Evidence row 994602

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get full details for one Storied Collection venue by name. Matching is fuzzy and accent-insensitive ('chateau challain', 'gilmerton', 'Borthwick'). Returns country, year originally built, pricing-from with its currency (never converted), rooms in main house, sleeps, guest house, minimum nights, helipad and EV charging. If no confident match, returns closest suggestions.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "Venue name or part of it",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "get_venue"
    },
    {
      "description": "List every country in the Storied Collection portfolio with the number of venues and the pricing currency used there.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_countries"
    },
    {
      "description": "Search Storied Collection's historic exclusive-use venues (castles, estates, châteaux in Scotland, England, Wales, Ireland, France). All filters are optional and combined with AND. Prices are 'pricing from' per night in the venue's native currency (GBP or EUR) and are NEVER converted — max_price only matches venues priced in the given currency (default: any currency, compared numerically within each venue's own currency; pass max_price_currency to be precise). Venues with price 'On request' are excluded when max_price is set. Boolean filters exclude venues where the value is unknown. Returns a summary list; use get_venue for full details.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country name, e.g. Scotland, England, Wales, Ireland, France (case-insensitive)",
            "type": "string"
          },
          "ev_charging": {
            "description": "true = must have electric car charging; false = must not",
            "type": "boolean"
          },
          "guest_house": {
            "description": "true = must have a guest house; false = no guest house",
            "type": "boolean"
          },
          "helipad": {
            "description": "true = must have a helipad; false = must not",
            "type": "boolean"
          },
          "max_minimum_nights": {
            "description": "Only venues whose minimum stay is at most this many nights",
            "type": "integer"
          },
          "max_price": {
            "description": "Maximum 'pricing from' amount in max_price_currency",
            "type": "number"
          },
          "max_price_currency": {
            "description": "Currency of max_price. Only venues priced in this currency are returned. No conversion is performed.",
            "enum": [
              "GBP",
              "EUR"
            ],
            "type": "string"
          },
          "min_sleeps": {
            "description": "Minimum number of guests the venue sleeps",
            "type": "integer"
          },
          "query": {
            "description": "Free-text match on venue name or country, e.g. 'castle', 'chateau', 'Gordon'",
            "type": "string"
          },
          "sort_by": {
            "description": "Sort order (price ascending, sleeps descending, name A–Z). Default name.",
            "enum": [
              "price",
              "sleeps",
              "name"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_venues"
    }
  ]
}

What the leaf hashes

{"body":"2e64dfaa36da8f37ae19ea4d8d16b6ee0cfa11b0c56a3a1d58f448e21423c7d6","id":994602,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793248512502363,"prev":null,"subject":"470b6279-91d5-4a60-89d8-fa20a4035151","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. 0x77a6c7f1889c7f0326c0cdc57cce1c31734686870a51259e0e8c544995e9f673
2. 0xedabeec7fa314c05e47e50267d46e9fefa8633c3e264929f4b875b9b7a056111
3. 0xd15ba57d6edd5c1d24956b0840a3e9b32c36bdb251d9e63b4c22cec5d0a90bb3
4. 0x164d2cd0714797e2c98747a0c7dfe6420e5d36a030d3515059230f31ce1ac5aa
5. 0x29aa123a4622272761eb9956c3607c733853cad8f6222c755a4e60de917d2b89
6. 0xe1a5a7e6924bc18b7e6e34450e11853e3c5e038d11c1dc96e41a0045dae5e278
7. 0x81a86f6f276c7841d896711ce71c4e372e8606e80fd2d35d1508b8ad3f1cf437
8. 0x1f0d1256c75d8ad33a9c7984eb4524b4f985e55e4a98b3b186bfbccedc9a1821
9. 0x829afb3db322c0ea2d2fcf76ffe831ee5dd7e8f6d1c7d2510b6fb4fbcc32b7d4
10. 0x3bbc516ffd72f3e5ce29cea0a473589da3999931eb7e99ad2f1bc37eca068d88
11. 0xac5cf748b81be5e8ee50cf8d1eb6fb243a0f6fd09d0d497d248cb566f662c7d5
12. 0x63a11cd9e65d16993c0e702ce6d7bda551e5a72e62115aaf790a2e3519c7fac6
13. 0xc0f950bf9c872c684cf701ee03b280e31f9fd7a44bed4df783964fd0df78d0c2
14. 0xa07c03f1ff4a33c8a0105ab761d762ba211920a4e09af3e5ae84b51a3c4cf51b
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1