Evidence row 2956783

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Lists the destination countries available for holiday package search, with names and the two-letter country codes used by search_packages. Read-only.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_countries"
    },
    {
      "description": "Lists the regions and cities of one destination country, with names and codes; a code narrows search_packages through its regionCode parameter. Read-only.",
      "inputSchema": {
        "properties": {
          "countryCode": {
            "description": "Two-letter destination country code (e.g. 'ES' for Spain, 'GR' for Greece), as listed by get_countries.",
            "type": "string"
          }
        },
        "required": [
          "countryCode"
        ],
        "type": "object"
      },
      "name": "get_regions"
    },
    {
      "description": "Suggests holiday destinations for a natural-language request (e.g. 'warm beach in November with small children'). Returns destination ideas with an indicative package price per person, the reason each one matches, and the countryCode that search_packages accepts. Suited to requests without a chosen destination country. Read-only.",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "What the user is looking for, in one or two short sentences, including the constraints that apply to this search (e.g. 'sunny beach holiday in June from Warsaw, 2 adults and a 5-year-old, under 6000 PLN').",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_inspirations"
    },
    {
      "description": "Searches holiday packages (flight + hotel) to one destination country. Returns packages with hotel name, stars, guest rating, board, departure date and airports, total and per-person price, and a link to book on the brand's website. Filters: dates, nights, travellers, departure airport, price, stars, board and region (regionCode from get_regions of the same country, countryCode from get_countries); sorting by popularity, price, rating or stars; cursor pagination. Only countryCode is required (defaults: departures in the next 2 months, 7 nights, 2 adults). Read-only.",
      "inputSchema": {
        "properties": {
          "adults": {
            "default": 2,
            "description": "Number of adults (default: 2)",
            "type": "integer"
          },
          "childrenAges": {
            "default": null,
            "description": "Ages of children (optional, empty array if no children)",
            "items": {
              "type": "integer"
            },
            "type": "array"
          },
          "countryCode": {
            "description": "Two-letter destination country code (e.g. 'ES' for Spain, 'GR' for Greece, 'TR' for Turkey, 'EG' for Egypt), as listed by get_countries.",
            "type": "string"
          },
          "cursor": {
            "default": null,
            "description": "Cursor for pagination (from previous response's nextCursor)",
            "type": "string"
          },
          "dateFrom": {
            "default": "",
            "description": "Earliest departure, YYYY-MM-DD (optional, defaults to tomorrow). With dateTo, the window the whole trip must fit in.",
            "type": "string"
          },
          "dateTo": {
            "default": "",
            "description": "Latest return date, YYYY-MM-DD (optional, defaults to 2 months from now). At least the minimum nights after dateFrom; a shorter window is rejected.",
            "type": "string"
          },
          "departureAirport": {
            "default": null,
            "description": "Departure airport IATA code (e.g. 'WAW' or 'KTW' on eSky, 'MAN' or 'LGW' on Thomas Cook UK). Omitted = all available departure airports.",
            "type": "string"
          },
          "limit": {
            "default": null,
            "description": "Number of results to return (default 6, max 30)",
            "type": [
              "integer",
              "null"
            ]
          },
          "maxPrice": {
            "default": null,
            "description": "Maximum price in the local currency (optional)",
            "type": [
              "number",
              "null"
            ]
          },
          "maxStars": {
            "default": null,
            "description": "Maximum hotel star rating 1-5 (optional)",
            "type": [
              "integer",
              "null"
            ]
          },
          "mealType": {
            "default": null,
            "description": "Meal plan filter: 'breakfast' (BB), 'half-board' (HB), 'full-board' (FB), 'all-inclusive' (AI), or 'room-only' (RO)",
            "enum": [
              "breakfast",
              "half-board",
              "full-board",
              "all-inclusive",
              "room-only"
            ],
            "type": "string"
          },
          "minPrice": {
            "default": null,
            "description": "Minimum price in the local currency (optional)",
            "type": [
              "number",
              "null"
            ]
          },
          "minStars": {
            "default": null,
            "description": "Minimum hotel star rating 1-5 (optional)",
            "type": [
              "integer",
              "null"
            ]
          },
          "nights": {
            "default": 7,
            "description": "Number of nights (default: 7)",
            "type": "integer"
          },
          "nightsMax": {
            "default": null,
            "description": "Maximum number of nights of a flexible range (optional, together with nightsMin). When set, 'nights' is ignored.",
            "type": [
              "integer",
              "null"
            ]
          },
          "nightsMin": {
            "default": null,
            "description": "Minimum number of nights of a flexible range (optional, together with nightsMax). When set, 'nights' is ignored.",
            "type": [
              "integer",
              "null"
            ]
          },
          "regionCode": {
            "default": null,
            "description": "Optional region or city code from get_regions for the same countryCode (e.g. 're-ACA'); a code of another country is rejected. Narrows the search.",
            "type": "string"
          },
          "sortBy": {
            "default": null,
            "description": "Sort results by: 'popularity' (default, most booked first), 'price', 'rating', or 'stars'.",
            "enum": [
              "popularity",
              "price",
              "rating",
              "stars"
            ],
            "type": "string"
          },
          "sortOrder": {
            "default": null,
            "description": "Sort order: 'asc' (ascending) or 'desc' (descending). Default depends on sort type.",
            "enum": [
              "asc",
              "desc"
            ],
            "type": "string"
          }
        },
        "required": [
          "countryCode"
        ],
        "type": "object"
      },
      "name": "search_packages"
    }
  ]
}

What the leaf hashes

{"body":"62749030441bddbd35c3a85ff111e62894bb113e8aefe7517a9c7cd165d66ebd","id":2956783,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793770768087949,"prev":2539370,"subject":"012f4e4b-ff13-4971-bc47-9dba6fd6ba4a","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. 0x48c1c8801f2d319c23af0196de2f16376e93280dc12f03de5ddf4dfeddbc1d68
2. 0x337d8c0ead939ea1a9602ab87c51eb2ea717d6d5710651da1373b1210e50673a
3. 0xf327c50c7616dd2d41972dd6288a5f3b7f60399e7fb6727547d105e63fbe03c0
4. 0x6cbfad667b8cd24eef3dc259a9c4fa8deca1e9ae31cb71e1518239560f7e8014
5. 0x80d12fe2804385575f6941b5fe4ff2ce8a6cc210340467e371973aae1db8778b
6. 0x1fb2b611c465597f752bb04cfbb698ab0d8fba2d35ea571329e7b267040e9260
7. 0xd46ee926b8754f8317fc29c6a6264039dfab4537aabb5c9348aee7ca3a5ee61e
8. 0xcb05b147b46a291aeb7b110839609b7ae22c6b7d99d7578b82b77f840b1bc7e9
9. 0x0bd112577857c584bbb0bdfb2bb0cd613ce70139ad111448bda4198a7241bd0b
10. 0xab49af68a277b79569222fffe586ffd26aa0629591b6cbbb328183afd868579f
11. 0x43ff7e6600868b1b6aa883a9824d5bfd750e92d5a500b28e40951221d1d3caba
12. 0x39ced1c24f98978f5b8c37a0235c42de9236c52a0877df70c0c8fd92b601695a
13. 0x2fc2b1d5c0426a024e4ce9018ccb1565544f53b3d9cc2329631a5a4e9e1210c5
14. 0x7111066cf0e2f963a0c95c84861192c8eb1410c53ab025be6fd11b5319847a92
15. 0x544c1b2a55fd13025d2c8d59b81cb53522492b432ac735cbefd94b47b754d5cc
16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345