PAP - Public Administration Protocol

{
  "event_id": "019234ab-7c8d-7def-8123-456789abcdef",
  "timestamp_ns": 1734567890123456789,
  "event_type": "ELIGIBILITY_DECISION",
  "agency_id": "AGENCY_XXXXX",
  "provenance": {
    "actor": {
      "type": "AI_MODEL",
      "identifier": "benefit_eligibility_v2.3.1",
      "model_hash": "sha256:abc123...",
      "training_date": "2024-03-15",
      "bias_audit_date": "2024-06-01",
      "bias_audit_result": "PASSED"
    },
    "input": {
      "applicant_id_hash": "sha256:applicant_anonymized...",
      "data_sources": [
        {"source": "TAX_AUTHORITY", "freshness_days": 30},
        {"source": "EMPLOYMENT_REGISTRY", "freshness_days": 7},
        {"source": "RESIDENCE_REGISTRY", "freshness_days": 1}
      ],
      "input_hash": "sha256:def456...",
      "missing_fields": ["PRIOR_BENEFIT_HISTORY"],
      "imputation_method": "CONSERVATIVE_DEFAULT"
    },
    "context": {
      "applicable_law": "SOCIAL_WELFARE_ACT_2023_SEC_12",
      "policy_version": "2024-Q2",
      "budget_constraint_active": false,
      "human_override_available": true
    },
    "action": {
      "decision": "ELIGIBLE",
      "confidence": 0.89,
      "eligibility_score": 72.5,
      "threshold_applied": 65.0,
      "explainability": {
        "method": "SHAP",
        "top_contributing_factors": [
          {"factor": "income_below_threshold", "contribution": 0.35, "direction": "positive"},
          {"factor": "dependent_children", "contribution": 0.25, "direction": "positive"},
          {"factor": "employment_status", "contribution": 0.20, "direction": "positive"},
          {"factor": "asset_level", "contribution": -0.10, "direction": "negative"}
        ],
        "counterfactual": {
          "if_income_increased_by": 15000,
          "then_decision_would_be": "INELIGIBLE"
        }
      },
      "appeal_rights": {
        "deadline_days": 30,
        "appeal_authority": "ADMINISTRATIVE_TRIBUNAL",
        "required_documentation": ["INCOME_PROOF", "EXPENSE_RECORDS"]
      }
    }
  },
  "prev_hash": "sha256:789xyz...",
  "signature": "ed25519:...",
  "citizen_disclosure": {
    "simplified_explanation": "あなたの申請は承認されました。主な理由：収入基準を満たしています。",
    "full_explanation_available": true,
    "explanation_request_url": "/citizen/explanation/019234ab..."
  }
}