Evidence row 74253

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://domain.hugen.tokyo/domain/headers"
    ]
  ],
  "name": "domain.hugen.tokyo/domain/headers",
  "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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
        "scheme": "exact"
      }
    ],
    "description": "Security header audit — 10 headers checked: CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection, CORP, COEP, COOP. Information leakage detection via Server/X-Powered-By headers. A-F security grade. Accepts USDC payments on Base and Solana",
    "extensions": {
      "bazaar": {
        "category": "domain-intelligence",
        "discoverable": true,
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": "example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "grade": "B",
              "headers_present": 7,
              "headers_total": 10,
              "information_leakage": {
                "server": "nginx/1.25.0"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "tags": [
          "whois",
          "dns",
          "ssl",
          "domain"
        ]
      }
    },
    "lastUpdated": "2026-10-08T06:27:07.667Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:27:07.373Z"
    },
    "resource": "https://domain.hugen.tokyo/domain/headers",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Security header audit — 10 headers checked: CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection, CORP, COEP, COOP. Information leakage detection via Server/X-Powered-By headers. A-F security grade. Accepts USDC payments on Base and Solana"
}

What the leaf hashes

{"body":"029cae56ce993e0edcfb53fc2fe6817117a1fa60fc9c3514762bc2846e516378","id":74253,"kind":"listing","method":"baseline/1","observed_us":1793025488668330,"prev":null,"subject":"x402_bazaar:https://domain.hugen.tokyo/domain/headers","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. 0x0e5cea6f82b256542a6389a220eefca09a7ac218a65654b98a169e579fdd6d95
2. 0x141374f62f73361192213ba7da4770d2fea4c3e07b57027b80dcb0ae062550ad
3. 0x9e0604b13ba480f82f768c0a49fae69a2ed35a0089cd28496a166d10c968ea10
4. 0xfb6664412b0143839e37ab341a3d6cabd1e2d9700e6588d1ec5128065ded1182
5. 0xf7bf90253cf4d6c5f3df39ddbeb841a8026cb2749079347fa521158edb0f6ebf
6. 0x4fa9db8063404e8c6173adceefb8be2538c2ba4c6a672a4b8a0924cdba52b78a
7. 0x04ee90b533588c9879fc76c442d62919deb3ac1b6925c8f669bf4fa715c2bea7
8. 0xd203a5359e9497778c5a5444354ae33ffe183fd7492f9e7de2671d89d2578f2b
9. 0x29aa9bda43042865701ed0cc9fe05ec0d53aefe00b0bc25ef73772496ea16be6
10. 0x36de94df31980769366d6459ea42b641bdc51120bfd8317d0101e69404feba8e
11. 0x1e6a5f0042a4b7776e54cf79ce729b60eac17c4eb209cc9613fcd31c9fa0d26c
12. 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae