Evidence row 566427

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Books by title/author or ISBN: authors, year, ISBNs, pages, rating, cover (Goodreads API replacement, Open Library data).",
      "inputSchema": {
        "properties": {
          "isbn": {
            "type": "string"
          },
          "limit": {
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "book_search"
    },
    {
      "description": "The best logo/icon URL for a domain from the company's own site, with alternatives (Clearbit Logo replacement).",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "e.g. stripe.com",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "company_logo"
    },
    {
      "description": "Name, description, logo, social links, email provider (MX/SPF) and Wikidata facts (founded, HQ, industry, employees, ticker) for a domain.",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "e.g. stripe.com",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "company_profile"
    },
    {
      "description": "Company name or prefix to a list of {name, domain, logo, description}, best-known first (Clearbit Autocomplete replacement).",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "e.g. stripe",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "company_suggest"
    },
    {
      "description": "Wikipedia full-text search: titles, URLs and snippets (for grounding after the Bing Search API retirement).",
      "inputSchema": {
        "properties": {
          "limit": {
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "encyclopedia_search"
    },
    {
      "description": "Address or place to lat/lng with city, state, postal, country; US results include county, tract and block FIPS.",
      "inputSchema": {
        "properties": {
          "country": {
            "description": "optional ISO 2-letter code",
            "type": "string"
          },
          "q": {
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "geocode"
    },
    {
      "description": "Coordinates to the nearest address and, in the US, county/tract/block FIPS.",
      "inputSchema": {
        "properties": {
          "lat": {
            "type": "number"
          },
          "lng": {
            "type": "number"
          }
        },
        "required": [
          "lat",
          "lng"
        ],
        "type": "object"
      },
      "name": "reverse_geocode"
    }
  ]
}

What the leaf hashes

{"body":"f49bf139262ec05fc5e8e543a33b0b0f3b305dc145610340a70d03f674124b81","id":566427,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138444431704,"prev":null,"subject":"ab46e713-3043-46ee-9e88-fdb83ece98d1","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. 0x578b1904ed3cbecc6bb70adebb509d5f706b868dd96cd3dc1307554a27343584
2. 0xbdd88a995b360cd13374f533c2a02fb4eccb615d8363d72df71b9b77123b1450
3. 0x87296d8f4ec2c355d44bbaf5993f0f3c67492d07a3554203902abde2546adef9
4. 0x754c11c66ae800b9cf4d7298a77036ba535fe67249f0e430553715b5c11aeaad
5. 0x67904899371c7c5f36ac9fb05e9bc04939daf14d9e9e83551861c928e52b976e
6. 0x94576da859418b735c9996b903de67a7b3e2d12e694da236d3d4672521406a94
7. 0xbb2a1debe5e355b3543b0e20e8cc2346e9ed2fa60781a470c93b1f34b799d66d
8. 0xb92ca8321392718c5d9047378df7a21ca6d20ab1b817448fc636f10ae39c2943
9. 0xca80074a11591dc565e21ecfe5f649c07f067a6995cd277f44a6a6ee8997bffc
10. 0x08827e8fe6f1d2733ba195e6e6f9a6982dd7b498a3960219710b8aa2b76826ac
11. 0xaec8530a2e156f659d0929b3462a514a0cf7d2e6669110bb34b6ef56abdae9fd
12. 0xe06cb1b692af263d62f5739bc4ad709ffe5a2576ef5a59a1610d50c03c7b9584
13. 0x906b5f0e8ef1fe7894886d84f460bb3239d5f14b14ad4adff27c7dcea6265169
14. 0x674bc1173d39130be4d15bbfc7327f8a8af87eb251e54c8d4409c7e840b9e538
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4