Evidence row 752778

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": 44,
      "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":"f50391fc0b76ff8c4d6e885b824f1363c904a3a8c52178a70f02a8fdbde29c20","id":752778,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178843938304,"prev":73325,"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 2026-10-28 (231336 rows).

1. 0x49adc55a7dd21b37b843fc99c27c2626a2ac671f9051778395943fb1593acb41
2. 0x82905964790690094c8748e739812ed51158064bd2529130c4ec5e9f273486ec
3. 0xc6b8ff1f7f51d925e7021dc4a7ef2a90f6f15f593994e70a3874fa8283349f7d
4. 0xe6fa1db06b13846ffe092ad99eb0f65cc1e830f3a2b269ce2c9817108c4b5015
5. 0x90b9d3974d43484d6af3e2b29a7c1d87c0d97c12396dd278c5516de5a472194d
6. 0x92e4c2b05976476bcfc91d4ae460d32be5de1a03029fa48e0580546a50773f15
7. 0x26e6827e144fc99bc35294f882de708a80f4010266ae5dba5a58472b88049275
8. 0x676fee081b75fd697fc15662d6022830d8b0915f53c1b5a3ac89fdcfe49904ad
9. 0x9cd63559938f4c48f94a0395483020056d2f8c2998651656b9e83c70f71c7fd3
10. 0x81c9c6787b014c48243854caa6f852ab7b463ea977e1363d6ce10a13fa391a2d
11. 0x3466d0f5749d2d91f24f089073263e89bc94d41d78e5ef1360e1c68839296f91
12. 0x53dec7cda8fb4ea1c74a9a7a67162483f66b17e2009cf94d3837bbd0bf4b337a
13. 0xcd9508730eccc12805d437e344327db8c6acaa3d9eaa561016f203991120b308
14. 0x8dce5117e7908d42b8abe04939e957eaffbae76d0f0a9d9ca7bb199e561aecf3
15. 0xd12637e9c035a4c3a66d0f0436dfc7bf3f13da4d17ea045b647d9e9beef1ef11
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae