Evidence row 2201132

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://penger-oracle.run402.com/api/base-gas"
    ]
  ],
  "name": "VerifyOracle",
  "owner_address": "0x91799aa29fb7e2d3e6dfa738c67693e5e83b9fa3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "amount_usd_micros": 1000,
          "hosted_by": "run402",
          "name": "USD Coin",
          "pay_to": "org_default_payout",
          "route_pricing_network": "mainnet",
          "run402_payment_kind": "tenant_route",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x91799aa29fb7e2d3e6dfa738c67693e5e83b9fa3",
        "scheme": "exact"
      }
    ],
    "description": "Live Base Mainnet (chainId 8453) gas price and EIP-1559 baseFeePerGas directly from Base public RPC.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeePerGasGwei": 0.004,
              "blockNumber": 25000000,
              "chainId": 8453,
              "gasPriceGwei": 0.005,
              "gasPriceWei": "5000000",
              "network": "base-mainnet",
              "priorityFeeSuggestionGwei": 0.001,
              "source": "mainnet.base.org",
              "timestamp": "2026-10-21T12:00:00.000Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-11-02T04:34:07.933Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-02T04:34:07.753Z"
    },
    "resource": "https://penger-oracle.run402.com/api/base-gas",
    "serviceName": "VerifyOracle",
    "tags": [
      "base",
      "gas",
      "rpc",
      "eip1559",
      "run402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live Base Mainnet (chainId 8453) gas price and EIP-1559 baseFeePerGas directly from Base public RPC."
}

What the leaf hashes

{"body":"b190e15a188da6969adc7c8538463bcfcce319f9e00fe08040ba48d4846c0beb","id":2201132,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646800440244,"prev":526869,"subject":"x402_bazaar:https://penger-oracle.run402.com/api/base-gas","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x36e7680ede239cdce9fab66ad578855d469a4bc759f0ce84990f39b02c84126f
2. 0x2769548ad836d9e839955c382c73ba82a5ca3c6d58df322a701d566380b88379
3. 0x0c3e1e4d7589970b7d6fd76d1017678a1d38fb3a22fbdd91a1acad54b2814b31
4. 0x2d88b23e1876bde7ae24ca38f1d93b56c4836a30ee977b25f1a0b7edc2db9add
5. 0x32dd78c2e33fc4b1fa164f5831b1bfb060b4dd933ff51c6097a30f62a9a89ef0
6. 0x64176a9898668f268ceeb7a7c407d36c7e316b9e6d78bb4608a363e38963a7fd
7. 0x5b39407b992f60ad34aae44e9b1b17bb0cc4852ce994aff5c494e47b8f3c957d
8. 0x4fbd97ed37810a33eb370167fd854b806ec57d64e5faf8a6c9e85619ab450777
9. 0x44d50ff75dd8a0d06054312bce87b630b3b3c4e5f30a8a3ca79305afeb9a2476
10. 0xeff3417b40c3a2c36bef3fe3aa1b3ae96631af4135f96e58ce7549b825f27a50
11. 0xb13b84c12a02d0a8c81f9df5e2bee0e7fa42376f155b87a965b7c9d41b91da66
12. 0xf2afd692f9ecc84d8043fb7e2199fc37af44471368455fe6d2ad7651f20ae534
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af