{
  "codebase_version": "v2.0",
  "robot_type": "koch",
  "total_episodes": 2,
  "total_frames": 1192,
  "total_tasks": 1,
  "total_videos": 2,
  "total_chunks": 1,
  "chunks_size": 1000,
  "fps": 30,
  "splits": {
    "train": "0:2"
  },
  "data_path": "data/*.tsfile",
  "features": {
    "next.reward": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "action": {
      "dtype": "float32",
      "shape": [
        6
      ],
      "names": [
        "main_shoulder_pan",
        "main_shoulder_lift",
        "main_elbow_flex",
        "main_wrist_flex",
        "main_wrist_roll",
        "main_gripper"
      ]
    },
    "observation.state": {
      "dtype": "float32",
      "shape": [
        6
      ],
      "names": [
        "main_shoulder_pan",
        "main_shoulder_lift",
        "main_elbow_flex",
        "main_wrist_flex",
        "main_wrist_roll",
        "main_gripper"
      ]
    },
    "observation.images.main": {
      "dtype": "video",
      "shape": [
        600,
        800,
        3
      ],
      "names": [
        "height",
        "width",
        "channels"
      ],
      "info": {
        "video.fps": 30.0,
        "video.height": 600,
        "video.width": 800,
        "video.channels": 3,
        "video.codec": "av1",
        "video.pix_fmt": "yuv420p",
        "video.is_depth_map": false,
        "has_audio": false
      }
    },
    "timestamp": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "names": null
    },
    "frame_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "episode_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "task_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    }
  },
  "video_path_original": "videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4",
  "tsfile_conversion": {
    "source_dataset": "jackvial/koch_test",
    "converted_data_files": [
      "data/jackvial_koch_test_chunk_v2.tsfile",
      "data/jackvial_koch_test_train_legacy.tsfile"
    ],
    "time_precision": "ms",
    "time_mapping": {
      "source": "timestamp",
      "formula": "round(timestamp * 1000)",
      "unit": "milliseconds",
      "restarts_per_episode": true
    },
    "layouts": [
      {
        "layout": "chunk_v2",
        "table_name": "jackvial_koch_test_chunk_v2",
        "source_files": [
          "data/chunk-000/episode_000000.parquet",
          "data/chunk-000/episode_000001.parquet"
        ],
        "source_rows": 1192,
        "converted_rows": 1192,
        "episodes": {
          "0": 596,
          "1": 596
        },
        "tag_columns": [
          "episode_index",
          "task_index"
        ],
        "video_columns_omitted": [],
        "staged_parquet": "jackvial_koch_test_chunk_v2.parquet",
        "tsfile": "data/jackvial_koch_test_chunk_v2.tsfile"
      },
      {
        "layout": "train_legacy",
        "table_name": "jackvial_koch_test_train_legacy",
        "source_files": [
          "data/train-00000-of-00001.parquet"
        ],
        "source_rows": 880,
        "converted_rows": 880,
        "episodes": {
          "0": 289,
          "1": 294,
          "2": 297
        },
        "tag_columns": [
          "episode_index"
        ],
        "video_columns_omitted": [
          "observation.images.laptop"
        ],
        "staged_parquet": "jackvial_koch_test_train_legacy.parquet",
        "tsfile": "data/jackvial_koch_test_train_legacy.tsfile"
      }
    ],
    "dropped_columns": {
      "timestamp": "Converted to Time and not retained as a separate field."
    },
    "omitted_video_columns": {
      "observation.images.laptop": "Legacy train layout video path struct; videos remain in the original dataset."
    },
    "video_policy": "Videos are not uploaded; use the original Hugging Face dataset videos."
  }
}