Evidence row 294802

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get one catalogue entry by its key (the slug used in its Anclum URL). Returns the full record: name, url, description, tags, source, first/last seen. Read-only.",
      "inputSchema": {
        "properties": {
          "key": {
            "description": "The entry key/slug",
            "title": "Key",
            "type": "string"
          }
        },
        "required": [
          "key"
        ],
        "title": "get_toolArguments",
        "type": "object"
      },
      "name": "get_tool"
    },
    {
      "description": "List the catalogue's taxonomies: AI-tool categories (with counts) and field tags (e.g. \"MCP 服务\", \"Agent 技能\"). Useful for then calling search_tools with a category. Read-only.",
      "inputSchema": {
        "properties": {},
        "title": "list_categoriesArguments",
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Search Anclum's catalogue of MCP servers, agent skills and open-source AI projects, plus AI tools for people who are not developers. Returns name, url, one-line summary and tags. Read-only.",
      "inputSchema": {
        "properties": {
          "category": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional: limit to one AI-tool category slug (e.g. ai-writing) or a field tag (e.g. MCP 服务)",
            "title": "Category"
          },
          "limit": {
            "default": 10,
            "description": "Max results (default 10, max 50)",
            "title": "Limit",
            "type": "integer"
          },
          "query": {
            "description": "What you are looking for, e.g. \"kubernetes\", \"video editing\", \"写小说\"",
            "title": "Query",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "title": "search_toolsArguments",
        "type": "object"
      },
      "name": "search_tools"
    }
  ]
}

What the leaf hashes

{"body":"018051f41cf4f20f81a44515d0764681170ccda1db3775350422dbe154013a5d","id":294802,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793050418332137,"prev":null,"subject":"e9bd9293-ea91-4b5b-b20d-8a43c9659c8d","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. 0xfa003949fad2a00c794d15e1238ed668d1750e38beb6aaa0fa14a013d051f125
2. 0xca14563f69084c0c68437bf4cbb276077f6e32c9858dd66218fe356e003bcd44
3. 0xf2b12cc2b34eaaa0766889e48e4528c5ab5c62f36ccacb0398c457c9f731ea94
4. 0xeeb0ad502799972ee02d1bbdbb9079672d63365a1f6cd8dcf65519a1224c71d5
5. 0xaabf7934008109424f4db2b961cec0493698a1762b3b65090120834f4a39cb82
6. 0x5e479a53d393456427d833ed8e888521511155880aece0f261598c7c43a33ab6
7. 0x0b5ad779a290e763608dcf9d47829802832fa25d7c970ecee63ad4eeb4733708
8. 0xd29e275d64757d88644acc87a1007964660fae468fc99791386f93a7d9dffbf6
9. 0xde9460f38251cf9d9321dae92e4ed8994dca62fca9e7eede64bf8c45ee8d5b1e
10. 0x539ff7502919607fcda1d67de64d7acfca10d00be2f44b1ae5c38d6d4d122763
11. 0xacf2bf89327756cda11b6915c35395a33fba4f7cdd91adfd8c5f45018f6ddfe8
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae