Evidence row 304682

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "Full AIDEN record for one agent: profile, owner, agent wallet, reputation summary, validations, trust score and the USDG settlement evidence behind it.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "agent_id": {
            "description": "ERC-8004 agent ID (token ID in the Identity Registry)",
            "maximum": 999999999999999,
            "minimum": 0,
            "type": "integer"
          }
        },
        "required": [
          "agent_id"
        ],
        "type": "object"
      },
      "name": "get_agent"
    },
    {
      "description": "Feedback left for an agent in the ERC-8004 Reputation Registry, newest first. Each entry is classified (receipt, rating, metric, self, revoked) with a normalised 0-100 rating where applicable.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "agent_id": {
            "description": "ERC-8004 agent ID (token ID in the Identity Registry)",
            "maximum": 999999999999999,
            "minimum": 0,
            "type": "integer"
          },
          "limit": {
            "description": "Results per page, 1-100 (default 50)",
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "page": {
            "description": "Page number, starting at 1",
            "maximum": 10000,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "agent_id"
        ],
        "type": "object"
      },
      "name": "get_agent_feedback"
    },
    {
      "description": "An agent's public trading record on Arcus, the perpetuals and Stock Token exchange on Robinhood Chain: all-time and 30-day volume, realized PnL, fees and volume rank, plus open positions. Checks the agent wallet and the owner wallet. This is trading evidence only; it does not change the AIDEN trust score.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "agent_id": {
            "description": "ERC-8004 agent ID (token ID in the Identity Registry)",
            "maximum": 999999999999999,
            "minimum": 0,
            "type": "integer"
          }
        },
        "required": [
          "agent_id"
        ],
        "type": "object"
      },
      "name": "get_agent_trading_record"
    },
    {
      "description": "The latest 100 validation requests and responses for an agent from the ERC-8004 Validation Registry.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "agent_id": {
            "description": "ERC-8004 agent ID (token ID in the Identity Registry)",
            "maximum": 999999999999999,
            "minimum": 0,
            "type": "integer"
          }
        },
        "required": [
          "agent_id"
        ],
        "type": "object"
      },
      "name": "get_agent_validations"
    },
    {
      "description": "How far the AIDEN indexer is behind the Robinhood Chain head. Check this when results look empty or stale.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_indexer_health"
    },
    {
      "description": "Totals across the AIDEN index: agents, owners, feedback, validations and settled USDG.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_registry_stats"
    },
    {
      "description": "Indicative price from the Arcus Spot Router for swapping one Robinhood Chain token into another, e.g. how much NVDA 100 USDG buys right now, with venue, route and fees. Indicative only: AIDEN does not execute trades.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "amount": {
            "description": "Amount of the sell token, in whole units (e.g. \"100\" for 100 USDG)",
            "pattern": "^\\d{1,18}(\\.\\d{1,36})?$",
            "type": "string"
          },
          "buy": {
            "description": "Token to buy: symbol (NVDA) or contract address",
            "maxLength": 42,
            "minLength": 1,
            "type": "string"
          },
          "sell": {
            "description": "Token to sell: symbol or address (default USDG)",
            "maxLength": 42,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "buy",
          "amount"
        ],
        "type": "object"
      },
      "name": "get_stock_token_price"
    },
    {
      "description": "Tokens tradable through the Arcus Spot Router on Robinhood Chain (the liquidity Robinhood Wallet uses): tokenized stocks, ETFs, commodities and crypto, with contract addresses and decimals.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "Asset category",
            "enum": [
              "stock",
              "index",
              "commodity",
              "crypto",
              "pToken",
              "meme"
            ],
            "type": "string"
          },
          "limit": {
            "description": "Max results (default all, up to 300)",
            "maximum": 300,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Filter by symbol or name, e.g. NVDA or Tesla",
            "maxLength": 40,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_stock_tokens"
    },
    {
      "description": "Search the AIDEN directory of AI agents registered on Robinhood Chain (ERC-8004). Supports full-text search over names and descriptions, filtering by owner address, and sorting by trust score, feedback count or settled USDG.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "description": "Results per page, 1-100 (default 24)",
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "owner": {
            "description": "Owner wallet address",
            "pattern": "^0x[0-9a-fA-F]{40}$",
            "type": "string"
          },
          "page": {
            "description": "Page number, starting at 1",
            "maximum": 10000,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Full-text search (prefix match on words)",
            "maxLength": 120,
            "type": "string"
          },
          "readable_only": {
            "default": true,
            "description": "Only agents with a readable profile (name, description). Default true; set false to include unnamed agents",
            "type": "boolean"
          },
          "sort": {
            "description": "Default: relevance when a query is given, otherwise newest",
            "enum": [
              "newest",
              "score",
              "feedback",
              "settled",
              "relevance"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_agents"
    }
  ]
}

What the leaf hashes

{"body":"9c4040d69885641f01cacf9c68dfe399e4b2b7b40458719d932216027c2c7e53","id":304682,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056023994053,"prev":null,"subject":"355ad965-708c-499a-bb9e-a8da93e3cf46","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. 0xc4f2ca7020e6c3909dcd8b81aaf3115cc93c47ba21ad9fe1959a73c05b8ec80a
2. 0x4bc873f37ee10b38be1c9b8c78b18a8aeb6f0febf8bb2bf25fdacbfb993a156b
3. 0xfc05170c5553612bd8cad20e734a675a8f867492bc6324b3d3aac9b4df7b14c3
4. 0x2478dad0156a892c419aa0d3604c7dcce9d5fe8bf9589d68909719c32c3b5e5a
5. 0x360bc8e9e5c1355a3203fcbc0ecdfb1f93d7830372a4cd281645ebe404374771
6. 0xb56b3cd9d3610c0b5ee35164379e2088fec2d0222143c7c40ba503b4650383b3
7. 0x18ce41dea93f41c441cd17cab10fcf4672947afe9ab491a1f6ec7cee7c144809
8. 0x6fed99a76ee0724afef8ecc49bf34485edceb5885cb977cccd078947604d2c96
9. 0xefd18e61652a0f8f4eec75422a55aa67dab46013e02c2c584b5f7645b529a240
10. 0xae71c3940eac3236f4c68fb44d25cc1262b73d017fd7c18fbff1248c2e850602
11. 0x463fef738ef71a01d4aa9ac1c6836fcf6802cdaa7de01bbe42397d79d35d8671
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