Evidence row 125283

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-gateway-production-1f21.up.railway.app/gas-price"
    ]
  ],
  "name": "x402-gateway-production-1f21.up.railway.app/gas-price",
  "owner_address": "0xf7eb4b12d673df433d76b2dbd9ca41db3fe1836e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "minDeposit": "10000",
          "name": "USD Coin",
          "receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
          "version": "2",
          "withdrawDelay": 900
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
        "scheme": "batch-settlement"
      }
    ],
    "description": "Gas price in the Roundhouse canonical contract: CAIP-2 chain to current base_fee_gwei and as_of. Recurring fee-state primitive for transaction timing and autonomous execution.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "eip155:8453"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "status": "ready"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "chain": {
                      "default": "eip155:8453",
                      "enum": [
                        "eip155:8453",
                        "eip155:1"
                      ],
                      "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"
        }
      }
    },
    "lastUpdated": "2026-10-25T22:01:00.02Z",
    "quality": {
      "l30DaysTotalCalls": 38,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T22:00:59.81Z"
    },
    "resource": "https://x402-gateway-production-1f21.up.railway.app/gas-price",
    "tags": [
      "blockchain",
      "evm",
      "wallet",
      "balance",
      "erc20"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Gas price in the Roundhouse canonical contract: CAIP-2 chain to current base_fee_gwei and as_of. Recurring fee-state primitive for transaction timing and autonomous execution."
}

What the leaf hashes

{"body":"3bad20fb2ccac6c56f044f27813480f5cb6acac1e957a9bd6cdee058b0db127c","id":125283,"kind":"listing","method":"baseline/1","observed_us":1793025626028319,"prev":null,"subject":"x402_bazaar:https://x402-gateway-production-1f21.up.railway.app/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 2026-10-26 (296695 rows).

1. 0xfe40a5cc872de5544c982882b51331c17d5cad41f6b1f6ff44703f3d4a4f5e6a
2. 0x50e6ff5a93c7be7d636d2a409cc6380ad19b0f2206d6224ed516e7a6e142843f
3. 0x5d979efda4a5a6f5a926ec86deea3bb60b4aefd4dc29ca9c62422f60211308e2
4. 0x49d36a489e7f13faa2824bf0d3afae13e44af1936c588966a2873957c05ee41a
5. 0x6d22ba33d0c228fb4fc62c8ec888e42e79a75c77d25e1195bc540e921a9d5309
6. 0x3a09c96f2fb05755d242cdd554eafc3e2ec40f8eaa39512b8d25e706c769b094
7. 0x88f577566d8bf1cd3dea6e4f1126b6cd95f415d83da4323e707f76f4f4d86158
8. 0x08233d90c2d164d79080a9badaff78057c8a9f3196eb82e3b5516efcd107baaf
9. 0x840b3edd5ecf603d6b676f1b4157b83142f10e25204efe418de46be7a37135bf
10. 0x53f4adead19f010a0cb7fa8d5eab040e5cd149da0d3677578375a3b33d54ca60
11. 0xf45641bf26b2b86d9338aa6dc8640a8a378fbd786d23400636aaf30709453e50
12. 0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae