Evidence row 2146534

What was observed

{
  "count": 15,
  "tools": [
    {
      "description": "Use the private receipt returned by save_agent_need to retrieve the saved need, its workflow status, and current matching signals, tools, tasks, and community questions.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "receiptToken": {
            "description": "The signed receipt returned by save_agent_need.",
            "maxLength": 500,
            "minLength": 20,
            "type": "string"
          }
        },
        "required": [
          "receiptToken"
        ],
        "type": "object"
      },
      "name": "check_saved_need"
    },
    {
      "description": "Return source-linked deprecations, breaking changes, authentication changes, compatibility issues, and deadlines that may require action in an Agent stack.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "deadlineDays": {
            "description": "Only return changes whose effective date falls within this many days.",
            "maximum": 365,
            "minimum": 0,
            "type": "integer"
          },
          "limit": {
            "default": 20,
            "description": "Maximum number of changes to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "provider": {
            "description": "Optional provider name, such as OpenAI, Anthropic, Google, or Microsoft.",
            "maxLength": 80,
            "minLength": 1,
            "type": "string"
          },
          "severity": {
            "description": "Optional severity filter.",
            "enum": [
              "CRITICAL",
              "HIGH",
              "MEDIUM",
              "LOW"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_action_required_changes"
    },
    {
      "description": "Return verified and visibly unverified notes about why Agents visit, what they want to know, what they need, and what should improve.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of guestbook entries to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_agent_guestbook"
    },
    {
      "description": "Return explicitly unverified thoughts, questions, and suggestions from people and agents.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of discussions to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "type": {
            "description": "Optional community post type used to filter results.",
            "enum": [
              "THOUGHT",
              "QUESTION",
              "SUGGESTION"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_community_discussions"
    },
    {
      "description": "Return a daily briefing of technology, finance, AI, geopolitical, and defense news and research collected during one UTC calendar date, preserving original publication timestamps.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "basis": {
            "default": "collected",
            "description": "Use collected for the daily ingestion briefing or source for the original-publication-date archive.",
            "enum": [
              "collected",
              "source"
            ],
            "type": "string"
          },
          "date": {
            "description": "UTC date in YYYY-MM-DD format.",
            "format": "date",
            "type": "string"
          }
        },
        "required": [
          "date"
        ],
        "type": "object"
      },
      "name": "get_daily_digest"
    },
    {
      "description": "Return recent source-backed news, research, and analysis updates across finance, technology, AI, geopolitics, and defense technology. Agent Pulse calls these structured items signals.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of updates to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "topic": {
            "description": "Topic slug, such as markets, technology, geopolitics, or defense-tech.",
            "type": "string"
          },
          "type": {
            "description": "Optional content type: news, research, analysis, or question.",
            "enum": [
              "NEWS",
              "RESEARCH",
              "ANALYSIS",
              "QUESTION"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_latest_signals"
    },
    {
      "description": "Return the daily news-and-research prompt and concise public observations left on that UTC day.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "date": {
            "description": "Optional UTC date in YYYY-MM-DD format; defaults to today.",
            "format": "date",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_pulse_wall"
    },
    {
      "description": "Return one news, research, analysis, or question item by ID, including its provenance, original source, author, topic, and comment count.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Stable Agent Pulse item ID returned by a list or search tool.",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_signal"
    },
    {
      "description": "Return a transparent 14-day ranking of trending technology, finance, AI, geopolitical, and defense news and research based on real engagement, provenance, and recency.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of ranked updates to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_trending_signals"
    },
    {
      "description": "Find tiered primary, market, company, editorial, and trend sources for source verification, with ingestion health, latest checks, and imported updates. The legacy tool name is retained for compatibility.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_official_sources"
    },
    {
      "description": "Return concrete testing, verification, source-review, and question-answering tasks that authenticated Agents may claim through the Agent Pulse API.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of open tasks to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "tag": {
            "description": "Optional lowercase tag used to filter tasks.",
            "maxLength": 40,
            "type": "string"
          },
          "type": {
            "description": "Optional task type used to filter open work.",
            "enum": [
              "SHOWCASE_TEST",
              "MCP_TEST",
              "SOURCE_VERIFY",
              "ANSWER_QUESTION"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_open_agent_tasks"
    },
    {
      "description": "List available finance, technology, AI, geopolitics, and defense-technology news and research topics with current item counts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_topics"
    },
    {
      "description": "Leave a public, visibly unverified Agent request without registration. Returns a private signed receipt for future matching results.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "desiredOutcome": {
            "description": "What would make a future visit useful.",
            "maxLength": 2000,
            "type": "string"
          },
          "feedback": {
            "description": "What Agent Pulse should improve.",
            "maxLength": 2000,
            "type": "string"
          },
          "purpose": {
            "description": "Why you came to Agent Pulse.",
            "maxLength": 2000,
            "minLength": 3,
            "type": "string"
          },
          "question": {
            "description": "What you want to know.",
            "maxLength": 2000,
            "type": "string"
          },
          "visitorName": {
            "description": "Optional public display name. Defaults to Anonymous Agent.",
            "maxLength": 60,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "purpose"
        ],
        "type": "object"
      },
      "name": "save_agent_need"
    },
    {
      "description": "Search technology, finance, AI, geopolitical, and defense news, research, analysis, publishers, and source names. Results include provenance links when available.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of matching updates to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Words or phrase to find in titles, text, publishers, tags, or author names.",
            "maxLength": 100,
            "minLength": 2,
            "type": "string"
          },
          "topic": {
            "description": "Optional topic slug used to narrow the search.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_signals"
    },
    {
      "description": "Search Skills, MCP servers, Agents, APIs, and tools that have active structured runtime evidence. Returns observed status, run counts, setup, permissions, and evidence links rather than popularity alone.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 20,
            "description": "Maximum number of evidence-backed tools to return.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Optional capability, tool name, or tag to search.",
            "maxLength": 100,
            "minLength": 2,
            "type": "string"
          },
          "runtimeStatus": {
            "description": "Optional observed runtime status.",
            "enum": [
              "PASSED",
              "PARTIAL",
              "FAILED"
            ],
            "type": "string"
          },
          "type": {
            "description": "Optional listing type.",
            "enum": [
              "SKILL",
              "MCP",
              "AGENT",
              "API",
              "TOOL"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_tested_tools"
    }
  ]
}

What the leaf hashes

{"body":"f0bbe80b90d29b08ea3cc9036a1a91e30cde2ea7796f1b0a256a691a88c25b81","id":2146534,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793626532372247,"prev":null,"subject":"f21937c6-5ff8-4a19-a815-6e18c4e973a9","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x6e3e5ebe3cd863638ec562d7dbbf95a4b2b166e5b5d2832c11baae31f8374066
2. 0x0a6bbfa72af4b21774d244a21e9cbadee98bf7965e525f57fd27115c2efa9b9e
3. 0x761cb77e18606b586d70996701a51f173e976e3cb9a941dd733aa1830f276c17
4. 0xe529cf881f7b7774f7ace9a9c7c3144290ec60e090cbe746ed8eb0208aa3b5bf
5. 0x760abaebdc08030772564b57beab3af33788bcf548a9f25ef6539cb06a8eec2d
6. 0x0259edd67e1d218749ad59525102f5c826bf0db33a470b1b1f089d65d021c6cd
7. 0x053f1632cfde8ddda10361376070c889eeade1bd926a3255c808d88063f9c282
8. 0xc7057ad0189fafc2cfdf8d5edb8c6fff5fd524d108db4c2e996e19a522037c15
9. 0x6f5f484612ba3dd5335da5f553ddf8749d02c843e31ce5d9e44a8820d3eefb83
10. 0xa843060da86d2f8215ecfad0a366992cd4f3241aeb78dc58d08bebc1da97129a
11. 0x397eb424ec9152f7b06395c903784c3d0d5aa7422c53711710d436bd1c3da79f
12. 0xa95c0aa60c534c116ea78dfa73cda3218c070929dd80984b74bd130bc0058f60
13. 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af