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Evidence row 126815

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402.shizu.me/gas
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c1df4a4f5d9d486349ce1df86d7ca3f053430e64081e635ccb8df36760510a1a
Leaf
0xaef059bb6e8aaef72547ac172490efe6f1195ff678aa8fb2b56cd564c39b4c36

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.shizu.me/gas"
    ]
  ],
  "name": "EVM Gas Price Oracle",
  "owner_address": "0x217e5fe265eb78b29067bf8324ef03a7d8e167c4",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4",
        "scheme": "exact"
      }
    ],
    "description": "Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all gwei), plus the latest block number. Query: chain (base | ethereum, default base). Real-time from public RPC. Use to time on-chain transactions, estimate costs, and monitor fee spikes.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": 0.008,
              "block": 27100000,
              "chain": "base",
              "gas_price_gwei": 0.012,
              "priority_fee_gwei": 0.001
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "method"
              ],
              "type": "object"
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-21T21:43:36.654Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-21T21:43:35.878Z"
    },
    "resource": "https://x402.shizu.me/gas",
    "serviceName": "EVM Gas Price Oracle",
    "tags": [
      "gas",
      "gas-price",
      "ethereum",
      "base",
      "evm"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all gwei), plus the latest block number. Query: chain (base | ethereum, default base). Real-time from public RPC. Use to time on-chain transactions, estimate costs, and monitor fee spikes."
}

What the leaf hashes

{"body":"c1df4a4f5d9d486349ce1df86d7ca3f053430e64081e635ccb8df36760510a1a","id":126815,"kind":"listing","method":"baseline/1","observed_us":1793025637149405,"prev":null,"subject":"x402_bazaar:https://x402.shizu.me/gas","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. 0xaef049f458adda433c017abf11b426dcb3655d3a421da204e777da3efa9dc2f6
  2. 0x91e09ecd8dd925a877dc4e9be1075493d5ae55619a35377e56f84708a200d705
  3. 0xa7b017dc47612cbdccd7d58f28d55e016ad32972140a469268ac9949f79dab16
  4. 0x58a8044151f3121cdf8587dc2f08391bee5355970fcb63b3df50d98e9f30c6dd
  5. 0x41eab7ab620642839d32fc457b332e7647c7cb1a5cf4ee3a7a13ce41e2cbd2a2
  6. 0x5ce98b222cc6032c0cfaa4819697d4a77b1b5419bd797668067d9a6fc635ba39
  7. 0x19f98944597923044e306a486d8a5fe8b35f46e157084d03738793d8699e8f64
  8. 0x210883504a8db1389b91d85ae262a5f1314a8836242415405dafb269ba3f4900
  9. 0x2a68c46b8e4d47dfbc02abd4f2e679318ed73cf04bec95ec2bebc22e39cc388c
  10. 0x3107fa81688f3046afda2f948045d364316b247469a8a303ed99d9184e826a89
  11. 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
  12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
  13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
  14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
  15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  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