Evidence row 571822

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "List all searchable pickup cities by country. Call this to find valid city names before searching.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code filter (e.g. AU, NZ, US). Omit to return all supported countries.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_locations"
    },
    {
      "description": "Search campervan and motorhome rentals. Returns a URL that pre-fills the search form with your trip details. Click Search on the page to see live results with pricing, availability, and booking options from 160+ rental companies.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "Pickup city name, e.g. \"Sydney\", \"Auckland\", \"Los Angeles\". Required.",
            "type": "string"
          },
          "country": {
            "description": "Country code: AU, NZ, US, CA, GB, DE, FR, IT, ES, NL. Required.",
            "type": "string"
          },
          "dropoff_city": {
            "description": "Return city if different from pickup (one-way). Optional.",
            "type": "string"
          },
          "dropoff_date": {
            "description": "Return date YYYY-MM-DD. Required.",
            "type": "string"
          },
          "pickup_date": {
            "description": "Pickup date YYYY-MM-DD. Required.",
            "type": "string"
          }
        },
        "required": [
          "country",
          "city",
          "pickup_date",
          "dropoff_date"
        ],
        "type": "object"
      },
      "name": "search_campervans"
    }
  ]
}

What the leaf hashes

{"body":"700d6ca15f8e06fa5bc447427f146c4c4d8e75845bde1e8c0616f743c0a722bc","id":571822,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140433176026,"prev":null,"subject":"6be638de-6d1a-48f2-ba31-b4a6b6dc914c","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. 0x4b4f88690b46f1cc446fc34f915693f5e1a6b8446b8ddb0aa66553517e52d73c
2. 0xc30d42448e72984fb3cad43028ce8e7d4b21b45811b49fa3ca6082fe155b75e5
3. 0x709457925dd9cec7398725543c1a5f6a7650514b6469fd5f3eb8846a3b32a62b
4. 0x69ea2e220a8616460c509a07d5b9b271984329dfdf26ca632bc9621229031df8
5. 0xa01a759edae24f840ae5faba50fe12a58305813549310773bcc010bfc34b3519
6. 0xdcda258105460dcc55bc60e91af4bc99f733de59ed68848dfcabb959be75ba7c
7. 0xfca8da2edfdc849e535d1a812d1544a57c07fd4024d572279972845bf1b2e267
8. 0xf8111cbd504c1b9d501cf9b73eecdde7f6a377bb2650626d50498f32ae2b08da
9. 0xd0c79335fd71883d4c9c7a16f673bbc6ef7bf0e2ab777f1d0e8a49e1ac8fc8b7
10. 0x7491848012726a2f1e10ac5c2909e1b9ba4e06e701767fa1c879f99a815c1145
11. 0x5b15539a9e45c30d985cffa0f43853909d4e3a207bff9b6e3e35303e52a3c2d2
12. 0xf5ad7dee20c9ad48ff75cc443e6c6ae3a718321f07b826d581afdb243e59305f
13. 0x150dc531eedad3837a4be47dd0bf1a84bf98feb63216c125982425fda525a3fd
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4