Evidence row 302411

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "PAID (0.25 USDC on Base via x402). Full deterministic website audit as flat JSON: HTTP status, latency, server, title, content fingerprint, robots policy, redirect chain, sitemap, viewport meta, JSON-LD, the full issue list and a 0-100 agent-readiness score. If you call it without a payment you get back the x402 challenge (price, payTo, network) so you can sign an EIP-3009 USDC authorization and retry passing it in the \"payment\" argument.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "payment": {
            "description": "Optional base64 x402 payment payload (the value for the X-Payment header). Omit it on the first call to receive the payment challenge.",
            "type": "string"
          },
          "url": {
            "description": "Absolute http(s) URL to audit",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "audit_site"
    },
    {
      "description": "PAID (0.25 USDC on Base via x402). Technical deep audit as JSON: TLS certificate (issuer, expiry, SAN, protocol), the seven security headers, cookie flags, DNS and email security (SPF, DMARC, DKIM, CAA, MX), compression and caching, and AI-agent readiness (robots.txt, llms.txt, security.txt, blocked AI crawlers). Every finding is ranked critical/high/medium/low with a copy-paste fix, plus a prioritised remediation plan. Also returns report_url with a human-readable HTML report.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "payment": {
            "description": "Optional base64 x402 payment payload (the value for the X-Payment header).",
            "type": "string"
          },
          "url": {
            "description": "Absolute http(s) URL to audit",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "deep_audit"
    },
    {
      "description": "Free preview of a website audit: 3 of 9 checks (HTTP status, robots policy, latency, agent-readiness score). Use it to see the shape of the result before paying. Returns JSON.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "description": "Absolute http(s) URL of the site to scan",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "scan_site"
    },
    {
      "description": "Free. Describes this paid website-audit service: the three products, their prices, and exactly how to pay with x402 (USDC on Base). Call this first if you do not know how to pay.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "service_info"
    }
  ]
}

What the leaf hashes

{"body":"33eef1c3816231fab7b180c661d37de5c28708f7a16fdfb27c15c61d51f64d99","id":302411,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793054654919335,"prev":null,"subject":"c62498ed-91d1-4706-a082-bf9351ce0227","subject_kind":"endpoint"}

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. 0xc5d21a9061f8e4f306678485e8827082eebbacbf20253ee71d09bb2d6db25e9c
2. 0x089837b9d4dc39603f641bb9da46eaccfcd1c0faa5c063579b717827f3b53ad8
3. 0x19b5fd9176e23e33c85b70c2a2a850d67d6213eedddfaf2e189245924b91c096
4. 0xe5cde75e4e13fb625031327ddf78b74241392de899fb9581b073bc6eeb00a7a6
5. 0x33d63231ec45bea507d3b64f9e916c42569e67aef7fb72f816ef2e3b240d5ffe
6. 0xf087501d22dfb153232b9e43316256ae71348fadfff3ac93cf56f076c969625b
7. 0x10d8f9f5fe8410a57cc5391b6fef2e31c7d6f03d2b29959e9f9274317e809552
8. 0xc2a24f33b2067be64f3db8d4a840361a129230b2eb9ace7118580427ee02d60b
9. 0xbca5b2718549f1149bad8567f3fc1eeb3cf3851551a251b711ea91d2f549275b
10. 0x4a766015a1173570ffc438320afd677a41ae92be39f86b768798615ce79c79a4
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae