Evidence row 1039469

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mintintel.35-171-220-195.sslip.io/v1/base/gas"
    ]
  ],
  "name": "Mint Intel: Base chain data",
  "owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
        "scheme": "exact"
      }
    ],
    "description": "Base gas oracle - current and next-block base fee, priority-fee percentiles (p10/p50/p90 over the last 20 blocks via eth_feeHistory), slow/standard/fast maxFeePerGas suggestions, legacy eth_gasPrice, the L1 base fee and the cost of an ETH transfer, ERC-20 transfer and DEX swap in ETH and USD.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": "0.005",
              "chain": "base",
              "chainId": 8453,
              "ethUsd": 2318.47,
              "gasPriceGwei": "0.006",
              "network": "Base",
              "nextBaseFeeGwei": "0.005",
              "priorityFeeGwei": {
                "p10": "0.00001",
                "p50": "0.00123161",
                "p90": "0.017691534"
              },
              "suggested": {
                "standard": {
                  "maxFeePerGasGwei": "0.01123161",
                  "maxPriorityFeePerGasGwei": "0.00123161"
                }
              },
              "typicalCost": {
                "ethTransfer": {
                  "eth": "0.000000130864",
                  "gasUnits": 21000,
                  "usd": 0.0003
                }
              }
            },
            "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": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "baseFeeGwei": {
                      "type": "string"
                    },
                    "priorityFeeGwei": {
                      "type": "object"
                    },
                    "suggested": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "baseFeeGwei",
                    "priorityFeeGwei",
                    "suggested"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T10:23:30.92Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T10:23:30.709Z"
    },
    "resource": "https://mintintel.35-171-220-195.sslip.io/v1/base/gas",
    "serviceName": "Mint Intel: Base chain data",
    "tags": [
      "base",
      "evm",
      "erc20",
      "onchain-data",
      "rpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base gas oracle - current and next-block base fee, priority-fee percentiles (p10/p50/p90 over the last 20 blocks via eth_feeHistory), slow/standard/fast maxFeePerGas suggestions, legacy eth_gasPrice, the L1 base fee and the cost of an ETH transfer, ERC-20 transfer and DEX swap in ETH and USD."
}

What the leaf hashes

{"body":"5f3e7ce1c8a281978aa9bad25b5f211eef4cd57754b7cafdf3f85078a0ae3500","id":1039469,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298327882073,"prev":null,"subject":"x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/gas","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xd89be7a42effde81161ff4c933317bafc96123289a763b86a65b701260190d37
2. 0x6877f346ea9b91b2497cb728dbe5769f0bf1411a296b376ff4e76d744ec640ff
3. 0xba35dc09c1c5923639628428d6db85c1a58f32feefcffed0aeb99307ee70c7f5
4. 0xf6178c13e59226085bc583e1bad4c43b78cc8d3beffb2138586eccc42edcfce4
5. 0x36eea85609ecc3731fd1f51a81dd175c61c48d94514fca199f6349e7ea7f53c8
6. 0xc9e79cff8d0b699eacdb05809a0b0f6119294e29bdf0e5904f377617b2d5aaa3
7. 0x78e7c00a2e7e360fa7b8adbe064034e08cfc9ec3df213020c950acfd2015f81c
8. 0x75ae0fe72e80c1308ffb4b3e8ee0b1bfc6ab4aa3c9b3f3821eb3a29d8047353d
9. 0x345e7f21502f8a55fec94b501031bbaab249ff6b06f8cd6c0a12a57999463ff3
10. 0x0d8b275fdac3fb5eff186038f65fd019f122b72c9f27bd5346246d8830d86d5e
11. 0x13772c79d97c666f787fde948e3b3d0825d6d5d5106a43281968f02237c59008
12. 0x8522b6d17f15c0c1abc36194c9894bdee4c4687a5eb503bcb0fab90198db90af
13. 0xbab97b696ffe737616975d37e243af07fa246058d99161c165f9f96fde8768ff
14. 0xb75e183026f9112474e3710d846b63188d3bba750c3ad3feabd9a22ee7d080fc
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1