Evidence row 54287

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://gas.genexxis.com/now"
    ]
  ],
  "name": "gas.genexxis.com/now",
  "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": "Current gas on one EVM chain: base fee and slow/standard/fast priority fee in gwei, and USD cost of a native transfer, an ERC-20 transfer and a Uniswap swap including the L1 data fee on rollups.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": 0.005,
              "chain": "base",
              "name": "Base",
              "nativeToken": "ETH",
              "nativeUsd": 2342.74,
              "priorityFeeGwei": {
                "fast": 0.01,
                "slow": 0.00036,
                "standard": 0.00115
              },
              "transactions": {
                "erc20Transfer": {
                  "costUsd": {
                    "fast": 0.00229,
                    "slow": 0.000817,
                    "standard": 0.000938
                  },
                  "gas": 65000,
                  "l1DataFeeUsd": 0.00000112
                },
                "ethTransfer": {
                  "costUsd": {
                    "fast": 0.000739,
                    "slow": 0.000265,
                    "standard": 0.000303
                  },
                  "gas": 21000,
                  "l1DataFeeUsd": 8.75e-7
                },
                "uniswapSwap": {
                  "costUsd": {
                    "fast": 0.00633,
                    "slow": 0.00226,
                    "standard": 0.0026
                  },
                  "gas": 180000,
                  "l1DataFeeUsd": 0.00000355
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "ethereum, base, arbitrum, optimism, polygon or bsc",
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$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": "2026-10-26T11:59:02.268Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T11:59:01.752Z"
    },
    "resource": "https://gas.genexxis.com/now",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current gas on one EVM chain: base fee and slow/standard/fast priority fee in gwei, and USD cost of a native transfer, an ERC-20 transfer and a Uniswap swap including the L1 data fee on rollups."
}

What the leaf hashes

{"body":"ea87b9dd86d97bea5389daeb754aeaf39e563b5e9c4ab681cac13ce9e8fb70cc","id":54287,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025431890140,"prev":null,"subject":"x402_bazaar:https://gas.genexxis.com/now","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. 0xdf23bf5ebea122634f40ab425ebd1667674829c58b770b7aaa888a4edf490220
2. 0x7e0da5632577d1d0cf6e3f60fc8bc32f2234add264908247a5af10de2e19cf74
3. 0xc7c0d6b8aa8b9ab95fc3cc0bee0d17347f27540ed22f5082701cb05112bacacf
4. 0xeb74f23b7e33bfb8b6d0b2a3b501642950528fe11b66a3967dbb0c3b2c1dfac7
5. 0xb10f4c3024564513a47b92c5bbc9d7487afd96176df7a0c4f234db44e2b5df7b
6. 0xa9fef0e5ded25f00b7eced481badf53c001db7fa9b413be5991ebfa32907ef5a
7. 0x9fad78eb26b02a8bce8856063316cbcc29f1ce897b2919b642592f28afeebf00
8. 0x70bb815ff73d1e24a4213cb010c0f900ad15938a58da505625a60b1d37da924c
9. 0x878d58b7097597259107a894acf1838d778528cbef61c4d374b0d2654047d5a9
10. 0x764523acbc3434e3b97373c0b9f5a3550e21809fcde5d63c1823d30371921429
11. 0x81e0a64a684968fee123ac8017e882fda3952628b73684e4b974157cf7552f06
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae