Evidence row 540607

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Fetch one or more URLs and return their main content as clean markdown, with navigation, ads and boilerplate removed. Pass a query to get only the passages of each page relevant to it.",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "markdown",
            "enum": [
              "markdown",
              "text"
            ],
            "type": "string"
          },
          "query": {
            "description": "Optional. Trims each page to its relevant passages.",
            "type": "string"
          },
          "urls": {
            "description": "URLs to read.",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "urls"
        ],
        "type": "object"
      },
      "name": "extract_url"
    },
    {
      "description": "Search the live web and get ranked results with the relevant passages already extracted from each page. Use search_depth 'advanced' for research questions, 'basic' for a quick lookup. Set include_answer to get a grounded summary whose quotes are checked against their sources.",
      "inputSchema": {
        "properties": {
          "days": {
            "description": "Restrict to the last N days.",
            "type": "integer"
          },
          "exclude_domains": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "include_answer": {
            "default": true,
            "type": "boolean"
          },
          "include_domains": {
            "description": "Only return results from these domains.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "max_results": {
            "default": 6,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "The search query.",
            "type": "string"
          },
          "search_depth": {
            "default": "standard",
            "description": "How much work to do. advanced expands the query and reads more pages.",
            "enum": [
              "basic",
              "standard",
              "advanced"
            ],
            "type": "string"
          },
          "topic": {
            "default": "general",
            "enum": [
              "general",
              "news",
              "code",
              "science",
              "finance"
            ],
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "web_search"
    }
  ]
}

What the leaf hashes

{"body":"bbcbb5a0ee036e33eee4ae2cf277d0bb2753d999cf651f77b7a20cf42e6fa1db","id":540607,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793130066257709,"prev":null,"subject":"69ce419a-7692-4cd6-98a7-19ad4f580c38","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. 0x73cde22fd7a30fc3ab6e1f439a2f712179702b31ac8bcb2472519960211fe6df
2. 0xc2732ac139c3b0a2fe26fffc024014a77571c992fe6792bba78d7b015ea8ab69
3. 0x705b652f6fdd1530da5cea90991c5919bd97359757177432e6b6fca9e8686d43
4. 0x0093a1a45d774621ced9d71c09ba3098028f5fad1879d2eb7a010b45f024a57e
5. 0x340aec26a849aa3880af38f0dcb37988024ddcdc00ceac52154cc0c23f18466c
6. 0xc4c2c44ea095cf606ff49cba6f796235824f5383187ecfb65ee03fe92d845fd6
7. 0x5af35e21fdd02e2726eb8e00677358e48e4036fc1d23cf278212303794ce9521
8. 0x2a2a1116d12fdbb6f36fe24a5bddaa8a056c46414da7fa5f69f96695e4676354
9. 0x48ad712472b0fc1af647a7062b0a2fa9e73326247059a42e07d1ab1e9fb60568
10. 0x11c2ba5398610ba969fa9e2d9be3cadf1959236d2613e35d3b96b8c22894e418
11. 0x87d9722f6144a6bdbc601abce8aa277e4125cc680211131dcb21639e43daeffd
12. 0x58a1b7d7965722efb70d69acfb10b39e77f817864b8d4b4069d33ff29884a3bd
13. 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4