Evidence row 567910

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Find airports and city codes for your trip using Mubboo Flights. Search by place name or IATA code and choose the intended location when several suggestions match. Results identify locations; flight availability is checked separately.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "language": {
            "default": "en",
            "maxLength": 12,
            "pattern": "^[a-z]{2,3}(?:-[A-Za-z]{2,8})?$",
            "type": "string"
          },
          "query": {
            "maxLength": 80,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "find_airports"
    },
    {
      "description": "Explore Mubboo Flights services, available MCP tools, travel product links and support. Includes connection details and commercial information. The website also offers hotels, car rentals, tours and travel research.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_service_info"
    },
    {
      "description": "Prepare a personalized Mubboo Flights search for one-way, round-trip or multi-city travel. Validate airports, dates, passengers, cabin, language and currency, then return a search link. The traveler opens the link to compare current options; this tool returns search details rather than quotes or reservations. Round trips require outbound and reversed inbound segments. comfort means premium economy. childAges must contain an age for every child; infants are on lap.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "adults": {
            "maximum": 9,
            "minimum": 1,
            "type": "integer"
          },
          "cabin": {
            "enum": [
              "economy",
              "comfort",
              "business",
              "first"
            ],
            "type": "string"
          },
          "childAges": {
            "items": {
              "maximum": 17,
              "minimum": 0,
              "type": "integer"
            },
            "maxItems": 7,
            "type": "array"
          },
          "children": {
            "maximum": 7,
            "minimum": 0,
            "type": "integer"
          },
          "currency": {
            "pattern": "^[A-Z]{3}$",
            "type": "string"
          },
          "infants": {
            "maximum": 7,
            "minimum": 0,
            "type": "integer"
          },
          "language": {
            "maxLength": 12,
            "pattern": "^[a-z]{2,3}(?:-[A-Za-z]{2,8})?$",
            "type": "string"
          },
          "market": {
            "pattern": "^[a-z]{2}$",
            "type": "string"
          },
          "segments": {
            "items": {
              "additionalProperties": false,
              "properties": {
                "date": {
                  "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
                  "type": "string"
                },
                "destination": {
                  "pattern": "^[A-Z]{3}$",
                  "type": "string"
                },
                "origin": {
                  "pattern": "^[A-Z]{3}$",
                  "type": "string"
                }
              },
              "required": [
                "origin",
                "destination",
                "date"
              ],
              "type": "object"
            },
            "maxItems": 6,
            "minItems": 1,
            "type": "array"
          },
          "tripType": {
            "enum": [
              "oneway",
              "roundtrip",
              "multicity"
            ],
            "type": "string"
          }
        },
        "required": [
          "market",
          "language",
          "currency",
          "tripType",
          "segments",
          "adults",
          "children",
          "infants",
          "childAges",
          "cabin"
        ],
        "type": "object"
      },
      "name": "prepare_flight_search"
    }
  ]
}

What the leaf hashes

{"body":"d5a690e16d87220cd3e459a0dbf0781dfa6f8ca08bd9d937a7bcebe8d41219e2","id":567910,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138867491766,"prev":null,"subject":"906193ad-ca84-4386-bea1-420db2295548","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x34ee0aa1af9f1574c821284caf536d671a468d0feab564f567a10018d84d2f9d
2. 0xdcf9fb3c956cbdcac3abed48a5082a8781fff7d58fe090bcc99d46b6636f41d0
3. 0x5ac99f126c356538d52e963d7ecd86e495f48b0be4b3a258ea5007b8def8de9b
4. 0x1110a250ba78c922906b9f403a8ce875492b4cf297d2b7c574666ab5ad41d56c
5. 0x410a66b879935c8687a7e9a4f183d8a1b957e440f6d01d882f7d1cac80894bab
6. 0x8aaacb63b11ed37c36f309b5de7c42ac74cd0df70a71d36e079f2671ca80973b
7. 0x2cef9ed2a77b28dd611dd61b0ebb5619096cd81076a8d9a712ef0e083baae830
8. 0x4f4221b6ef26db8ffce88d19d2c9d974e5839b17cc5455a0cbf797ebbad522c5
9. 0x5101a1d217c3d03270b4a9724b1366ace4e1e792397eb22a9ded6a2bf46a858c
10. 0x48d42084c9eb53146dfed684604b0a978ab115f2d32a07259e80aabd6f56b1d4
11. 0x85a6f473253adaf20ada24e9798c83bbc77040d206df2377d7a0ddf9221f9e70
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4