Evidence row 123833

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://verifylite.hydratinghealingtouch.workers.dev/chain/gas"
    ]
  ],
  "name": "VerifyLite",
  "owner_address": "0xb33134504393140cfd963d76f62907d660880932",
  "raw": {
    "accepts": [
      {
        "amount": "1500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb33134504393140cfd963d76f62907d660880932",
        "scheme": "exact"
      }
    ],
    "description": "Current Base mainnet gas: gas price, base fee, and priority fee in gwei, plus estimated execution cost in ETH for an ETH transfer, a USDC transfer, and a typical swap, from the latest block. Useful for timing transactions and budgeting fees before sending. No input needed. Not charged when Base can't be reached.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": "0.005",
              "block": 21000000,
              "chain": "base",
              "estimatedCostEth": {
                "ethTransfer": "0.000000126",
                "swap": "0.00000108",
                "usdcTransfer": "0.00000039"
              },
              "gasPriceGwei": "0.006",
              "priorityFeeGwei": "0.001",
              "tool": "chain_gas"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {},
                  "required": [],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-22T16:06:19.637Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-22T16:06:19.457Z"
    },
    "resource": "https://verifylite.hydratinghealingtouch.workers.dev/chain/gas",
    "serviceName": "VerifyLite",
    "tags": [
      "base",
      "gas",
      "fees",
      "ethereum",
      "onchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Base mainnet gas: gas price, base fee, and priority fee in gwei, plus estimated execution cost in ETH for an ETH transfer, a USDC transfer, and a typical swap, from the latest block. Useful for timing transactions and budgeting fees before sending. No input needed. Not charged when Base can't be reached."
}

What the leaf hashes

{"body":"3c843cc22472843d10bf74bf76b067b8aa79ec7110e290b79693fe123461c200","id":123833,"kind":"listing","method":"baseline/1","observed_us":1793025623767493,"prev":null,"subject":"x402_bazaar:https://verifylite.hydratinghealingtouch.workers.dev/chain/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. 0x7ac9cf535b261defaf9de0bf6d087e55b4f6baefac74b307261b9500b421d54e
2. 0xc4cf9a0df952ac536850bff255b741e6d5d95106fc7c8bdb3eb4fd7af64714c0
3. 0x68d35850cc01e4bed18e61bc15e4904984a832d5d6179415832ce7636d202636
4. 0x9a66193798a3835319562ff7a76d8fab99f537ad30695e2b4801aab2098e3b93
5. 0xca908fc7a301c8bf6c8fc928c26ac060153e78b6ec618843fe4106a59120e6a9
6. 0x0127efa588b42d4339ff5114ddeb43fef777683d860759cec74b607044ebecea
7. 0x89ec9f431ec6fac929f4258a60a2ccd77fa36e8d9106c89ac792d69320c7b619
8. 0x6ec04a1c8048ee2b8456ca7387f24f07a339bc7923afdf2fd1e6caaf4af68aac
9. 0x34ef0eafe8a19be079847713fba11d65e6ba0dd49a522368ade2cd52bd35f7bc
10. 0x72004cfd0b5574eac5ee651ce41187d0c3a331b4bdf0bdb385f7d93decec1860
11. 0x1474b20023ac420a3be8200f14f9ac14f1ee93ff05411fa3760c28b2e50fb3dd
12. 0xa6406b1a5540d26e0cbd03bb274a01c10968fadb17913a6043bb9427ddfb71ba
13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae