Evidence row 1054152

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Get one published voice AI vendor by its slug.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "The listing slug.",
            "maxLength": 100,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_listing"
    },
    {
      "description": "Get the number of published voice AI vendors, places and categories, and when the data last changed.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_stats"
    },
    {
      "description": "List categories with their voice AI vendor counts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "List countries, regions and cities that have voice AI vendors.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_places"
    },
    {
      "description": "List where the voice AI vendor data comes from, with the license and refresh of each source.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_sources"
    },
    {
      "description": "Search published voice AI vendors by text, place and category.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Category slug, from /categories. A parent slug also matches its children.",
            "maxLength": 100,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "type": "string"
          },
          "city": {
            "description": "City slug, from /places.",
            "maxLength": 100,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "type": "string"
          },
          "country": {
            "description": "ISO 3166-1 alpha-2 country code, any case. A country the directory does not cover, as listed in /places, gives 400.",
            "pattern": "^[A-Za-z]{2}$",
            "type": "string"
          },
          "cursor": {
            "description": "`page.nextCursor` from the previous response. Opaque. Send the same filters and `limit`.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 20,
            "description": "Items per page.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "description": "Search text, with at least one letter or digit. Matches name, categories, attributes, description and place. Typos fall back to close matches.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          },
          "region": {
            "description": "Region slug, from /places.",
            "maxLength": 100,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "type": "string"
          },
          "sort": {
            "description": "`relevance` needs `q` and is the default with it. `name` is the default without `q`. `recent` is newest first.",
            "enum": [
              "relevance",
              "name",
              "recent"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_listings"
    }
  ]
}

What the leaf hashes

{"body":"e8dfb1103627143e36cc83ad726caeb48d163e04285408364daa6332a13fa1aa","id":1054152,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793312812011643,"prev":null,"subject":"86718e11-0a91-47ca-b03c-ba8a51f7de83","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xbe99a5c58bd7a2e9daee09ccac9e3833d1f71df2c025141432a0a291b2779a1f
2. 0x1806a876a2fc97aebd44a8368f87da676679bccc786527e0dba21bb9123145d6
3. 0xcd6957ae31720b370de92970c35675f1316c49574635c58331496e41e4771c69
4. 0x28a3b5f27ae98313a138715ede2ca1f7a755ff13571871112c47b38d0144b98c
5. 0xfde7b4fb3cfb812b91779edd76c628ad2f400aa4badae95a4c536212c3fb4760
6. 0xd944cd76f301787dbd30eab770c9777b772b8221e9ca9b8b67c788ac1dcf0704
7. 0x77f1f22c6f820d9ce3ea1b32b8b721e7d418a08cab7e6b832268c06fc289d7aa
8. 0xe0a1a937d963fad81d536e94f9601125246d5dcffb2d94450fd2b84ac7132dd5
9. 0xf06b8801f1a70780d25544cc6e1773f7b566e6a8c9c20b49268bc683b375c4dc
10. 0x5fbf451f958325ac12162f028547b6b40d1fe59d3c8408a5de3c3142b0db7262
11. 0x07865d3681bf0705ed923ba20d598e93a5dd1497e1774c591c714df49f7e1ae9
12. 0xc0c004cfa2b8fd39c94166ca1d710794218bd643be053ea4405ef8ed2df3dc60
13. 0x855b0c7846554d66c3c7ea55cacc771607f9f991cc0c6e60b0c560e5e253a4e0
14. 0x104600713bd70fcbdf137fa07f8136bb6c252c890776bc7cbd7b194271f8b93a
15. 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1