Evidence row 263886

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Get an agent identity by agent ID.",
      "inputSchema": {
        "properties": {
          "agent_id": {
            "description": "The unique agent ID.",
            "type": "string"
          }
        },
        "required": [
          "agent_id"
        ],
        "type": "object"
      },
      "name": "marketplace_get_agent"
    },
    {
      "description": "Get reputation records for an agent or service. Provide agent_id for agent reputation, service_id for service reputation.",
      "inputSchema": {
        "properties": {
          "agent_id": {
            "description": "Agent ID to look up reputation for.",
            "type": "string"
          },
          "period": {
            "default": "all-time",
            "description": "Period filter, e.g. '2026-03' or 'all-time'.",
            "type": "string"
          },
          "service_id": {
            "description": "Service ID to look up reputation for.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "marketplace_get_reputation"
    },
    {
      "description": "Get full details of a single marketplace service by its ID.",
      "inputSchema": {
        "properties": {
          "service_id": {
            "description": "The unique service ID.",
            "type": "string"
          }
        },
        "required": [
          "service_id"
        ],
        "type": "object"
      },
      "name": "marketplace_get_service"
    },
    {
      "description": "List all service categories with the number of active services in each.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "marketplace_list_categories"
    },
    {
      "description": "Search marketplace services by query string, category, or tags. Returns a list of matching active service listings.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "Filter by service category.",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Maximum results to return (default 20, max 100).",
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "description": "Pagination offset (default 0).",
            "type": "integer"
          },
          "query": {
            "description": "Free-text search term for service name or description.",
            "type": "string"
          },
          "tags": {
            "description": "Filter by one or more tags.",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "type": "object"
      },
      "name": "marketplace_search"
    }
  ]
}

What the leaf hashes

{"body":"797e7045019c2d52c50bcea109495b94e92d1da939530f5f9478d28c5f0658a2","id":263886,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793033818293256,"prev":null,"subject":"95a427f9-7240-445f-ac3e-3079bed6f2ee","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. 0xa91da085ddc3d84c0b968db7ca3fc5170316c495970c39117dc4cbd6888eebb8
2. 0x09e82fc8e225a5ff847b61e5d7fd751045eb3f5901d891a14aa2df905ea9c4e3
3. 0x40352aad2236d6060b311c1213750c67330cef80e1805a7894a2c2843fc32939
4. 0x2b237d3946e5a137a20636adb86dcd0566cbe65e16575386959ffc871c1591e5
5. 0xba4e2e6e65ebdfd0c55bc37b2d2dc1de98c722ff3b9402517eebb92debb295e6
6. 0x0a577a4f4433b7af10576e4e1aeb65b397db5562181fc2de322400eebf0723be
7. 0x374d5076b1904186e9904be11bc28072d4ddc7e6ffacb411a6325619e06a9f41
8. 0x6097149256fb0f938841d4452ec719f45e0cab67287547406053b59750b17052
9. 0x271d49d71b0eb2011783b4d74c8b9ceef405eaf98c76bd20b3fdeec4dea71b94
10. 0x63b9c21259d86b76d390f144e062a83ac21503bb37e0976ee607f9d0a805ccae
11. 0xcc46e37d035d0d90e3d86104e55f155ffacd1530f11ceef85fa02db50beb78a5
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae