Evidence row 1233572

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "PRO. Last 7 days of observations for up to 5 climate stations (pass station ids from nearest_station).",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "station_ids": {
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "station_ids"
        ],
        "type": "object"
      },
      "name": "compare_stations"
    },
    {
      "description": "PRO. Up to 90 days of daily max/min/mean temperature and precipitation for a climate station id.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "days": {
            "type": "number"
          },
          "station_id": {
            "type": "string"
          }
        },
        "required": [
          "station_id"
        ],
        "type": "object"
      },
      "name": "daily_history"
    },
    {
      "description": "FREE. Nearest Environment Canada climate station to a Canadian postal code, with the last 3 daily observations (max/min/precip).",
      "inputSchema": {
        "properties": {
          "postal_code": {
            "type": "string"
          }
        },
        "required": [
          "postal_code"
        ],
        "type": "object"
      },
      "name": "nearest_station"
    }
  ]
}

What the leaf hashes

{"body":"b05ffc8f7507ef96711d914b0aa4eea3a2384d68de2d3949a20b6d38c0a9aee0","id":1233572,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347456178323,"prev":null,"subject":"e41b7b44-c3b6-4c4d-8afe-c9f379f2228f","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xe6917beb3dd4c0eb4ebb5a1a6d05ffb58227f21e795bc2451e65e0e3d2c9eeaa
2. 0xd63af7b3420827becc6de262635f280e32a55f26f72cfc17e9967846bd46c3b3
3. 0xcd8eaf8c363f6ccb0cfb5f1ac4b9d6dfb5ff598db0b528b0b95b843c06835376
4. 0xfd32c69f5d9c38db696ca91d99d04784d47ced112e6fa367d4714de8b0252505
5. 0xfd18a51d0db945cbb14237481866b5cc9d650f44f38fef9eb58fdf3f9e72d934
6. 0x6efa6c67224037af82cce5d19437c3141a13c5bb0cbd124aaf3ba88ac323c0e4
7. 0xd82b9618b24707f4c41c01981d6a247f1b75bf1a9735b0922141c1f169e8aa26
8. 0x88fab9110d6b701b5c8fd9b2d464e018c992f56a3b9d0f26f499ed18934060ae
9. 0xb6018161e1ef1184ac080a3f273371d751ceefb6c3e8ec2a9328ccd20d9b7eb9
10. 0xc8acf0c0fe1a0de8c0f98856e044c12075dd2a35ef890a6b0efe1676ad97b87a
11. 0x513332f4e40c3a177125da66447f0090166bb089d4a9af9eff2e9ae0226455c0
12. 0x0221926da48f1be0858f9f5f2ad1881d381008bbf8c70e9c06bb1a63fd6faa7e
13. 0xfbc54bb68398dda4b439809764b90c546b18332d8f5c47b62a26f520efc65735
14. 0x3a7a0fa82cbf8d3f1546fc6f89c9a5f35e025db7170b70e3f2dcd72b4ebb0f8e
15. 0xea7df1002501052c124b5aed2b1a5df3d59be54394c6a8539c86fad1df339a9e
16. 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
17. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861