Evidence row 1233552

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "FREE. Latest Air Quality Health Index (AQHI 1–10+) and risk level at the station nearest a Canadian postal code.",
      "inputSchema": {
        "properties": {
          "postal_code": {
            "type": "string"
          }
        },
        "required": [
          "postal_code"
        ],
        "type": "object"
      },
      "name": "air_quality"
    },
    {
      "description": "PRO. AQHI forecasts for the nearest station (next periods), plus the current observation.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "postal_code": {
            "type": "string"
          }
        },
        "required": [
          "postal_code"
        ],
        "type": "object"
      },
      "name": "aqhi_forecast"
    },
    {
      "description": "PRO. All AQHI stations within a radius (km, max 400) of a postal code with readings at or above a threshold.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "min_aqhi": {
            "type": "number"
          },
          "postal_code": {
            "type": "string"
          },
          "radius_km": {
            "type": "number"
          }
        },
        "required": [
          "postal_code"
        ],
        "type": "object"
      },
      "name": "region_watch"
    },
    {
      "description": "PRO. Current AQHI for up to 25 postal codes, worst first — e.g. wildfire smoke checks for sites, schools or crews.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "postal_codes": {
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "postal_codes"
        ],
        "type": "object"
      },
      "name": "sites_check"
    }
  ]
}

What the leaf hashes

{"body":"5d28d13d2da9a4d7bf5778f28e0f7495cdf716fb394f8c3e1f24e914a15f3a9f","id":1233552,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347453567492,"prev":null,"subject":"12788a73-ceed-4a04-a6d9-a1c4ffd55cc5","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. 0x07af48e09c40dc4231df6d71d495202131be7219b3b83019ff4477813c0d03c1
2. 0xa33fd604ba7c8ad36f593d918707a6803f7094a8fdfed3ccd802d0ac485579ac
3. 0x909c105f92273f3eb7a3884d4b85a322e3b0a84a89da61a2c2066404e36f812c
4. 0x2edd7cbc96d6b8b940ebd6d464d8d550c7a751c3bd95a9f5cd2de59df9443a17
5. 0xd1b6180adb617798b0b9d85ec78683cac58e58c331ee9262c8cc7d1c3d7802c9
6. 0x91efd0699e96ac11a6289e98eaabedffea1631c6d591f563747a6d0af90ad578
7. 0xe0f44bbf874b45855f254265f626bfbc7207ad7fb14c469ffe8569e425e4a89c
8. 0x53131904d0214c303501c6d4ec425ac0ac63f0d7ac8c3bd185ba2f0ab7df320d
9. 0xc629049d51cf4782239a846bdcbbbbbbcc4fa80a968b8f065f0d5b7be3251bd2
10. 0x122500b27721a3cdf6e11cf5fa8d9dbac331b2ee0346658ce14cfe76731afd4a
11. 0xabfe5e213eac4c9769778693798ad4793c63655c46d197bbcfa535979571da83
12. 0x39658b3a41cfd54fe54a5c22facff2bff03e5a9589cbf560446200f0336fd0b5
13. 0x287d3fb38960cf3c4d3356b0e6240c982ffcd471f4e9b7f7d550363c3483d375
14. 0xa0c9900ba7512d3a576c15bf6cc53f55a0645d9bf9b4e2e4c1760d00af98e761
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861