Evidence row 306801

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Full details of one location by id (from search_locations), including description and coordinates.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_location"
    },
    {
      "description": "All countries Robert Makłowicz visited, with location and episode counts. Country names are in Polish.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_countries"
    },
    {
      "description": "Episodes, newest first, optionally filtered to a country (Polish name, e.g. \"Włochy\").",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "country": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_episodes"
    },
    {
      "description": "Search restaurants and attractions by text (name, address, description), country and/or type. Diacritics-insensitive. All data is in Polish, so use Polish names (e.g. \"Zagrzeb\", not \"Zagreb\").",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "country": {
            "type": "string"
          },
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "type": "string"
          },
          "type": {
            "enum": [
              "restaurant",
              "cafe",
              "nature",
              "art_culture",
              "museum",
              "shopping",
              "hotel",
              "tourist_attraction"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_locations"
    }
  ]
}

What the leaf hashes

{"body":"e9ccf7a6278931b957ed5ea8965e9dcb5ae54dc4fe6dedaf242aaf23e3c7500a","id":306801,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057280288898,"prev":null,"subject":"30fc71e0-cb97-4bc3-8a61-cf59061eb73a","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. 0xc6f238303b3c9cbbc5137cf25457cf22565a98c6a166fcfd0d0f91f9f7fa3a01
2. 0x732035a062e87b80eaebb9f3e6353ec1cf29516182351b198cad5d628e7fe2b7
3. 0xd2a0822e9b698f5ebc29e85399fb38bc06418c1f7602fa70751145a0d27160c6
4. 0x9fe23c4646c2cb1c6e467a10a6483af207af112147440ca2528190fb8d1c45ae
5. 0xe84a78786a68b40f8a4a332df7edecef1ff381765b43b68ec92bce777cce921a
6. 0x53e934eddefe00a12d41f06ffcaf9be9428ceb55ddbb2eead6b3af8e177aada6
7. 0xcfb1cb006ec35858d36f3e232d5b1d9004d741467d631d03b9f6e29af004c7d8
8. 0x03a5306d03bce3860d57cc45db5be11e7340251692194d564040f1ad80e4c4d9
9. 0x3cb74f649d863784a42a7402ec77a617e6c92048c7401dde9804a59facd677f7
10. 0xd368ac5e994f236560e1d336e12fc30e107d36c297f051b25005ca4791a16aa4
11. 0xed975d3cf9a825217ed3ef7c3e4522f054cfe35b47c462678d64461a93581906
12. 0x9d99c5dad23613921cdfabc849c2dd3c97729992eaa05c4dab5e86e83ed6d220
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae