Evidence row 1264227

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://defi.hugen.tokyo/defi/gas"
    ]
  ],
  "name": "defi.hugen.tokyo/defi/gas",
  "owner_address": "0x29322ea7ecb34aa6164cb2ddeb9ce650902e4f60",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
        "scheme": "exact"
      }
    ],
    "description": "Real-time gas prices across multiple EVM chains in one batch request — standard, fast, and instant tiers. No per-chain API setup needed. Accepts USDC payments on Base and Solana",
    "extensions": {
      "bazaar": {
        "category": "defi",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chains": "1,137,8453"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ethereum": {
                "fast": "45",
                "instant": "60",
                "standard": "30"
              },
              "polygon": {
                "fast": "80",
                "instant": "120",
                "standard": "50"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "defi",
          "security",
          "bridge",
          "tvl",
          "rugpull"
        ]
      }
    },
    "lastUpdated": "2026-10-28T02:35:46.221Z",
    "quality": {
      "l30DaysTotalCalls": 42,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-28T02:35:45.53Z"
    },
    "resource": "https://defi.hugen.tokyo/defi/gas",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time gas prices across multiple EVM chains in one batch request — standard, fast, and instant tiers. No per-chain API setup needed. Accepts USDC payments on Base and Solana"
}

What the leaf hashes

{"body":"fd3ab11663cec10574946d4f712b9a2899cfce245dcc376249003e3da5d5feb6","id":1264227,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385645922549,"prev":1040848,"subject":"x402_bazaar:https://defi.hugen.tokyo/defi/gas","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xff56ed79dd0f7eecde5442c386b807369073145da826405eaba9d9d9cb9cb269
2. 0x66c0ad102fe93d4ddfa436dc9860505c19706e3d502ac7255dd887019fb6ccef
3. 0x72dcb8be3718af990f7ef3fbb30f1ade436f5b84d0198b4160c0cfa08979c41f
4. 0x09156c11bfbce6cc262b8093369d0a4e9b636b3ab948e107cf7dc6d5ba892c57
5. 0x4ae5da78cb39dcbc26f9346f132c5c83529301a6b3fe45c4aa9ebed85ea04d33
6. 0x7dcd4570cff7d959bfd6bfca39f1d527a7c076876476debbf23cc76bac5cd412
7. 0xcf3af71964cdd6bc99097cee7c8e69d0026482c8b4582a3007c25431a2d827aa
8. 0xfe5a7b1cfe47060573614dc39644474a29069d4031510718354831882cdea8fa
9. 0xfa08f609205d5baee1659f61f4c4cd134da0127818a7802436a7a4835716a088
10. 0x0fb9e6e6dad7c4a3c72b0e4916467e3760ec70cb36ad692efac5f85b527ad502
11. 0x7fbe0a9a86cf7a8574c0e8099a6fb9e039474e711250cadd98656c5eb29f6377
12. 0x9e891c0939e88f6df0187ef432d5695f51efa5acb55c7d3c9842ae0c59a56230
13. 0x030ea611a04a437f2c80577f6ab0971a98e22d40a72366c4d176ac9c95399553
14. 0x70547116135ca2b169483009739d1d461bcb7d178c352479612fae712aca3f88
15. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
16. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861