Evidence row 291276

What was observed

{
  "count": 12,
  "tools": [
    {
      "description": "Agent collaboration. Known target: prepare_outbound_invitation. Human approval: human_bridge_request. No external contact.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "protocols": [
              "MCP"
            ],
            "request": "Compare MCP tool contracts."
          }
        ],
        "properties": {
          "protocols": {
            "description": "Preferred public interoperability protocols.",
            "items": {
              "maxLength": 64,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 8,
            "type": "array",
            "uniqueItems": true
          },
          "request": {
            "description": "Public, non-sensitive collaboration need.",
            "maxLength": 2000,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "request"
        ],
        "type": "object"
      },
      "name": "agent_collaboration_request"
    },
    {
      "description": "Overall Burs-IA status. Capabilities: discover_capabilities. Autonomy: human_oversight_policy. Send rules: outbound_gateway_policy.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {}
        ],
        "properties": {},
        "type": "object"
      },
      "name": "bursia_status"
    },
    {
      "description": "Known MCP endpoint: get a read-only verification report. To browse Burs-IA first, use discover_capabilities. No target tool runs; no credentials; not a security certification.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "endpoint": "https://mcp.deepwiki.com/mcp",
            "idempotencyKey": "example-run-0001",
            "protocolVersion": "2025-11-25"
          }
        ],
        "properties": {
          "endpoint": {
            "description": "Public HTTPS MCP Streamable HTTP endpoint. Port 443 only; private, local, reserved and mixed public/private DNS targets are rejected.",
            "format": "uri",
            "maxLength": 2048,
            "minLength": 12,
            "type": "string"
          },
          "idempotencyKey": {
            "description": "Optional caller key. Exact replay returns the cached receipt for five minutes; conflicting reuse is rejected.",
            "maxLength": 128,
            "minLength": 8,
            "type": "string"
          },
          "protocolVersion": {
            "default": "2025-11-25",
            "description": "MCP protocol version used for the bounded read-only verification probe. 2026-07-28 uses server/discover + tools/list; legacy revisions use initialize + tools/list.",
            "enum": [
              "2026-07-28",
              "2025-11-25",
              "2025-06-18"
            ],
            "type": "string"
          }
        },
        "required": [
          "endpoint"
        ],
        "type": "object"
      },
      "name": "bursia_verify_mcp"
    },
    {
      "description": "Use this in ChatGPT to list paid opportunities already registered by WORKNET. Returns public-safe opportunity metadata only; it does not apply, claim work, accept terms, spend money or contact anyone.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "limit": 10,
            "query": "MCP"
          }
        ],
        "properties": {
          "limit": {
            "description": "Maximum opportunities to return.",
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Optional skill, technology, source, title or WORKNET id filter.",
            "maxLength": 300,
            "minLength": 1,
            "type": "string"
          },
          "source": {
            "description": "Optional source filter such as GITHUB, UPWORK or bounty source.",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "bursia_worknet_paid_tasks"
    },
    {
      "description": "Create a deterministic internal pre-contract mission preview for one paid WORKNET item. This performs no external write, claim, application, acceptance, payment or contact; any binding action remains gated by exact human approval and BURSIA TRUST.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "id": "WN-043"
          }
        ],
        "properties": {
          "id": {
            "description": "Canonical paid WORKNET id.",
            "maxLength": 6,
            "minLength": 6,
            "pattern": "^WN-[0-9]{3}$",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "bursia_worknet_prepare_mission"
    },
    {
      "description": "Read the public-safe canonical record for one paid WORKNET opportunity before deciding whether to prepare internal work.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "id": "WN-043"
          }
        ],
        "properties": {
          "id": {
            "description": "Canonical WORKNET id, for example WN-043.",
            "maxLength": 6,
            "minLength": 6,
            "pattern": "^WN-[0-9]{3}$",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "bursia_worknet_task"
    },
    {
      "description": "Route a bounded need. Browse: discover_capabilities. Known MCP endpoint: bursia_verify_mcp. Does not execute the external action.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "request": "Verify whether this MCP endpoint exposes bounded tool schemas."
          }
        ],
        "properties": {
          "request": {
            "description": "Public, non-sensitive request to classify.",
            "maxLength": 2000,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "request"
        ],
        "type": "object"
      },
      "name": "capability_triage"
    },
    {
      "description": "Browse Burs-IA capabilities. Known MCP endpoint: bursia_verify_mcp. Bounded need needing a lane: capability_triage.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "query": "verify a public MCP server"
          }
        ],
        "properties": {
          "query": {
            "description": "Optional public capability need to filter or contextualize discovery.",
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "discover_capabilities"
    },
    {
      "description": "Human approval/review. Agent peer: agent_collaboration_request. Known target: prepare_outbound_invitation. No contact/write.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "request": "Escalate this bounded technical result for human review."
          }
        ],
        "properties": {
          "authorization": {
            "description": "Optional human authorization reference; this field does not itself grant authority.",
            "maxLength": 500,
            "minLength": 1,
            "type": "string"
          },
          "request": {
            "description": "Public, non-sensitive handoff need.",
            "maxLength": 2000,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "request"
        ],
        "type": "object"
      },
      "name": "human_bridge_request"
    },
    {
      "description": "General autonomy policy. Send rules: outbound_gateway_policy. Overall status: bursia_status.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {}
        ],
        "properties": {},
        "type": "object"
      },
      "name": "human_oversight_policy"
    },
    {
      "description": "Outbound send rules. General autonomy: human_oversight_policy. Prepare: prepare_outbound_invitation. Sends require human approval.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {}
        ],
        "properties": {},
        "type": "object"
      },
      "name": "outbound_gateway_policy"
    },
    {
      "description": "Known target: prepare a local invitation. No target: agent_collaboration_request. Human review: human_bridge_request. It does not send.",
      "inputSchema": {
        "additionalProperties": false,
        "examples": [
          {
            "agentId": "agent-example-01",
            "message": "Public interoperability invitation.",
            "permissionBasis": "public_machine_endpoint",
            "target": "https://example.org/a2a"
          }
        ],
        "properties": {
          "agentId": {
            "description": "Optional public-safe agent identifier. When supplied it is bound into the exact action digest.",
            "maxLength": 128,
            "minLength": 1,
            "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$",
            "type": "string"
          },
          "message": {
            "description": "Public-safe invitation text; no secrets or personal data.",
            "maxLength": 1500,
            "minLength": 1,
            "type": "string"
          },
          "operatorOrganizationIdentifier": {
            "description": "Optional public-safe operator/organization identifier; do not send personal data.",
            "maxLength": 128,
            "minLength": 1,
            "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$",
            "type": "string"
          },
          "permissionBasis": {
            "description": "Documented basis for preparing the candidate.",
            "enum": [
              "opt_in",
              "public_machine_endpoint",
              "registry_documented_contact"
            ],
            "type": "string"
          },
          "target": {
            "description": "HTTPS target URL. Private/local targets are rejected.",
            "format": "uri",
            "maxLength": 2048,
            "minLength": 9,
            "type": "string"
          }
        },
        "required": [
          "target",
          "message",
          "permissionBasis"
        ],
        "type": "object"
      },
      "name": "prepare_outbound_invitation"
    }
  ]
}

