{
  "evidence_type": "selected measurement extract",
  "independent_replication": "not established",
  "privacy": "Local paths, run IDs, signing identities, mapped addresses and device/session identifiers omitted.",
  "source_code_included": false,
  "raw_logs_included": false,
  "observed_on": "2026-10-10",
  "environment": "physical M2 Vision Pro, visionOS 27.2, ordinary development signing",
  "strict_status": "FAIL",
  "cases": [
    {
      "case": "native",
      "gpu_completed_frames": 120,
      "verified_pixels": 120,
      "acknowledged_frames": 120,
      "presented_frames": 0,
      "zero_timestamp_callbacks": 120,
      "gpu_handoff_status": "PASS",
      "status": "FAIL",
      "worker_stopped": true,
      "guest_handle_closed": true,
      "presentations_drained": true,
      "display_link_used": 1,
      "display_link_invalidated": 1
    },
    {
      "case": "retargeted-mac",
      "gpu_completed_frames": 120,
      "verified_pixels": 120,
      "acknowledged_frames": 120,
      "presented_frames": 0,
      "zero_timestamp_callbacks": 120,
      "gpu_handoff_status": "PASS",
      "status": "FAIL",
      "worker_stopped": true,
      "guest_handle_closed": true,
      "presentations_drained": true,
      "display_link_used": 1,
      "display_link_invalidated": 1
    },
    {
      "case": "retargeted-mac-restart",
      "gpu_completed_frames": 120,
      "verified_pixels": 120,
      "acknowledged_frames": 120,
      "presented_frames": 0,
      "zero_timestamp_callbacks": 120,
      "gpu_handoff_status": "PASS",
      "status": "FAIL",
      "worker_stopped": true,
      "guest_handle_closed": true,
      "presentations_drained": true,
      "display_link_used": 1,
      "display_link_invalidated": 1
    },
    {
      "case": "native-nextdrawable-control",
      "gpu_completed_frames": 120,
      "verified_pixels": 120,
      "acknowledged_frames": 120,
      "presented_frames": 0,
      "zero_timestamp_callbacks": 120,
      "gpu_handoff_status": "PASS",
      "status": "FAIL",
      "worker_stopped": true,
      "guest_handle_closed": true,
      "presentations_drained": true,
      "display_link_used": 0,
      "display_link_invalidated": 0
    }
  ],
  "game_code_loaded": false,
  "limitations": [
    "Toy GPU workload; no game performance inference",
    "Presentation timestamp cause unverified",
    "Visible output observation does not verify all cases"
  ]
}