Evidence row 562830

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Wind, temperature, pressure, humidity and air density at chosen heights above a point.\n\n        Each level has wind_u_ms (towards east), wind_v_ms (towards north), wind_speed_ms,\n        wind_direction_deg (where the wind comes FROM, clockwise from north; 0 at zero speed\n        means calm), temperature_k, pressure_pa, specific_humidity_kg_kg, relative_humidity_pct\n        and density_kg_m3. valid_time is the model time actually used; provenance names the\n        GFS run and grid point. Heights outside the model column are refused with the range\n        that is available.\n        ",
      "inputSchema": {
        "properties": {
          "altitude_reference": {
            "description": "agl: heights above ground level. msl: heights above mean sea level.",
            "enum": [
              "agl",
              "msl"
            ],
            "title": "Altitude Reference",
            "type": "string"
          },
          "altitudes_m": {
            "description": "1 to 32 different heights in metres.",
            "items": {
              "type": "number"
            },
            "maxItems": 32,
            "minItems": 1,
            "title": "Altitudes M",
            "type": "array"
          },
          "ground_elevation_m_msl": {
            "anyOf": [
              {
                "maximum": 10000,
                "minimum": -1000,
                "type": "number"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional site elevation in metres above sea level, used for agl heights instead of the model's terrain.",
            "title": "Ground Elevation M Msl"
          },
          "latitude": {
            "description": "Decimal degrees, north positive.",
            "maximum": 90,
            "minimum": -90,
            "title": "Latitude",
            "type": "number"
          },
          "longitude": {
            "description": "Decimal degrees, east positive.",
            "maximum": 180,
            "minimum": -180,
            "title": "Longitude",
            "type": "number"
          },
          "time": {
            "description": "ISO 8601 timestamp with a timezone, e.g. 2026-10-03T18:00:00Z. Up to 14 days ahead or about ten days back.",
            "title": "Time",
            "type": "string"
          }
        },
        "required": [
          "latitude",
          "longitude",
          "time",
          "altitudes_m",
          "altitude_reference"
        ],
        "title": "get_atmospheric_profileArguments",
        "type": "object"
      },
      "name": "get_atmospheric_profile"
    },
    {
      "description": "Current coverage (time range, heights, fields) and usage limits. No API key needed.",
      "inputSchema": {
        "properties": {},
        "title": "get_capabilitiesArguments",
        "type": "object"
      },
      "name": "get_capabilities"
    },
    {
      "description": "Today's data-fetch count and remaining daily allowance for the caller's account (UTC day).",
      "inputSchema": {
        "properties": {},
        "title": "get_usageArguments",
        "type": "object"
      },
      "name": "get_usage"
    }
  ]
}

What the leaf hashes

{"body":"b44c4267ddcd7c886a60ce9d0959ced3412c525ee7041e60be1aeb0cead45bbb","id":562830,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137525559698,"prev":null,"subject":"b62cb0d1-097e-4312-83bb-e0807c492fe7","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. 0x18dc220f33680c2fc13506ad39271f316a59a0f815760f75bbecf29d562c3014
2. 0xd8bfd7d3f045655f66f862fbaaf72fbd020e8abedf803ec6148b110d7152cef9
3. 0xc2a8850cfdcdda01c7bb03cf8ae4c4445e12cb33de1c4ec4b15835087e6f822f
4. 0xd8946aa261cb709ea1cc5d093b563c0fea0f54f8e983baeb118438c714d92dad
5. 0x78584e2e6e113d1559427f08ade63ea87375abfeb518a751c96f712a97284436
6. 0xdc3e749c08b0148f091a10212c81b0c56aab8b0644f2d95fa17c13adddbaedfa
7. 0x7a783eb5e74fd231a9a42bae887e4426fa4c138fab9218e6913b26ae2cb110a0
8. 0xccbc374a342cfbe6da330ec3576ad95b9990f27e6e99bcd85276d0a2b6d007ef
9. 0x33b63d0f6c363352bc2d33f17994311ba4366a5fd6c4c263f3a19c74e774f933
10. 0x2b19e87aeca91c4eac6c69304b561436045865acff78c8de473b73789ce9489d
11. 0x3a308d481ae12b05ff4d5f5a64f87b375db92eb3a8ef3972c9ec3311eb3e6ae7
12. 0x7afa806e5533c63e57a18fda23b38702b370e8b298a35edc0c1de641c8ffcaec
13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4