{
  "snapshot_id": "SNAP-2026-09-17",
  "date": "2026-09-17",
  "timestamp": "2026-09-17T00:00:00Z",
  "engine_version": "1.3.0",
  "integrity": {
    "algorithm": "SHA-256",
    "graph_content_hash": "bc887639deabb8d90c46dd872dd4399332fa0f33c56fff46b28b589d16b17207"
  },
  "metrics": {
    "knowledge_graph": {
      "entities": 0,
      "relationships": 0
    },
    "software_intelligence": {
      "products": 0,
      "vulnerabilities": 0,
      "cisa_kev_active": 0
    }
  },
  "signals_summary": {
    "significant_changes": 23,
    "critical_accelerations": 5,
    "notes": "Immutable historical snapshot for 2026-09-17. Anchored by hash bc887639deabb8d9."
  }
}