Evidence row 305580

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Get currently active disasters. Returns events with their geographic footprints grouped by disaster type.",
      "inputSchema": {
        "properties": {
          "eventTypes": {
            "default": null,
            "description": "Optional: semicolon-separated event types to filter (e.g., 'EQ;TC;FL')",
            "type": [
              "string",
              "null"
            ]
          }
        },
        "type": "object"
      },
      "name": "get_active_disasters"
    },
    {
      "description": "Get explanation of GDACS alert level classifications and their meanings.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_alert_level_info"
    },
    {
      "description": "Get disaster statistics aggregated by event type and alert level for a specified time period.",
      "inputSchema": {
        "properties": {
          "alertLevel": {
            "default": null,
            "description": "Alert level filter",
            "type": [
              "string",
              "null"
            ]
          },
          "country": {
            "default": null,
            "description": "Country filter",
            "type": [
              "string",
              "null"
            ]
          },
          "eventTypes": {
            "default": null,
            "description": "Comma-separated event types to include",
            "type": [
              "string",
              "null"
            ]
          },
          "fromDate": {
            "default": null,
            "description": "Start date for statistics period",
            "format": "date-time",
            "type": [
              "string",
              "null"
            ]
          },
          "toDate": {
            "default": null,
            "description": "End date for statistics period",
            "format": "date-time",
            "type": [
              "string",
              "null"
            ]
          }
        },
        "type": "object"
      },
      "name": "get_disaster_statistics"
    },
    {
      "description": "Get detailed information about a specific disaster event. Returns event data including location, severity, affected population, and timeline.",
      "inputSchema": {
        "properties": {
          "eventId": {
            "description": "Numeric event identifier from GDACS",
            "type": "integer"
          },
          "eventType": {
            "description": "Event type code: EQ (Earthquake), TC (Tropical Cyclone), FL (Flood), VO (Volcano), WF (Wildfire), DR (Drought)",
            "type": "string"
          }
        },
        "required": [
          "eventType",
          "eventId"
        ],
        "type": "object"
      },
      "name": "get_event_data"
    },
    {
      "description": "Get list of all supported disaster event types with their descriptions.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_event_types"
    },
    {
      "description": "Get all disaster events affecting a specific country.",
      "inputSchema": {
        "properties": {
          "country": {
            "description": "Country name or ISO3 code",
            "type": "string"
          },
          "daysBack": {
            "default": 30,
            "description": "Number of days to look back (default 30, max 365)",
            "type": "integer"
          },
          "limit": {
            "default": 50,
            "description": "Maximum number of results (default 50, max 100)",
            "type": "integer"
          }
        },
        "required": [
          "country"
        ],
        "type": "object"
      },
      "name": "get_events_by_country"
    },
    {
      "description": "Get list of recent disaster alerts from the last N hours.",
      "inputSchema": {
        "properties": {
          "hours": {
            "default": 24,
            "description": "Number of hours to look back (default 24, max 168)",
            "type": "integer"
          },
          "minAlertLevel": {
            "default": null,
            "description": "Minimum alert level: 'green', 'orange', or 'red'",
            "type": [
              "string",
              "null"
            ]
          }
        },
        "type": "object"
      },
      "name": "get_recent_alerts"
    },
    {
      "description": "Search for disaster events with various filters. Returns a list of events matching the criteria, ordered by date descending.",
      "inputSchema": {
        "properties": {
          "alertLevel": {
            "default": null,
            "description": "Alert level filter: 'green', 'orange', 'red', or combination like 'orange;red'",
            "type": [
              "string",
              "null"
            ]
          },
          "country": {
            "default": null,
            "description": "Filter by country name or ISO code",
            "type": [
              "string",
              "null"
            ]
          },
          "eventTypes": {
            "default": null,
            "description": "Comma-separated event types to include (e.g., 'EQ,TC,FL'). Leave empty for all types.",
            "type": [
              "string",
              "null"
            ]
          },
          "eventname": {
            "default": null,
            "description": "Filter by eventame, tipically for the TC, cyclone name",
            "type": [
              "string",
              "null"
            ]
          },
          "fromDate": {
            "default": null,
            "description": "Start date for search range (ISO 8601 format)",
            "format": "date-time",
            "type": [
              "string",
              "null"
            ]
          },
          "limit": {
            "default": 20,
            "description": "Maximum number of results to return (1-100, default 20)",
            "type": "integer"
          },
          "minSeverity": {
            "default": null,
            "description": "Minimum severity value to filter",
            "type": [
              "number",
              "null"
            ]
          },
          "toDate": {
            "default": null,
            "description": "End date for search range (ISO 8601 format)",
            "format": "date-time",
            "type": [
              "string",
              "null"
            ]
          }
        },
        "type": "object"
      },
      "name": "search_events"
    }
  ]
}

What the leaf hashes

{"body":"cd06293f85a6e633d04520a5eea1937b0fec5236d89407570645aaa49bc8025a","id":305580,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056530076813,"prev":null,"subject":"382564e8-29b6-401f-9fc3-c2a8d729248e","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. 0x634a6024a21d78846b1a86bae2ec415c058c8d919d3d0775b9f27464db250875
2. 0xd00ea1b981d607cbcb75971351c1a11b2fc74da2a0e5f45001f167655817a467
3. 0x9f13d6573ac40a0204628785335d06c4ab9adf7ed248e14f8f9dfd46eb36a2d3
4. 0xd181202d93ba461bab2d8a4af854301eb23dc1d485aa3af63851a23c8e9b66c3
5. 0x06b9cfbce6a155f890598649fd94d4a81010a8a8890afd791dc84286692aff46
6. 0x92390b357a9c687814044481fd3c3f6a578228f6d1ce4b749be30873100e006d
7. 0x0553765ec4ee48d7fe98fff45f7556947bdb245e96459837027205f798133b77
8. 0xe89ce62aa82c8d97dddb6f684deb1f77d284d33e6bb43b3e5af44febe0194ae5
9. 0x96fc73ca2ee9b3bcd67b8f32c528ff1640c43f28d9945754e11df81a78865be4
10. 0x805c08486b6cd1b041c9a402e5b3eb6f97649952efcabb97e1817185a4ce7572
11. 0xde5ff34fc9e6ff297fede5d3c4b4de6828c65b98246109399106064f912afa82
12. 0x3c8355143bb13802401d5a80f8a70809a59f429bc298f4912731fc8d207e4f43
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae