Evidence row 258402

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Check a URL before you click, cite, or fetch it. Returns HTTP status, redirect chain and final URL, dead/parked-domain detection, content-type and size, whether /llms.txt exists, and phishing/abuse flags from public feeds plus heuristics. One call, no page content extraction. Free: 200 checks/day.",
      "inputSchema": {
        "properties": {
          "url": {
            "description": "Absolute http(s) URL or bare domain",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "preflight"
    }
  ]
}

What the leaf hashes

{"body":"68df3a3ebe9e940f7a664bdd940fce7d130372d1420d7b8c5e4c2c325f4e6923","id":258402,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793030113029243,"prev":null,"subject":"e018ad74-7a65-4d55-ad54-8b72f10e0ce4","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. 0x117bae186ed13d09b0bb36c2ed981835af663273d50fe46c2e5f990f7f482648
2. 0x2bb8d06474715dfbbb27ef123275aa01378c4ab789cb92ff02c9d11e1c183dec
3. 0xf433536525c8be87384e4bcebfb8e12c399a984329fa0326a332996f839f7466
4. 0x31c56cf5eb525dc3d12105560ebb92a5f0062fa54ac7d9f2321887edfe6f0d90
5. 0x71991611c4848427cd569c5d2a65e50f66c3e52be2b17c036b08774cb980a6f4
6. 0x64b54e7476fb98d0804b52e37fa40a1929e6a3d0afca93efe04d1c2f4a60b7e4
7. 0x708cf8ea61f08dfc3c4f31476a00a3f1213976cfc7a73f270dc9a1b1b3bd9ac3
8. 0x780a3576c7d927124c59b571e86801e4afb554c1c3d64fd257400fdee83c4eef
9. 0x90c81e0dacb4c443b1a82c1637adcc6c98ae484d805a589fb55ce0f8f0af16c0
10. 0x59eeaadc4738eed3343bd128dc8e9beeacada4d8b43799e35d914cb411b97394
11. 0xb3d22f508aaf8117a0a5454390284c48363baa096e225b30af56d708d8dcd0b3
12. 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
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