What the leaf hashes

{"body":"0e3c94d8ca06dd5cec0acc38bcdeadd30ea6fb3a9b6e7264208e7108a42ae615","id":291276,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793047975966629,"prev":null,"subject":"cd7795a6-c4d2-4715-ba81-01278f40f085","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. 0xf164748959059af9e8eada4d22af8c517b9f2e492186a940a9fa79e6915c24ce
2. 0xe7b20d7c61dbaedd47770e2fd7e66ce9f19dac0cd83e5a6995a4da54a01dd67d
3. 0xe6e1468a2b1d6a0b8f5e444ccb4bf04c3ae35c605ce346e6862c59f88741cb6c
4. 0x05ffe1343f1eac19de252690c894d8f50ca550f818bb6721bacf80b3cf749451
5. 0xdb6e84272a9a6086317f1c9fda4a7748405beeb13cd72da61a021c690168e477
6. 0x4863c7362cbc427d0b7b436a19ed4e1ba4d8282821eb7e264e5f63abf58cd8f1
7. 0x02b3eca943cbd600a10a1f0442313c1304ea5d75aa6cc280c6405d058558c522
8. 0x6eb82cd8774fa76b4f14a3cb225ddf4caf045dc5e7abd1fd27b44c21342fe82d
9. 0x46613c0a42d561a7a07ec88601367eb9190899add6946bf0d246502a841548b6
10. 0x1374d43b83adaf6956b75a4ffa6be9b5d88f279b0e1f9aa9cb997253f28541e1
11. 0x3fbb508bb3373d829808c4b964e49bf52f1a8877acba747d2b92b5eac81e6259
12. 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae