Evidence row 2731454

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Get one published surrogacy agency by its slug.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "The listing slug.",
            "maxLength": 100,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_listing"
    },
    {
      "description": "Get the number of published surrogacy agencies, places and categories, and when the data last changed.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_stats"
    },
    {
      "description": "List categories with their surrogacy agency counts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "List countries, regions and cities that have surrogacy agencies.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_places"
    },
    {
      "description": "List where the surrogacy agency data comes from, with the license and refresh of each source.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_sources"
    },
    {
      "description": "Search published surrogacy agencies by text, place and category.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Category slug, from /categories. A parent slug also matches its children.",
            "maxLength": 100,
            "minLength": 1,
            "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
            "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":"810c1a0bebf301258bcb16acf1f60ad1395879f4490b7dd997c99e609c875250","id":2731454,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793750774064735,"prev":null,"subject":"f7971e38-1adf-4a4d-baac-0b7a43c40624","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x2ef1b6b1bc18b6534b0e9f8852b5c702dcde55c86742870858ddacb710faf528
2. 0xa82cdc1e1edfe5fd1c1f95476ddb4435e68da32360ba433059f6b29805e986fa
3. 0x5beacd9032627ecef110d81b83cc5072938157c6b28c6143fb1563982203e3b6
4. 0x50992fbb68370064962d47126260540439f08ca4c81713ef0623100a323b29b0
5. 0xcf677431b7c621dde184d6803da1a02d0958892e810bcfbf261ed722323b166a
6. 0x2a6666703aa0c500a50ca9f2c487682bd536205bd89a0440c2da1244d775b9a1
7. 0x336ba34f781d44cc39348be331532e00caf253ef4b4983636da394bfa1b193f0
8. 0xf7a9a79df3d66102cd639729cc244e72822a83b2ced68e196f68cb80a1ef3999
9. 0xd36ed760f6267a9a43620f944614507b5e35a17f00bf25c51fe64bb8eba2e858
10. 0x74980ff5859aa9a67fbf9053ca404465f44c5081620ecd09bdd7aca96917367f
11. 0x21a3e34d008162707a61b803697d18859417df8ba8a09b8a31a3649ed312adef
12. 0x84f019f06d3f83f3e0de3904f2b633ce9f4fb9a2ba513db7d84e2880b97ec897
13. 0x4e57554fac7ef0d43ef340faa967ab9c7606c4a16a9753e9d34e5c43785b12d8
14. 0x9d907331506c7b04c540d946932cd0d003e3b8bed785427b82286d101a946ed7
15. 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345