Evidence row 307602

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Compatibility fetch for research clients that require a tool named \"fetch\". Returns one product as readable text. It carries NO price: prices depend on quantity and options and come from get_quote.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "The id returned by search (the product mpn, as a string).",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Get a product's configurable attributes and their options, plus its minimum order quantity and quantity step. Call this before get_quote: the attribute and option ids it returns are what get_quote expects.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "mpn": {
            "description": "Product MPN, from search_products or from the mpn field in a product page's JSON-LD.",
            "type": "integer"
          }
        },
        "required": [
          "mpn"
        ],
        "type": "object"
      },
      "name": "get_product"
    },
    {
      "description": "Price a specific configuration and quantity, with production time and shipping options. Indicative, excludes VAT and shipping, never binding. Read the returned \"warnings\" before presenting the price.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "attributes": {
            "additionalProperties": {
              "type": [
                "integer",
                "string"
              ]
            },
            "description": "Option selection as {\"<attribute id>\": <option id>}, e.g. {\"19\": 251, \"58\": 490}. Both ids come from get_product. Option NAMES are also accepted as values but must match exactly, including double spaces, and are translated per domain — prefer ids. Any attribute you omit is filled with the product default and reported in warnings.",
            "type": "object"
          },
          "country": {
            "description": "Destination country for shipping rates. Accepts a name (\"Germany\"), ISO 3166-1 alpha-2 (\"DE\"), alpha-3 (\"DEU\") or numeric (\"276\"). Defaults to this domain's country.",
            "type": "string"
          },
          "mpn": {
            "description": "Product MPN.",
            "type": "integer"
          },
          "qty": {
            "description": "Quantity in PIECES. Below the product minimum it is raised to the MOQ and a qty_below_minimum warning is returned. Omitting it quotes the product default and warns — always pass the real target quantity, because price per piece changes substantially with volume.",
            "type": "integer"
          },
          "zone": {
            "description": "Optional zone/state id, where shipping rates depend on it.",
            "type": "integer"
          }
        },
        "required": [
          "mpn"
        ],
        "type": "object"
      },
      "name": "get_quote"
    },
    {
      "description": "Compatibility search for research clients that require a tool named \"search\". Returns only id, title and URL. Prefer search_products, which also filters by category and returns the category of each hit.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Free text matched against the product title.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Find products in this catalogue by free text and/or category. Returns mpn, title, page URL and category for each match. The mpn is what get_product and get_quote take.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Taxonomy term id to filter by. Read the category tree from the dinilu://categories resource.",
            "type": "integer"
          },
          "limit": {
            "description": "Maximum results to return. Default 50, maximum 200.",
            "type": "integer"
          },
          "query": {
            "description": "Free text matched against the product title, case-insensitive. Omit to list everything (optionally narrowed by category).",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_products"
    }
  ]
}

What the leaf hashes

{"body":"e397667cc0dfc218abb29f85db876c5da1feecf404e85c96edaedc90814e83ef","id":307602,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057773620138,"prev":null,"subject":"e5dc8870-da95-46e9-89ca-02749c7784c8","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. 0x055b964fca9c1e917327b01cd66d7abecb39ab2553ce018ea87e1257ac5f41a4
2. 0xb9448588386481960d93021cd03d384115b2b8973e07c92f7b20a0889778948d
3. 0x58c72e172de4b607ca49eb534c1f0314fba7c33240ed57095340a7d572b4a131
4. 0x47d4b4ae654099a4ed80164274079bc773ead3d0b91ad630d27adf369efd1b99
5. 0xfbdd653cdcaf9a1b48fd4756b6b19c1d9b03b04c199b330cf432869e638c1a0d
6. 0x1fca8189e806f452ed3f276cb6802ae9fb538f512e7746f778332db70f14568e
7. 0xaf1c47238a0160c235af3be9ec7845643c8c05c6ff5bcb84764be9ea56e27564
8. 0x253579e6f4592d509cd5442c979c4ee690a92b281ab19c186dff367ccb498a27
9. 0x38552143162cfe72f31e41342d68bf6d0db53dbe3dcc62b5beafa04325bfdc5b
10. 0xa3fd99b4d14aebe36a36910f38fbd23ee9ab7b5d169eb4cf8da16b4084155357
11. 0xbc986b35695070cad9d398880439ec872b3a6634ffe7036fde0d0dfde7eabfda
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae