Evidence row 752162

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.professorsausages.com/gas-oracle/prices"
    ]
  ],
  "name": "Multichain Gas Oracle",
  "owner_address": "0x54ebfcf3870439b9db62381848c5dabc05c70d5b",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
        "scheme": "exact"
      }
    ],
    "description": "Chainlink native-token USD prices (ETH/BNB/POL) with round metadata",
    "extensions": {
      "bazaar": {
        "category": "defi",
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "properties": {
              "about": {
                "description": "What this response is and where its data comes from, in one sentence.",
                "type": "string"
              },
              "decimals": {
                "type": "integer"
              },
              "fetchedAt": {
                "type": "string"
              },
              "freshness": {
                "description": "How fresh the data is, measured when you called. `age_seconds` is the number to act on; `max_age_seconds` is the refresh cadence (null = deterministic, cannot go stale).",
                "properties": {
                  "age_seconds": {
                    "minimum": 0,
                    "type": "integer"
                  },
                  "as_of": {
                    "description": "Newest datum this answer is based on (ISO 8601).",
                    "type": "string"
                  },
                  "max_age_seconds": {
                    "minimum": 0,
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "note": {
                    "type": "string"
                  },
                  "tier": {
                    "example": "nightly",
                    "type": "string"
                  }
                },
                "required": [
                  "tier",
                  "as_of",
                  "age_seconds",
                  "max_age_seconds"
                ],
                "type": "object"
              },
              "prices": {
                "description": "Keyed by symbol (ETH/BNB/POL).",
                "type": "object"
              },
              "related": {
                "additionalProperties": {
                  "type": "string"
                },
                "description": "Next steps as paths on this origin. Each is priced by its own 402 challenge; GET /.well-known/x402 prices the whole origin in one free call.",
                "type": "object"
              },
              "source": {
                "enum": [
                  "chainlink-on-ethereum"
                ],
                "type": "string"
              }
            },
            "required": [
              "prices",
              "source",
              "decimals"
            ],
            "type": "object"
          }
        },
        "routeTemplate": "https://x402.professorsausages.com/gas-oracle/prices",
        "schema": {
          "properties": {
            "input": {
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "help": {
        "docs": "https://x402.professorsausages.com/gas-oracle",
        "example": "https://x402.professorsausages.com/gas-oracle/prices",
        "openapi": "https://x402.professorsausages.com/gas-oracle/openapi.json",
        "sample": "https://x402.professorsausages.com/gas-oracle/sample"
      }
    },
    "lastUpdated": "2026-10-28T03:31:32.843Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-28T03:31:32.387Z"
    },
    "resource": "https://x402.professorsausages.com/gas-oracle/prices",
    "serviceName": "Multichain Gas Oracle",
    "tags": [
      "gas",
      "fees",
      "eip1559",
      "l2",
      "evm"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Chainlink native-token USD prices (ETH/BNB/POL) with round metadata"
}

What the leaf hashes

{"body":"0f5849787b06534d819347ada57c27c1abb03b5f3221b6181d554c414232d85f","id":752162,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178812768848,"prev":126751,"subject":"x402_bazaar:https://x402.professorsausages.com/gas-oracle/prices","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x16219eb8ea337b605b86457a2f10d4fb7f73e14f9d75d3f1011c2563d1783056
2. 0x39c1ff0ad92b6b4c790ac5a8f0fa7cf123672d25702fe42cd4568097d76d410b
3. 0x771def83b3dd583da8a22ac7f9cd411f3ead07625d0a84df2efe06ccbe3ca17f
4. 0xd27c1faa9bfc7c00020b071c0e38e090fa3d4ae67335efc28db01afe4cd94aac
5. 0x283d65cc717fab6d1cf28221dc01a583862c395dc2fa0b98722feded317490e4
6. 0xf8692b5a5d8352d02e3a752950f259a86ad6f7e7daab92a4f4461429339db30d
7. 0x4204b42f6f8ab021db48bec9d9545d285ff4810279b1d6a6888cb0e027273628
8. 0x064f975bccd4ce8a55c8a8f39eb4d7019e8d798d420fd058e882f9c8f05560c8
9. 0x96911679e77f51647584d9c4a8ab60de19c758f4735158da92d0d9d7a4849b83
10. 0xff67e27c02f8242516876b167411b74b3f2b563dbab435efd9979cabb5d81b7d
11. 0xb10705f81943cd4fbe0a546ed91726ca401baeb3464ea12e96cb49674f018670
12. 0x71efc28c2e14cb043457b6e4ace2ab05dc5b4575f4ad63fd87b311c3af7569aa
13. 0x7fa5866908096f0b22f929078a2cec5d1e2891fa5835c6c55f26448d682790ec
14. 0xdf8e9d4c523b87b2bea3cc4d461fe94e163080e98a261c596a4641e3fcaf7cc4
15. 0x4698ebc7cbcb2286f661b867355eb6a9183e884482ee16965889e886b17d19ac
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae