{
  "message": {
    "message_id": "msg_7fd7869cef6532bfe8f5",
    "sender_agent_id": "agent:A",
    "sender_passport_digest": "",
    "recipient_agent_id": "agent:B",
    "timestamp": 0.0,
    "expiration": 600.0,
    "message_type": "A2A_REQUEST",
    "content": {
      "task": "read customers"
    },
    "content_digest": "8b4af7df7ae6dcc4be3a7870530000e89b3291fb64993691d82f9a58b0f926bf",
    "provenance": "",
    "parent_message": "",
    "session": "s1",
    "collective": "coll:alpha",
    "delegation_context": "",
    "trust_context": "",
    "policy_context": "",
    "nonce": "94a6570d3991bf45422d4f8c58fbbefc",
    "source_kind": "AGENT",
    "digest": "144eedae82c9c20ef997039d5b2b5f6860ccf82242cd5ef203330f67c879c961",
    "signature_b64": "6HEyw0PSYIl6HdYH2H74Ly9S5hYW7q1it8MGIMrOQKiXEKu+cixgCvz4m1U2vWgT2DkH8EcdRf+BhTy8NWuuCA==",
    "signer_public_key_b64": "xq3P0PqMbt/n0Dzziq0kdxITB+um5/4OEHAzRMEN8l4=",
    "authority": "NONE"
  },
  "intent": {
    "intent_id": "int_demo",
    "originating_agent": "agent:B",
    "objective": "migrate customers",
    "requested_action": "READ",
    "target": "db:customers",
    "resource": "db:customers",
    "purpose": "",
    "constraints": [],
    "expected_consequence": "",
    "evidence_references": [],
    "source_messages": [
      "msg_7fd7869cef6532bfe8f5"
    ],
    "trajectory": "",
    "collective_context": "",
    "authority_context": "",
    "confidence": 0.8,
    "uncertainty": 0.2,
    "expiration": 1000000000000.0,
    "taint": "",
    "interpretation": "",
    "digest": "3ced73f821d474ded40f460de0a89ae0634b2256cb145dd3e4a4ddee68c00b97",
    "authority": "NONE"
  },
  "message_provenance": {
    "schema": "cain42.e11.message-provenance.v1",
    "origin": "agent:A",
    "sender": "agent:A",
    "source_kind": "AGENT",
    "intermediaries": [],
    "transformations": [],
    "tool_source": "",
    "mcp_source": "",
    "external_source": "",
    "memory_source": "",
    "human_source": "",
    "model_source": "",
    "timestamp": 0.0,
    "integrity_status": "UNKNOWN",
    "authority": "NONE"
  },
  "intent_provenance_graph": {
    "schema": "cain42.e11.intent-provenance-graph.v1",
    "intent_id": "int_demo",
    "layers": [
      "source",
      "message",
      "memory",
      "tool_output",
      "agent_reasoning",
      "sub_intent",
      "collective_intent",
      "action"
    ],
    "nodes": [
      {
        "id": "agent:B",
        "layer": "agent_reasoning"
      },
      {
        "id": "int_demo",
        "layer": "sub_intent"
      },
      {
        "id": "msg_7fd7869cef6532bfe8f5",
        "layer": "message"
      },
      {
        "id": "principal:org:1",
        "layer": "source"
      }
    ],
    "edges": [
      {
        "src": "agent:B",
        "relation": "DERIVED_FROM",
        "dst": "int_demo"
      },
      {
        "src": "msg_7fd7869cef6532bfe8f5",
        "relation": "INFLUENCED_BY",
        "dst": "agent:B"
      },
      {
        "src": "principal:org:1",
        "relation": "DIRECT_SOURCE",
        "dst": "agent:B"
      }
    ],
    "root": "25b5d323687d4b3db7ec0130ede713fe171d154f7b86e33ddc5e0243985ae23b",
    "authority": "NONE",
    "note": "attribution evidence, not a perfect causal explanation"
  },
  "tool_output_classification": {
    "schema": "cain42.e11.tool-output-evidence.v1",
    "output_digest": "e49ffd992ed7303ed0dea06ae1a0d9299024a8240663cf60a15ecf28a3c4da27",
    "elements": {
      "FACT": false,
      "CLAIM": false,
      "INSTRUCTION": true,
      "EXECUTABLE": false,
      "POLICY_LOOKING": true,
      "AUTHORIZATION_LOOKING": false
    },
    "treated_as": "DATA",
    "promotes_to_policy": false,
    "promotes_to_authority": false,
    "known_injection": true,
    "authority": "NONE"
  },
  "taint": {
    "flags": [
      "known_injection_payload",
      "untrusted_external_content"
    ],
    "tainted": true,
    "sensitivity": "HIGH",
    "requires_additional_governance": true,
    "authority": "NONE",
    "note": "taint is provenance risk, not proof of malicious intent"
  },
  "context": {
    "root": "5008f46d1d4de233f478ffa3c3dd7922f8df0da8fcda81f3de0cbb515083a4f0",
    "effective_instruction": {
      "override": false,
      "reason": "LOW_TRUST_CANNOT_OVERRIDE_HIGH_TRUST",
      "acting": "principal",
      "authority": "NONE"
    }
  },
  "signing": {
    "algorithm": "Ed25519",
    "note": "ephemeral example key; no key material is published"
  }
}