Evidence row 3058754

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Look up UK hospitals by name, town or postcode. Returns each one's address, whether Findway has a map of its inside (and what it shows), its Findway page, and links to directions to the hospital in Apple Maps or Google Maps.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "description": "How many hospitals to return, 1 to 10 (default 5).",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "A hospital name, town or postcode.",
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "find_hospital"
    },
    {
      "description": "Find where a ward, clinic, department, entrance or facility (pharmacy, café, toilets, reception) is inside a UK hospital that Findway has mapped. Returns where it is (building and floor, as the hospital's map records it) and a link that opens step-by-step walking directions from the entrance. For questions like 'where is Kangaroo Ward at Great Ormond Street?'.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "hospital": {
            "description": "The hospital's name, e.g. 'Great Ormond Street Hospital' or 'St George's Hospital, Tooting'. A town helps when names are shared.",
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          },
          "place": {
            "description": "The ward, clinic, department or facility, e.g. 'Kangaroo Ward', 'ENT', 'X-ray', 'pharmacy', 'main entrance'.",
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "hospital",
          "place"
        ],
        "type": "object"
      },
      "name": "find_place"
    },
    {
      "description": "List what a mapped UK hospital's map holds: its entrances, wards, departments and clinics, facilities (reception, pharmacy, food, toilets) and other places, each with where it is and a directions link. Optionally only one kind.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "hospital": {
            "description": "The hospital's name, e.g. 'Great Ormond Street Hospital' or 'St George's Hospital, Tooting'. A town helps when names are shared.",
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          },
          "kind": {
            "description": "Only this kind of place.",
            "enum": [
              "entrances",
              "wards",
              "departments",
              "facilities",
              "other"
            ],
            "type": "string"
          }
        },
        "required": [
          "hospital"
        ],
        "type": "object"
      },
      "name": "list_places"
    }
  ]
}

What the leaf hashes

{"body":"e7c95495309a2f83f261c4abb8ecc1a8fd0ed1d2a19df8726549fb7fba42fce8","id":3058754,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793820726598707,"prev":null,"subject":"cb046d32-785a-4101-a6e6-fb4961e08187","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. 0x4675efddcc9cedcf4791c92dfcf0d9b41c7b27814834d1f94bef8013f804638a
2. 0x76967d746e7106707742cffaf9611f9c8a522dad42f88ab259f4921d69ba1fdd
3. 0x0399806a706efa5ca6d6269cd9b64106e88b5570a07f70b3b204fe25daffa686
4. 0x8c3dd9c514912263afa570eabd6efc9e1cc7adbb24072b8e541466dd9166c9b4
5. 0xad057ff5c04b6529ee44285079f9e4d4e068fb42b6371956e689e007c9b82744
6. 0x6ae2f3e71c6fd503e40e11e41bc92ec7e3799495f15a5792192690cc6876c8da
7. 0x42ed58d3725a97a7d6cc66b1175ed44eb04b9916eb82b731533d7c2059fb050a
8. 0x3eb89648fd4e4e14070a59dce57542736804f71d0d51f28688f31224376229e0
9. 0x772e04d23688ddb952e8de08bf6c351eef28c6a060ccd0c64775e7fed9e60450
10. 0xfc1a2774e1ed730332dee55671e9ac2323805d07e550b568b0940e0e6219b820
11. 0x5231a1bf2694bbf6a1e2482d76b90f5b180b2504b480774a919dbea4f9acc1a4
12. 0x47c90cb80e49aede843fecfe399083e8a6bcb303d50fe903d0b3d50250d3aa12
13. 0xd4f73f014c8a6615316289c316f790e0ee467190c97dd8ac5726441a61084fc0
14. 0x7111066cf0e2f963a0c95c84861192c8eb1410c53ab025be6fd11b5319847a92
15. 0x544c1b2a55fd13025d2c8d59b81cb53522492b432ac735cbefd94b47b754d5cc
16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345