Evidence row 304676

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Fetch the full text of a single V³ event by id (from ``search``).\n\n    Returns V³'s public report (headline, why-it-matters, the full\n    long-form report when V³ has authored one, risk/impact/signal scores,\n    coverage depth) plus the canonical v3.news url for citation. The\n    country-by-country perspectives, timeline, decisions and assessed\n    outcomes live at that url.\n\n    Args:\n        id: the V³ event id returned by ``search``.\n    ",
      "inputSchema": {
        "properties": {
          "id": {
            "title": "Id",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "title": "fetchArguments",
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Search V³ News for tracked geopolitical events matching a query.\n\n    Returns a list of matching events, each with an id (for ``fetch``) and\n    a v3.news citation url. V³ covers 12 categories (geopolitics, security,\n    energy, finance, markets, macro, trade, technology, science, climate,\n    business, public finance) with multi-perspective, cited analysis.\n\n    Args:\n        query: free-text topic, country, or question (e.g. \"Iran sanctions\").\n    ",
      "inputSchema": {
        "properties": {
          "query": {
            "title": "Query",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "title": "searchArguments",
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Get events V³ is currently tracking in BREAKING tempo — fast-\n    moving stories under near-real-time monitoring right now.\n\n    Use when the user asks \"what's breaking\", \"any breaking news\", or\n    about a developing situation. Returns an empty list when nothing is\n    in breaking tempo (a quiet news moment), which is itself a signal.\n    ",
      "inputSchema": {
        "properties": {},
        "title": "v3_breaking_nowArguments",
        "type": "object"
      },
      "name": "v3_breaking_now"
    },
    {
      "description": "Get a single V³ event: headline, why-it-matters, scores, and how\n    much structured analysis V³ holds on it (perspectives, decisions,\n    outcomes).\n\n    Use after v3_search_events (or v3_breaking_now) when the user wants\n    detail on a specific event. This returns V³'s public summary; the\n    full country-by-country perspectives, timeline, decisions to watch,\n    and assessed outcomes are on v3.news at the returned url (a V³\n    account unlocks the multi-perspective analysis).\n\n    Args:\n        event_id: the V³ event id from a prior tool result.\n    ",
      "inputSchema": {
        "properties": {
          "event_id": {
            "title": "Event Id",
            "type": "string"
          }
        },
        "required": [
          "event_id"
        ],
        "title": "v3_get_eventArguments",
        "type": "object"
      },
      "name": "v3_get_event"
    },
    {
      "description": "Get V³'s Global Pulse — the world's current risk/impact/signal\n    reading and how it has moved over a recent window.\n\n    Use when the user asks how tense/volatile the world is right now,\n    whether global risk is rising or falling, or wants a one-number\n    situational read rather than a specific event. Scores are 0-100\n    aggregates across everything V³ tracks (risk = downside pressure,\n    impact = consequence, signal = momentum, priority = attention\n    weight).\n\n    Args:\n        window_days: trailing window for the trend, 2-90 (default 14).\n    ",
      "inputSchema": {
        "properties": {
          "window_days": {
            "default": 14,
            "title": "Window Days",
            "type": "integer"
          }
        },
        "title": "v3_global_pulseArguments",
        "type": "object"
      },
      "name": "v3_global_pulse"
    },
    {
      "description": "Get V³'s latest global intelligence brief — the chief-of-staff\n    top line on what matters in the world right now, with per-category\n    state and counts.\n\n    Use when the user asks for a world summary, \"what's happening\n    today\", or a geopolitical situation overview.\n    ",
      "inputSchema": {
        "properties": {},
        "title": "v3_latest_briefArguments",
        "type": "object"
      },
      "name": "v3_latest_brief"
    },
    {
      "description": "Search V³ News for tracked geopolitical events.\n\n    Use when the user asks what is happening on a topic, in a country,\n    or in a domain (e.g. security, energy, finance, technology). Returns\n    a ranked list of events with why-it-matters, risk/impact/signal\n    scores, and a v3.news link for each.\n\n    Args:\n        query: free-text topic (e.g. \"Iran sanctions\", \"Taiwan\"). Optional.\n        country: ISO-3166 alpha-2 code to filter by (e.g. \"US\", \"CN\"). Optional.\n        category: V³ category slug — one of geopolitics, security_risk,\n            energy_resources, finance, markets, macroeconomics,\n            public_finance, trade_supply, technology, science_biosecurity,\n            environment_climate, business. Optional.\n        limit: max results, 1-20 (default 10).\n    ",
      "inputSchema": {
        "properties": {
          "category": {
            "default": "",
            "title": "Category",
            "type": "string"
          },
          "country": {
            "default": "",
            "title": "Country",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          },
          "query": {
            "default": "",
            "title": "Query",
            "type": "string"
          }
        },
        "title": "v3_search_eventsArguments",
        "type": "object"
      },
      "name": "v3_search_events"
    }
  ]
}

What the leaf hashes

{"body":"0a23fb7f98606af0cf6b3fa83437fb8878c418b094c90b9c3e5362f8c733342b","id":304676,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056023756704,"prev":null,"subject":"9d718697-4fd0-4c1a-a6d8-4736db3b4121","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. 0xe1623705c0c0cee3b056be376cc6b3a08af280419270b0f06f56ef007338278f
2. 0xe929bd03719b8cd47ca990284e1cffdf40463297f06e3ea1028bd9f826de4f7c
3. 0x744753e641091762f9c2412b3b7f5b71e86f48d0a88b92326e12c67526fd5d4f
4. 0xcd2cd4b96a23294f6086eed7ff6def433ae9bbba274b47aef2ec4bca01415dee
5. 0xc0ead80bd5872a5111eea0ef2ee42d93364ed5d941a92e5f625ca9241d062573
6. 0x394f4392ccee1a630c36301867c8797819d0360e3c431477bd814ce0a5b57167
7. 0xcd0d428139cdf69520b01a4533b312e620f1a3e0e491a8c519b2744cced9401d
8. 0xff96377938c41ab084afb4a2bdfe929b35e9106170f9604c1c01b956a7371ff8
9. 0xe63f8e4581859c67f54bf7aee4c4a0debf8404ddbf6dd1964ec000823c4caa23
10. 0x4b514c272cf743fead7500e2a90fbbb62a667f67d8a586fb32ddc4f005077e2e
11. 0x82d0a2528274b883dc22fee84985c9c34404274baadfb76651d0008598f80bff
12. 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae