Evidence row 307127

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Look up a domain, IP address or network (AS number) on heade.rs and return its report. For a domain or IP address: where it's hosted (network, BGP prefix, RPKI, location, cloud region, CDN), registration (RDAP/WHOIS), DNS records and DNSSEC, email security (SPF, DMARC, MTA-STS, BIMI), the certificate, a security-header grade and the response headers, the website's tech stack with end-of-life and vulnerability checks, which AI crawlers it lets in and what it offers agents, and open ports from Shodan InternetDB. For an AS number: its prefixes, RPKI and ASPA, upstreams and peers, internet exchanges and registration. Data is live or mirrored within the hour; a lookup takes a few seconds.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "format": {
            "default": "markdown",
            "description": "markdown (the default, about 3,000 tokens for a domain) or json (every field, several times longer).",
            "enum": [
              "markdown",
              "json"
            ],
            "type": "string"
          },
          "query": {
            "description": "A domain (example.com), IPv4 or IPv6 address (1.1.1.1, 2606:4700::1111), AS number (AS13335) or URL (the hostname is used).",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "lookup"
    }
  ]
}

What the leaf hashes

{"body":"408ec6651877b06799f3ac67e6a3b32ca0043f50f4c29d1d314dde4dd452783f","id":307127,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057467823561,"prev":null,"subject":"028d9ee8-85c5-4252-8f64-d9b9ceb53dd4","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. 0x09ff00cbbe5225c5eb0bd82f2ee767fa7abf3f2ab608914eecf04743c6f39450
2. 0xe5d752ba41350413658290913627cfef3bc88cce0876caed5a46d6271e0821d8
3. 0xa358dbaaa00aa97e6673dd9490ce032ca5df378fb9b1b80e551545d2a31f3cff
4. 0xf993f145aecb209eb21be27a5c8bb93e54769ddef3151f001fed93e50e5406b5
5. 0x7aedd76ae518ad2ca8c4e4a7d15e7df1f40cad4d8ec428f8b82d76ac913486b1
6. 0xbda08e9b42fc97784b0ae1793bd68b98ed1fbcbd1816ca5dac1a305d69342def
7. 0x5a9f8e92987bd7d4c86fab62fcb84799773c7ef181d0d6534d79d89cb292ea69
8. 0x786a225c689525d09e647d495954f774574cd79f2614f5282027d41a18b3628e
9. 0xce10ce8c8cfd3b6929ed227e8d8819c4abc8e76b5b46af3b84b8d72e1c77f839
10. 0xb0bc31ab556762b7fe858f7c949edb2e4e31297933ff02d4987fcbda94b38b0f
11. 0x87b542db74671bce07a9c7ffa1bac70164f2e2ab234b807975c3d56a1d6139ee
12. 0x9e12233d6ee4faeb9271b0fc3c834797517d702f44add023149f28a0809c0aaa
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae