Evidence row 305277

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Get the roughly-live Agent Community member count. The count is cached for up to 20 minutes.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_community_stats"
    },
    {
      "description": "Look up one public member by exact display name or slug. This is not free-text directory search and returns only minimal public information.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Exact display name or slug; not free-text search.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "lookup_member"
    },
    {
      "description": "Pre-register a .agent identity through the DMV. This is free and non-binding, does not confer domain ownership, and should run only after an explicit user request.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "agent_name": {
            "description": "Desired name without the .agent suffix.",
            "maxLength": 63,
            "minLength": 3,
            "pattern": "^[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$",
            "type": "string"
          },
          "description": {
            "description": "Optional description.",
            "maxLength": 500,
            "type": "string"
          },
          "email": {
            "description": "Email address for confirmation.",
            "format": "email",
            "type": "string"
          },
          "operator_name": {
            "description": "Person or organization operating the agent.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "agent_name",
          "email",
          "operator_name"
        ],
        "type": "object"
      },
      "name": "register_agent"
    },
    {
      "description": "Verify the live DMV issuance state of a canonical certificate ID. This does not confer domain ownership or mean the .agent TLD exists in DNS.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "certificate_id": {
            "description": "Certificate ID, e.g. MESA-DD6-660J.",
            "type": "string"
          }
        },
        "required": [
          "certificate_id"
        ],
        "type": "object"
      },
      "name": "verify_certificate"
    }
  ]
}

What the leaf hashes

{"body":"e5b7c49daaefc83471e76a76bee137b3db5de6554261d75dc2f5527a0021004f","id":305277,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056368347977,"prev":null,"subject":"04de639a-a39b-4aa1-92cb-cfccad65ebf4","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. 0x28189b7ba375ccb1f545fdbea80793e683737baf64fa9482acb86f4856ca73d7
2. 0x0df1414b45c176db69d8853348cd0ddd3b5ca8412fbf65405d3c847e4aa71bb6
3. 0x50a09ed183e7e6cf527c7753e398a02791197fd686b9d21521ac5ed77a83b434
4. 0xa2125cf271b53e450de72dc75ff758230a8259de770500a024629d9db4141924
5. 0x13d45d756a0b3d12558127d6c71910f563ee6b84cf026f9de70982a2be98d5de
6. 0xf1d2206b1ef9636f8db321a8adac7d2fb9b2345bfc7681e4939373a04a9bddb7
7. 0x6839faae2756279069dc1db981583e0bc0341912dc7e215e919f589a5d9bfc85
8. 0xb52b6b1d221077e85e7fcb5a1099afe4bac59db5e0c6e964fa8c21df03176e36
9. 0x765a547b33e6c90dd78128b1c845297e1ccd846bd7b52128ae52c9e5830c32b3
10. 0x4d8bb16b4aec5841b672df8d199e4352602bcc1a2c03f3991b935d7477eac607
11. 0x29ff42cd28c985738cc9b9746505241162025974e4e3ebf7c6681609002132fa
12. 0x364047261f51ecdbe278514b4f415358118ef4644f7124e15a40f80a86f6a05b
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae