{
  "date": "2026-09-13",
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  "clips": {
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      "fps": 25.0,
      "duration_s": 10.0,
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      "tiles": [
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      "triangle_count_range": [
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      "wall_seconds": 6.353560011004447,
      "physics_stepped_during_render": false,
      "robot_pose_source": "measured native root and joint states",
      "surface_source": "measured Newton ParticleSurface at 10 Hz; latest sample within same episode",
      "physics_surface_lag_s": 0.005,
      "resets_visible": true,
      "automatic_done_count": 3,
      "video_sha256": "43959316ae37e0f018511d9152444944b858afb05ed6cc524e020a9c968c6846"
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      "checkpoint_sha256": "48b3a1c04cdbbcd9ffe8ad10b2591aff781c253c03c61ccb8683348d862c54ed",
      "rollout_sha256": "0380dc1bac99703f609828358ea0517d660e223405f3b6993baa01186ae5d27c",
      "surface_snapshots": 100,
      "triangle_count_range": [
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      "wall_seconds": 7.675718529004371,
      "physics_stepped_during_render": false,
      "robot_pose_source": "measured native root and joint states",
      "surface_source": "measured Newton ParticleSurface at 10 Hz; latest sample within same episode",
      "physics_surface_lag_s": 0.005,
      "resets_visible": true,
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      "env_id": 1,
      "tiles": [
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      "model_label": "SONIC / teacher step 8,000",
      "checkpoint_sha256": "48b3a1c04cdbbcd9ffe8ad10b2591aff781c253c03c61ccb8683348d862c54ed",
      "rollout_sha256": "0380dc1bac99703f609828358ea0517d660e223405f3b6993baa01186ae5d27c",
      "surface_snapshots": 100,
      "triangle_count_range": [
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      "wall_seconds": 7.67536518900306,
      "physics_stepped_during_render": false,
      "robot_pose_source": "measured native root and joint states",
      "surface_source": "measured Newton ParticleSurface at 10 Hz; latest sample within same episode",
      "physics_surface_lag_s": 0.005,
      "resets_visible": true,
      "automatic_done_count": 4,
      "video_sha256": "c94358665f1d53214307d81b9acfa116c3690809948000e73ad0f0271752bfcc"
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  },
  "limitations": [
    "Uncalibrated materials",
    "Fixed diagnostic stopping-motion reference, not a multi-motion terrain benchmark",
    "Native terminations are visible; process success is not policy success",
    "Offline measured replay; no browser physics",
    "Latest 10 Hz surface sample within each episode; 5 ms external coupling approximation"
  ],
  "tests": {
    "cpu_passed": 15,
    "optional_torch_passed_separately": 1
  },
  "discarded_pilot": {
    "note": "A random level-1 pilot completed finite frames but its launcher session ended with SIGTERM (143) without a launcher receipt. It is not used in the curated videos. Controlled evaluation was rerun successfully.",
    "finite_frames": 500
  },
  "latest_training_report": {
    "report_date": "2026-09-21",
    "study_date": "2026-09-20",
    "url": "training/",
    "summary": "training/summary.json",
    "soil_task_failures": {
      "start": 56,
      "scheduled": 53,
      "target": 54
    },
    "checkpoint_promoted": false,
    "note": "Existing native_runs and media describe the separate archived frozen-teacher showcase."
  }
}