Evidence row 573682

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Credits left and this month's usage for the key in use.",
      "inputSchema": {
        "properties": {},
        "title": "accountArguments",
        "type": "object"
      },
      "name": "account"
    },
    {
      "description": "Walk a site and extract every item. Waits up to four minutes; a\n        longer crawl returns a job_id to pass to crawl_status.\n\n        `mode` picks how the items are found. \"rows\" (the default) reads every\n        card on the listing itself and follows its pagination -- right for\n        search results, categories and tables. \"links\" follows each card into\n        its own page, for sites where an item has one. \"like\" starts from one\n        example item page, given as `like_page`, and finds every other page\n        shaped like it; pass `listing_url` as well when you know the stock or\n        results page, because inferring it is the part that fails.\n        ",
      "inputSchema": {
        "properties": {
          "fields": {
            "anyOf": [
              {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Fields"
          },
          "js": {
            "default": false,
            "title": "Js",
            "type": "boolean"
          },
          "like_page": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Like Page"
          },
          "listing_url": {
            "title": "Listing Url",
            "type": "string"
          },
          "max_items": {
            "default": 25,
            "title": "Max Items",
            "type": "integer"
          },
          "mode": {
            "default": "rows",
            "title": "Mode",
            "type": "string"
          },
          "scroll": {
            "default": 0,
            "title": "Scroll",
            "type": "integer"
          }
        },
        "required": [
          "listing_url"
        ],
        "title": "crawl_siteArguments",
        "type": "object"
      },
      "name": "crawl_site"
    },
    {
      "description": "Fetch a crawl that outlived its call.",
      "inputSchema": {
        "properties": {
          "job_id": {
            "title": "Job Id",
            "type": "string"
          }
        },
        "required": [
          "job_id"
        ],
        "title": "crawl_statusArguments",
        "type": "object"
      },
      "name": "crawl_status"
    },
    {
      "description": "Report what platform a site runs on and which strategy to use.\n        Cheap; call it before a large job.",
      "inputSchema": {
        "properties": {
          "url": {
            "title": "Url",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "title": "detect_siteArguments",
        "type": "object"
      },
      "name": "detect_site"
    },
    {
      "description": "Extract structured data from ONE page. ``fields`` declares your own\n        schema, e.g. [\"title\", \"salary:number\", \"tags:list\"]; omit it for the\n        product schema. First call on a new site compiles a recipe (300\n        credits); later calls replay it for 1 credit per row.\n\n        A site nobody could read is remembered for a week and answered\n        without calling the model, so re-reading a dead page costs nothing.\n        `retry` asks anyway.\n        ",
      "inputSchema": {
        "properties": {
          "fields": {
            "anyOf": [
              {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "title": "Fields"
          },
          "js": {
            "default": false,
            "title": "Js",
            "type": "boolean"
          },
          "retry": {
            "default": false,
            "title": "Retry",
            "type": "boolean"
          },
          "url": {
            "title": "Url",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "title": "extract_pageArguments",
        "type": "object"
      },
      "name": "extract_page"
    }
  ]
}

What the leaf hashes

{"body":"36adc61046b8c12c0dfd0eda1de8ae01d67b0e470955050af30e6e336e59d588","id":573682,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793141225023407,"prev":null,"subject":"06f643c9-5194-4a3d-ab96-056f0170712a","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. 0xd0a6a6aefd55b79dcbab6ee6286fb21189b1ae793eef55a9be523d4574564c26
2. 0x71578d56942423e3a9e99c77eecf33aff5ee844d0e680f3b6f76778f04ea5192
3. 0xec6bb3d67b30307b60111b35cb2f4041b65e110425096f958bad773d19cd2513
4. 0x4bdc0e222da9ed9f0c1695121669c67f0e6bd5176749d39759a33b28a2681ecc
5. 0x8c291790b38b9caef4cb4061772fd1d85b36ba7f9360e5714eb6fe6b5c1dd4e0
6. 0x26b7fda3a1430f64127803941aa19023b26c93a4d621dbb14f71c580a9b6f8d1
7. 0xdfa02863955a193e943f3d2b7bb66ca381dddc6c665bea4500fb92a1e3519159
8. 0x83a606d713bb5a71e32c2e12ecff1ea58c7f6d6f5b61429a202c0918e05008a4
9. 0x0a204f99ee17cc03fbb403f19e35e00d6a12e00cdef1a8751966e85ff40de29b
10. 0x1ed8a6eb79cc77f80eb2fa062d07fd195f60a66626598ee82d10d3334b8aa461
11. 0x4b1aadf42648925230bfb44b27bd502af3645508661ab5ac15765dd2ba24b33e
12. 0x38b115338d9e861f29b2feec4763340cc61f27fc2c2bbe5bf04934e95e485c6c
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4