Evidence row 256692

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Runs a deterministic, read-only preflight check. It never executes the proposed action.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "action": {
            "maxLength": 4000,
            "minLength": 1,
            "type": "string"
          },
          "content": {
            "maxLength": 12000,
            "type": "string"
          }
        },
        "required": [
          "action"
        ],
        "type": "object"
      },
      "name": "assess_action_risk"
    },
    {
      "description": "Returns the scope and safety boundary of this free, deterministic preflight checker.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_guardrail_capabilities"
    }
  ]
}

What the leaf hashes

{"body":"8bece4947f00df1442448a28043bbe7ed5056799f63c048c774374cf83f34416","id":256692,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793029301575548,"prev":null,"subject":"a7379233-5e10-4565-a7c7-ddb534fad540","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. 0xc809f885342a432536d83a9b19e1f80c38c64d9571a63aa0241fad63368ae373
2. 0x8aaf78982991d1e84bf22a5b96d0d8334747a74c5625bc36b8495a3d554cbc84
3. 0x8878a4a7e20d953a11eb1a79db90c4dd5ce71a4023f35714a352e90e099e6652
4. 0x0560cb40efe976e265be260a2fd1bcaf1154943914be21c6173f5ce7af2bf611
5. 0xb5082f07a53929b53f58cf9672a6dd215cc70dd1cb280df94a8d539a9581a773
6. 0xec6c95089fbb79e14eed4a6315818330a8adece17eeb54b33c9c76fe8cb3665a
7. 0x718952f5914f4e2e4873ccc8add8066848cd5fb20092a3aa37098f4cfd49bf56
8. 0x0e35c7e203af69a17c829920c6b37695c713943ae4e9ae7a37d989c5514c4687
9. 0xcb86a45ea79d3e9e984baa2ec9f053500a4ceabd59c4d23baa5b2c64d2bdbbd3
10. 0xa403d1fe215a97991378c0b67b9af7ef7b1e56dd3f0f7b576359048c108af6b9
11. 0xac575d7ca8c3c7e88957908dda0517fbb35f0894886bb91a97cff3aa71fa23e9
12. 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae