{
  "tasks": {
    "motherboard": {
      "language": "Bimanual manipulation of components on a computer motherboard.",
      "purpose": "Dense, contact-rich, synchronized multimodal interaction data for tactile-visual dynamics / world-model learning. Not a policy-learning / demonstration dataset.",
      "dates": ["2026-03-23", "2026-05-10", "2026-05-11"],
      "per_date_notes": {
        "2026-03-23": {
          "kind": "pilot",
          "active_sensors": ["right"],
          "note": "Early trials. ONLY the right GelSight + right rigid body were used. The left tactile stream is essentially flat (peak intensity ≤ 1.4 vs ≥ 12 when active) and the left OptiTrack pose is not informative — treat as right-sensor-only data."
        },
        "2026-05-10": {
          "kind": "session",
          "active_sensors": ["left", "right"],
          "note": "First full bimanual recording session."
        },
        "2026-05-11": {
          "kind": "session",
          "active_sensors": ["left", "right"],
          "note": "Largest session. A few GelSight LED-flicker frames and one mocap teleport event — see bad_frames.json."
        }
      },
      "n_episode_files": 30,
      "notes": "2026-05-11/episode_001 was lost at recording time (HDF5 superblock not finalized). 2026-05-11/episodes 000 and 002 were short test recordings with no tactile contact and were dropped."
    }
  },
  "schema_version": "mode1_v1",
  "layout": "processed/mode1_v1/<task>/<date>/episode_*.{pt,contact.json}"
}