Evidence row 291334

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":291334,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793048018276427,"prev":null,"subject":"4d32403c-4816-4b0d-8d2d-4bde59882376","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. 0xc2d56e1274c070545b893948dc8e1c0d9a7d2ec344a250f993115041b082d773
2. 0x9ae09790db209c841f8ec8b7debb7e880e32064fe98778defccf6fb53431dda4
3. 0x9de0b639d9f986dd0e83d254eb31b05fa9c57b0ee5ec3c20b27d9227952dc1fc
4. 0x7b51aa0a0839aeab190d45e9df877c9f62f01ed53db2db75d973abecf347eec3
5. 0xbe6825f8fb1726923e0f49ca152905cee7ccee9363d2e8c6303c692ba7cfc654
6. 0xa7ceaba9e79e33522b63d99f7c7d94bbeb807a7c6d82e6ac5433e61bd6174078
7. 0x7d0bd1fa31ddb1fc8c40cf343da2019a55113d9aaa806fd618c6ae45fdda037c
8. 0x9b72fefe591a2700c562fb84983443d0093c455196167af39b4b3d5b92106300
9. 0x2eaec7be5e939f8e37b9ab727fbcfdd2cade093a31bba6c674df4f6089f70666
10. 0x00d960df50a5325e5736603a5a0d0a56310dedcefbef5371376f8262982d78ed
11. 0x7f4ae229fdca48d3ef8476aa02e4d171abb9d529ffe12fe147f9a22b16589b6a
12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae