Evidence row 1040848

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": 43,
      "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":"fc038beacaef1694d33c67e736d1c7c64a5205abf41830aa4633c2c4b5568a4b","id":1040848,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298543379771,"prev":752778,"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 2026-10-29 (242798 rows).

1. 0xe6cb1606e0a44b3b9d23882e85a42ab6d6207640c4b3a7173b9efc4e674fc162
2. 0x023dd6fd92f7e52aeae87bd6f4a473b544f24e731221c6b6610c6550598c6531
3. 0xcf7562a7b5d080213c66e4409baced27488fb5990b33cf58c2375de26a025e20
4. 0x2e702e416e99e09cdeef30fd93036e46c38542350a1976ab1948ed2e7ba61059
5. 0x8e24b3516d54ea669f9b5875fd11da0ae0dff2600eb9cdd45a233dcbcebf7297
6. 0x168c60a937ff9faf3bf667c2e67a824965f74da535bb0a749d8983583c515a75
7. 0x205e2df499766522f65d33b6efc55c26c5479ac2d2f984c6bcd0215ac1382eed
8. 0xc5fd6e62c5f469ed042cc244791bef6db2d4aac71fee8e330ab32053a5cea065
9. 0xf99311e07f1ea930e38c3c1c9b4655a8367e28866103471954d7642ea964d2ac
10. 0xdd2c3c78831487af36254da2e97d943ff7f8ff2fcbc04439406e71c9901ca97f
11. 0xf68c30ecb87610ef19aa34027c19063368fa0c4636348a8691c1c3838697e6cf
12. 0xb114c96fc8ab6d53f01e4b38e4dd87507c449d8f6213f9a0bf5b8a3a6347bc24
13. 0x5de22c62f0498dae1ca2ce6e9fc1edf95fad1ef39d2b1cf8495d986051499622
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1