Evidence row 307631

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Full detail for one KARVE class by its idSchedule (from search_classes' JSON): description, trainer, studio, live availability, and a booking link.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "idSchedule": {
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          },
          "withinDays": {
            "maximum": 31,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "idSchedule"
        ],
        "type": "object"
      },
      "name": "class_detail"
    },
    {
      "description": "Soonest upcoming KARVE classes that still have an open spot, optionally matching an English query (e.g. 'transformer', 'Sarah', 'beginners'). Returns booking links.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "type": "string"
          },
          "withinDays": {
            "maximum": 31,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "next_available"
    },
    {
      "description": "Live KARVE (Jeddah) class schedule with real-time availability. Answers what's on, spots left, trainer, and returns a per-class booking link. Read-only. Dates DD/MM/YYYY (KSA). Search in English.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "type": "string"
          },
          "days": {
            "maximum": 31,
            "minimum": 1,
            "type": "integer"
          },
          "endDate": {
            "pattern": "^\\d{2}\\/\\d{2}\\/\\d{4}$",
            "type": "string"
          },
          "includePast": {
            "type": "boolean"
          },
          "onlyAvailable": {
            "type": "boolean"
          },
          "query": {
            "type": "string"
          },
          "startDate": {
            "pattern": "^\\d{2}\\/\\d{2}\\/\\d{4}$",
            "type": "string"
          },
          "trainer": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_classes"
    },
    {
      "description": "Authoritative KARVE facts — pricing & passes, first-timer info, policies (women-only, grip socks, cancellation, age), hours, location and contact. Use instead of guessing.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "studio_info"
    }
  ]
}

What the leaf hashes

{"body":"2867f20c6ce85beceb7baaf12cf2ff4b8f4071451bd45f31949ac02e81957068","id":307631,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057787771083,"prev":null,"subject":"a76c706c-fa63-4c0c-933c-d86c8691a4b8","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xd74b36a207e0e46ae21115c0cb6863c37f71f0ff8208828b9276f63ef42fa222
2. 0x3f8d27c68339903cb6ae9d6495307bef45761a894ebd7e9ec7000f719dfca22b
3. 0x33c20ddf32783233ae1587cfaba829949c170d17fe8476738778bc5b42a5402c
4. 0xf24619c1123c6d26d3088cd87a9d5f5f6585d154bd56a4d283db6e23a347a773
5. 0x316366129179ab71a034f8caa5125946d59c7aad68ae0cc26ba408490d1c4b86
6. 0xe418edc7421c2af24271c517bb045c8a8a605d6dd6aeef9c004a2bc01c6f8109
7. 0x54646381fa42bf727ea0d5704d6d04b2342ca9a08bd05a565b9f1faf0d04fd0f
8. 0x6ca6a66e13750baafafbaa0b6ce80ba9a3d5167b760bf86008b59ddec5b57c53
9. 0x75beaad71cc1904f1f354f3e6f4ca39a7967119a36f829273a3f6eb5282b19e9
10. 0x4c6a4d003a4c8e394c82c8f16a5c6669cfbbac391218d8be2c13f5d5aa94e7a7
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae