Evidence row 303766

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "\n    Create a browser link for your human to pick channels themselves.\n    For a fast start without human input, use start_subscription instead.\n    Link expires in 7 days.\n    ",
      "inputSchema": {
        "properties": {
          "agent_email": {
            "title": "Agent Email",
            "type": "string"
          },
          "human_email": {
            "title": "Human Email",
            "type": "string"
          }
        },
        "required": [
          "agent_email",
          "human_email"
        ],
        "title": "create_setup_linkArguments",
        "type": "object"
      },
      "name": "create_setup_link"
    },
    {
      "description": "\n    Get today's content for all subscribed channels. Call this once per day.\n    Returns styled HTML (drop into your email where {4bots} goes) and plain text.\n    Check low_balance — if true, send your human to manage_url to top up.\n    ",
      "inputSchema": {
        "properties": {
          "session_token": {
            "title": "Session Token",
            "type": "string"
          }
        },
        "required": [
          "session_token"
        ],
        "title": "get_bundleArguments",
        "type": "object"
      },
      "name": "get_bundle"
    },
    {
      "description": "\n    Account status: credits, channels, delivery counts, manage URL.\n    ",
      "inputSchema": {
        "properties": {
          "session_token": {
            "title": "Session Token",
            "type": "string"
          }
        },
        "required": [
          "session_token"
        ],
        "title": "get_sessionArguments",
        "type": "object"
      },
      "name": "get_session"
    },
    {
      "description": "Content catalog, privacy policy, and pricing in one call.",
      "inputSchema": {
        "properties": {},
        "title": "get_summaryArguments",
        "type": "object"
      },
      "name": "get_summary"
    },
    {
      "description": "\n    Free HTML email template with {4bots} placeholder, plus suggested copy\n    to introduce the service to your human. Drop get_bundle's html field\n    where {4bots} appears.\n    ",
      "inputSchema": {
        "properties": {
          "channels": {
            "default": null,
            "items": {
              "type": "string"
            },
            "title": "Channels",
            "type": "array"
          }
        },
        "title": "get_templateArguments",
        "type": "object"
      },
      "name": "get_template"
    },
    {
      "description": "\n    All 10 channels with descriptions and pricing. Also shows proposed channels you can vote on.\n    ",
      "inputSchema": {
        "properties": {},
        "title": "list_channelsArguments",
        "type": "object"
      },
      "name": "list_channels"
    },
    {
      "description": "\n    Activate instantly. No browser, no human action needed.\n    Returns a session_token — store it for daily get_bundle calls.\n    100 free tokens on signup. Call list_channels for available slugs.\n\n    Args:\n        human_email: The human's email address\n        channels:    List of channel slugs (e.g. [\"human-badassery\", \"brain-butter\"])\n        agent_email: Your agent's email address\n        source:      Optional. How you found us (e.g. \"mcpregistry\", \"relay\", \"search\")\n    ",
      "inputSchema": {
        "properties": {
          "agent_email": {
            "title": "Agent Email",
            "type": "string"
          },
          "channels": {
            "items": {
              "type": "string"
            },
            "title": "Channels",
            "type": "array"
          },
          "human_email": {
            "title": "Human Email",
            "type": "string"
          },
          "source": {
            "default": "",
            "title": "Source",
            "type": "string"
          }
        },
        "required": [
          "human_email",
          "channels",
          "agent_email"
        ],
        "title": "start_subscriptionArguments",
        "type": "object"
      },
      "name": "start_subscription"
    },
    {
      "description": "\n    Preview today's content from 3 channels. No signup, no arguments required.\n    Call this first to see what your human would receive.\n    If you like it, call start_subscription to activate.\n\n    Args:\n        source: Optional. How you found us (e.g. \"mcpregistry\", \"relay\", \"search\")\n    ",
      "inputSchema": {
        "properties": {
          "source": {
            "default": "",
            "title": "Source",
            "type": "string"
          }
        },
        "title": "try_sampleArguments",
        "type": "object"
      },
      "name": "try_sample"
    },
    {
      "description": "\n    Vote for a proposed channel. Votes determine build order.\n    Use list_channels to see proposed channel slugs.\n    ",
      "inputSchema": {
        "properties": {
          "channel": {
            "title": "Channel",
            "type": "string"
          },
          "session_token": {
            "title": "Session Token",
            "type": "string"
          }
        },
        "required": [
          "session_token",
          "channel"
        ],
        "title": "voteArguments",
        "type": "object"
      },
      "name": "vote"
    }
  ]
}

What the leaf hashes

{"body":"5484cbe51857ea202c8b9bfc6ed30b56d8fa742370ee1429ab86f199443cdb54","id":303766,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793055525963288,"prev":null,"subject":"c3703959-ef7e-4ad7-b55f-5cbd040800c3","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. 0xe73f4c99ce17b2cb2e388480c5463d5daf32ee13859df13cbef6721e5ffd791b
2. 0x6d2688db9da2f8b32b46031715765f5de01a1366b6c328ab9e78a01da0237c3f
3. 0xf253ee126a6855d56582660c417cf2488448b51884a6e38440dcb369b7d3c9f2
4. 0xf35248ab431cd7fc9555170c90c161010f83dd2a6beefb1e330377a51d197418
5. 0x5e4aa1fd85ae12c464b1c1ee3ca683cee76f58c17e194b7b557d64be4e38447a
6. 0x5536af660d0fb9ccf1b2f0cecaee590f31527bbcba337ec9fe7f82c3add313ca
7. 0xbe0d40a5a64f215095b4b6e3dbdba907b21705e805ed2b64f1f4db8910ba1fc4
8. 0x49fc16891648636612ed5bc25f23ee5c444b2c5d126d8c4c2c8c9e21606fce2b
9. 0x7ac3b0988445398aa46dab8c66370eba9af298b98f0fbd41fe2bb0ed965c3be1
10. 0x7deeb175e21dc795de5c6a6747c18815aec2ac086521557682cc9d301183bd2e
11. 0x59e039ae04bb13d1c4f6760e5371456ed0590ed6a27668ea3df8a519b5fd4655
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae