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Evidence row 126751

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402.professorsausages.com/gas-oracle/prices
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c5866e72c734afab67b2ecb49d72d8f7069973c584a4139a89a97ed31ae6820f
Leaf
0xd25aa80955c5ecd2adf7c1a41a51986b3bff477391546cd2aa12e97fb272b63e

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": "2026-10-21T03:31:38.419Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-21T03:31:37.984Z"
    },
    "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":"c5866e72c734afab67b2ecb49d72d8f7069973c584a4139a89a97ed31ae6820f","id":126751,"kind":"listing","method":"baseline/1","observed_us":1793025636006469,"prev":null,"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 (296695 rows).

  1. 0xd259dbecc8e69dce859736507e9ce06f294d491163146527d82c7a84489e883e
  2. 0x94ac5f1627c38cb714680c9fed2ec85fb4e2b82707fbcee250d086d8e770081d
  3. 0xc7acf7daad57b054e4b4f85bca63d4eb492756cfdc2ff7b7dff8235e20503a00
  4. 0xd6f555686599693722a2d136f6d11ff4bfc931b30d02d5ae2f102e58a7f8b2c0
  5. 0x2744d405d716105671d8c931f2420716639427c1ae88086e2e56cddfcb691db3
  6. 0xe95a1ebd05f429efa170332ea78d1dffc9b6372f28175d571fa97689f586dc48
  7. 0x84450683dcf568bbb1214d48c2aefcb90fa3ca6bee876d677260ddd531cc9184
  8. 0x11f95c9ec668f5a4e6d3db903cf3b7f3d3cfc501e416dc1a5f0400a0b06d633f
  9. 0xfbb63b4727e1ae463ce3d25820d264eca59816de60dee3823dff31e718bc8442
  10. 0xd1acd3a5e8f2e6b382461a84161503858e24e84a33d111371b0fdb2f41706bc2
  11. 0xeaf3195c275963f3eeb4749105d68120537a7f4d52fd74b2b409cf37abd6484b
  12. 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
  13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
  14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
  15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON