Evidence row 526869

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": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T10:11:11.264Z"
    },
    "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":"b22726a02b78c4ba399946f50077bba552bfbc229f2f2474ed28fc2b36ed33a7","id":526869,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124792285942,"prev":451929,"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. 0x1318229766e6f6fb72a0c516bfcc891d3872dff4444d7b54bf24b675463f50c7
2. 0xd17d545f0ebf206d3d50331acaf99aac69324a9ca995c26224bdc58e74dbbef3
3. 0x0c39d742047d149364b55e890ce84f972e527407577cfce7aabb791869bf41cf
4. 0x4a96af2510e557cab1cde43d58fdc6651a0a208b44d1518902f0ffb16da3853d
5. 0x28588ea9c7bba42704973aaa909211247345c8365ae19ec1cef1bea1c8167034
6. 0x1e7f1ecef99b99edca0269d80d5abc043cdeb1319fd112b9e2a0a4e456c3d556
7. 0x49595041173cf265c5fed6c18e5c75cb525d567cd34a493f00ededcadfd839d6
8. 0xf5a3f05618f59d481523896bdc0688eb1aa6f7ac208033f70bf62f5ea8b005fb
9. 0xe29c69d669db5d1fe08b6663bd7eb2d8c2a319f65c518a9845027e821432e9aa
10. 0x293389d8bbf7e8a1871ff39d038db361b811e4dd592a19d859230a2b72aa4072
11. 0xf3282d08aac8493b8388904acc143add67b80dc96ecc149d4372cab1977d5e98
12. 0x7578555e40efa7fabcea1fc203440565253b358954d398ba44e9e10d228eb3b9
13. 0xedf6ab3c3733ce137d888d3e5f7006ba77ab04b8f1fe576519f7b056959665ee
14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4