Evidence row 451929

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": "2026-10-27T10:11:11.439Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T22:06:42.963Z"
    },
    "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":"76f745f44e6275fd48d3c412f1161d2b38a7de54b3803a6f15bc547f4eb07ca7","id":451929,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100515769570,"prev":118437,"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 2026-10-27 (273461 rows).

1. 0x3506f9a294dc75e1dafecc20bfb063f5cf921af81a937097647960c1a042bfc9
2. 0x8d5f433bb10c4cb8ac55573e95f68f19783ce7242717357c07f42bfcd7be05f7
3. 0x70bb20fd94b726fa57765b3ff5245376addf42b037e912111b0154910eddad76
4. 0xd04ae0f4f2b33fad4cae6ba64b190c792b64418bac61ac3f246dd2bfd289766c
5. 0xa0a8f9820db3e48793957a8c759b5be8f24aa3ae7edc3b55250315c987237b62
6. 0x84730ac58e63b1e99e1ee6cb1d42f7def3ca465b6e75276bfac031f049014cae
7. 0xa741ab7f397dc8c10c039b0b91ebae612694a9f73b0a0a56f221d2b6eb2359e4
8. 0x8961a2ec04a2dde78d1865bbb4ae2fcfb4690f798f4ef7344c56bc536c4508fc
9. 0xc152073caced4e5a995d003163abcd64f3b1154b53248c267422ce29d71ffac3
10. 0x45034b1f6c5ebc39680cf8c4851196837680a23fba48314336cce947015fb3a8
11. 0x7d16ca26502bd3cffc15f5f1d96c750b48f891e77865e69e164c7296932a66f7
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4