Evidence row 571090

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Fetch the full content of a Fonto documentation page by its slug (the part of the URL after /latest/). Use search_fonto_docs or list_pages first to find the right slug.",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Page slug, e.g. 'documentsmanager-f746b3a48442'",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_fonto_page"
    },
    {
      "description": "Filter Fonto documentation pages by title, product, or ancestry keyword. Returns all matches without ranking — useful when you know the product area or part of the page title. For full-text relevance search use search_fonto_docs; for the complete catalog use the fonto://catalog resource.",
      "inputSchema": {
        "properties": {
          "keyword": {
            "description": "Word or phrase to filter page titles by, e.g. 'operations' or 'table'",
            "type": "string"
          }
        },
        "required": [
          "keyword"
        ],
        "type": "object"
      },
      "name": "list_pages"
    },
    {
      "description": "Look up a Fonto API symbol by exact name (function, class, manager, type, or component — e.g. 'documentsManager', 'createIconWidget', 'CvkOptions') and return its full documentation page in one call. Accepts call syntax ('registerWidget()'), import paths ('fontoxml-families/src/createIconWidget'), and member access ('documentsManager.getNodeById', resolved to the owner's page). Matching is case-sensitive first, so 'DocumentsManager' (class) and 'documentsManager' (instance) resolve to different pages; other same-named pages are listed as alternatives. If no page has that name, returns search suggestions instead — use search_fonto_docs for concepts or partial names.",
      "inputSchema": {
        "properties": {
          "name": {
            "description": "API symbol name, e.g. 'documentsManager' or 'createIconWidget'",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "lookup_api"
    },
    {
      "description": "Search the Fonto XML documentation using full-text search. Returns results ranked by relevance with titles, descriptions, and slugs. Best for looking up a concept, API name, or feature by keyword.",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "Search term, e.g. 'documentsManager'",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_fonto_docs"
    }
  ]
}

What the leaf hashes

{"body":"51f5e6ad59dbf5f6a02880ff85d8c8c1946a48453f8e353dd56d7888605409b5","id":571090,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140048020073,"prev":null,"subject":"41a46dcc-1baf-41d2-90f7-9625a074d0d4","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xe33e4eda025864c7c2220f2f8fcc59ccdb1a314e4697c3fbbcf1827616ad73cb
2. 0x302c41f1037efc809a57cd6c53a816afee69fcb9e1309a11115a8d8bc0450fb3
3. 0xea4703c705297dcbadd491a469e4b632cecd1eae5e1a814f2116a45de946867f
4. 0x6380d91ccaadf5e23bfe38874d6833eb19b71d54bdab10e498e6582cb4b48be7
5. 0x13ec866a5e666df334489917e9efd67f1c3c9d415d5897d08ca8a8d012394fa0
6. 0x89834d716cdfdb39e469e05aa52df7a27c5551789f5ef179c6fe39e2bee8010a
7. 0x4c5b19dc30ad7fb8fa894c880a6acf29d96a50f0e767192b3ba3b05e45c4e96f
8. 0x3b1f15d50aebd366fa10ae6a7cc0cf70ac253de61ad331b6cc8ff8ec5fead588
9. 0x2929bd869eef3f9fcbb9d49bd3f8c6a44ead67afb712c8d9f3025df40b9e0917
10. 0xc2ea5f7f3b161db666605a0ba7963b487b9547a05b28f8b23fc1a9f437bfcd45
11. 0xb44c2942ddb3464f2b2c770afdcadc509526756e35fc6b54cbe05f81f7639529
12. 0x46ff3840378aba3ab5311ff9a58e7269ceff45cbef540c18a2bad9af3d6127bb
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4