Evidence row 302653

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "NOAA forecast for an agricultural region — the next several day/night periods with temperature, wind speed and direction, and short and detailed forecast text, from the National Weather Service. Use for the outlook ahead; use get_weather instead for current observed conditions, and get_weather_history for recent past weather. Live proxy to NOAA — nothing is stored; this is the latest NWS gridpoint forecast for the region's coordinates; no API key. An unknown location key or a NOAA outage returns a source-unavailable error.",
      "inputSchema": {
        "properties": {
          "location": {
            "default": "IL-central",
            "description": "Location key (IL-central, IA-central, NE-central, IN-central, KS-central). Default: IL-central",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "get_forecast"
    },
    {
      "description": "Current observed weather conditions for an agricultural region — temperature, humidity, wind, and sky conditions from the nearest NOAA National Weather Service station. Use for right-now conditions; use get_forecast instead for the outlook ahead, and get_weather_history for what the past days actually delivered. Live proxy to NOAA — nothing is stored, so values are as of the station's latest observation; no API key. An unknown location key or a NOAA outage returns a source-unavailable error.",
      "inputSchema": {
        "properties": {
          "location": {
            "default": "IL-central",
            "description": "Location key (IL-central, IA-central, NE-central, IN-central, KS-central). Default: IL-central",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "get_weather"
    },
    {
      "description": "Recent past weather for an agricultural region, summarized by day from NOAA station observations: daily high and low temperature (°F), total precipitation (inches), and the number of observations behind each day. Use for what weather actually occurred over the past days; use get_weather instead for current conditions and get_forecast for the outlook. Live proxy to NOAA — nothing is stored; no API key. `days` spans 1–30 (default 7). Precipitation is null for a day when the station reported no precipitation values — never silently zero — and days with no observations are omitted.",
      "inputSchema": {
        "properties": {
          "days": {
            "default": 7,
            "description": "Number of past days to summarize (default 7, max 30)",
            "type": "number"
          },
          "location": {
            "default": "IL-central",
            "description": "Location key (IL-central, IA-central, NE-central, IN-central, KS-central). Default: IL-central",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "get_weather_history"
    }
  ]
}

What the leaf hashes

{"body":"86f99eda98de9212dd8f00482ed21609e2815cd9697a32ac2efbc88c956f8540","id":302653,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793054877920800,"prev":null,"subject":"5a098e83-4c30-4054-b92b-90d514e3aeb1","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. 0xd338b8f3e587ab45a0565a0637f92d64d144eff1500b713f15a3e5d883004eca
2. 0xa2cc57be48a0a362a35d802e0901ce93bb898e5850e389849914b8199f80d832
3. 0x1306200f2f0ce7401d726e31c0613ae80f0799e9554f8ed898fe3bd8b4cb942e
4. 0x434be4f564759e5de012c79c0f44d95a02a39b2c97ca3819757870a06fafa225
5. 0x2b99fa6a6ce0f13086aaa30fb4e4cd581daebe0504b89977b9f105529b3a6629
6. 0x849f00034699b3fd9af5a0900d4160b377d6cafe4fb9e2f4413a44ed5fbb1021
7. 0x4e006476fcebed55c8c7c360d168ddd0be36b113b1ed005dfc187cfcda41b6d2
8. 0xd5b6aefa611024c044d21a2bf5bc1cd1c8b4b7177e6a22ba132c7e0117ce5f94
9. 0x69bddbf7e42f8fb5597e0324491b6c19a348f22d423d9b645614a36ed38cb277
10. 0x23281d709cf04c855d24d0ddda1eeee00e3764cd2f480e88d171dd0d6536c42d
11. 0xeaf3195c275963f3eeb4749105d68120537a7f4d52fd74b2b409cf37abd6484b
12. 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae