Evidence row 72068

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ca-tax-api-mainnet.lxtap.workers.dev/eth/gas?"
    ]
  ],
  "name": "Ethereum Onchain Data",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "Current Ethereum gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": "0.316485501",
              "blockNumber": 26249161,
              "blockTime": "2026-10-22T15:49:59.000Z",
              "chain": "eth",
              "estimatedCost": {
                "erc20Transfer": {
                  "native": "0.000020571557565",
                  "usd": 0.04934
                },
                "nativeTransfer": {
                  "native": "0.000006646195521",
                  "usd": 0.01594
                }
              },
              "gasPriceGwei": "0.316485501",
              "maxPriorityFeeGwei": "0.000003839",
              "nativeSymbol": "ETH",
              "nativeUsd": 2398.41
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "required": [],
                  "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": "2026-10-22T15:57:23.565Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-22T15:57:23.417Z"
    },
    "resource": "https://ca-tax-api-mainnet.lxtap.workers.dev/eth/gas?",
    "serviceName": "Ethereum Onchain Data",
    "tags": [
      "ethereum",
      "onchain",
      "erc20",
      "token",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Ethereum gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD)."
}

What the leaf hashes

{"body":"ba44e4a9f14f8d93e5fdd13d345ebc7d35f789b17faff0e89fa972b54fd6f5f7","id":72068,"kind":"listing","method":"baseline/1","observed_us":1793025485251292,"prev":null,"subject":"x402_bazaar:https://ca-tax-api-mainnet.lxtap.workers.dev/eth/gas?","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xde694fd3841c3c35fc073dd5720327927f0d29e907a6567e60a158e5134cedc2
2. 0xf6518b21b40a8d822a5a8a31e9faf9a0f078b3cdd7535d2a7fb719ead3f06599
3. 0x5f7931190b5a4e7803b07df5f59afb2c102c5ba8bdf84e2680047b49b0637682
4. 0x66976f3f8448ff63016c4ce9b882b5fc54ec4e9badce01da69f6710c4ec0c027
5. 0x396bcf4fddf8ef443225a292b04c54c95121e4bc50b63199ea0f99fa0b1b29f8
6. 0x717804373c8a24883942a8c30fe3284930613526007be44c2bc029a83eea1d61
7. 0x013a78e43f0f22265c63d1abaf3b426e5aefe76d6336092f3c357b65c0dec1aa
8. 0xee7e1e1638cc8f872a6e973cd267f5d44f8ff0e8d90ad348cb71fc8b3d665640
9. 0x90f31318bc82c2efd70ef8f428dd812029c877364777efb309b6cd0e23a8c458
10. 0x2d9d6462afc5b1463c70c3ad7bab0bbd60dd232ca8386916ee54414b71a3db6e
11. 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
12. 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae