                  },
                  "nativeToken": "ETH"
                },
                {
                  "chain": "bsc",
                  "costUsd": {
                    "fast": 0.00476,
                    "slow": 0.00238,
                    "standard": 0.00238
                  },
                  "nativeToken": "BNB"
                },
                {
                  "chain": "ethereum",
                  "costUsd": {
                    "fast": 0.159,
                    "slow": 0.00691,
                    "standard": 0.00753
                  },
                  "nativeToken": "ETH"
                }
              ],
              "failed": [],
              "gas": 65000
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "gas": {
                      "description": "gas units of the transaction (21000-30000000), default 65000",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-25T00:10:31.209Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T00:10:30.752Z"
    },
    "resource": "https://gas.genexxis.com/compare",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cost in USD of the same transaction (given gas units) on Ethereum, Base, Arbitrum, OP Mainnet, Polygon and BNB Chain right now, sorted cheapest first, with slow/standard/fast tiers."
}

What the leaf hashes

{"body":"eea998b70734d82392cad2fc51e4b7ca99b2160054120ec1a65a968873e8e267","id":75720,"kind":"listing","method":"baseline/1","observed_us":1793025491028062,"prev":null,"subject":"x402_bazaar:https://gas.genexxis.com/compare","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. 0x7659a7d7b64e59618438ef50da85e4d095302b615f711f743fb097e5b01b6b84
2. 0xe54b32d57010b5f975b89e01e948ad0cfef6699fda3c20de183a1dd0a38b0ae7
3. 0xe37f4c503a1fb4bb21b8a4698aea87e56729378724dc876dc7dba1fff6b647dc
4. 0xc30e88167faa3dfa9b4e091184bb767adb4bcd7a5c989672b61ce901acbef101
5. 0x3f0050fda2be2e8e12a036fa41e06ce8b12f0866a147684cbc11e85b53fc86b1
6. 0xbc7eb5a78bfe9ce6dfcc8aff8fe7d38cfdaf48b757c43bb5f9febc5b430ca808
7. 0xc971f8a713429bab0c5058ec7a457666751a27927c9f0c3a03cef251d623401b
8. 0x8e72be5c9eb6bf6464fbddca2f0c663dd1e5522e913a7141e2e2285c09e6787f
9. 0xc2422313ac6619bd32eae15f48b17cd8f95d2f3d1de81e39ad628d07c2d4051f
10. 0x0e4e5a49876eb9d3620d41239a02b9ca5f630f9d96c45832d28ded515ead4cac
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae