{
  "codebase_version": "v2.1",
  "robot_type": "so100",
  "total_episodes": 104,
  "total_frames": 110416,
  "total_tasks": 1,
  "total_videos": 312,
  "total_chunks": 1,
  "chunks_size": 1000,
  "fps": 30,
  "splits": {
    "train": "0:104"
  },
  "data_path": "data/apayan_so100_ball8.tsfile",
  "features": {
    "Time": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "tsfile_role": "TIME",
      "unit": "ms"
    },
    "episode_index": {
      "dtype": "string",
      "shape": [
        1
      ],
      "tsfile_role": "TAG",
      "source_dtype": "int64"
    },
    "task_index": {
      "dtype": "string",
      "shape": [
        1
      ],
      "tsfile_role": "TAG",
      "source_dtype": "int64"
    },
    "frame_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "sample_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "action_0": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "action_1": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "action_2": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "action_3": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "action_4": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "action_5": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "observation_state_0": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "observation_state_1": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "observation_state_2": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "observation_state_3": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "observation_state_4": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    },
    "observation_state_5": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "tsfile_role": "FIELD"
    }
  },
  "video_path_original": "videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4",
  "tsfile_conversion": {
    "source_dataset": "apayan/so100_ball8",
    "source_revision": "f318cc9490b327bd1382e29c528f7d7348aa4716",
    "source_data_path": "data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet",
    "converted_data_path": "data/apayan_so100_ball8.tsfile",
    "table_name": "apayan_so100_ball8",
    "granularity": "merged",
    "time_precision": "ms",
    "time_mapping": {
      "source": "timestamp",
      "formula": "round(timestamp * 1000)",
      "fps": 30,
      "unit": "milliseconds",
      "restarts_per_episode": true
    },
    "tag_columns": [
      "episode_index",
      "task_index"
    ],
    "row_count": 110416,
    "episode_file_count": 104,
    "episode_count": 104,
    "task_index_mapping": {
      "0": "Grasp object and put it in the box"
    },
    "flattened_features": {
      "action": [
        "action_0",
        "action_1",
        "action_2",
        "action_3",
        "action_4",
        "action_5"
      ],
      "observation.state": [
        "observation_state_0",
        "observation_state_1",
        "observation_state_2",
        "observation_state_3",
        "observation_state_4",
        "observation_state_5"
      ]
    },
    "renamed_features": {
      "index": "sample_index"
    },
    "dropped_features": [
      "timestamp"
    ],
    "omitted_features": [
      "observation.images.front",
      "observation.images.top",
      "observation.images.wrist"
    ],
    "encoding_profile": {
      "FLOAT/DOUBLE": "GORILLA + LZ4",
      "INT32/INT64": "TS_2DIFF + LZ4",
      "Time": "TS_2DIFF + LZ4",
      "BOOLEAN": "RLE + LZ4 (no BOOLEAN source fields)",
      "TAG": "native TsFile table/device TAG mechanism"
    },
    "original_video_path": "videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4",
    "original_video_streams": [
      "observation.images.front",
      "observation.images.top",
      "observation.images.wrist"
    ],
    "original_video_source": "https://huggingface.co/datasets/apayan/so100_ball8/tree/f318cc9490b327bd1382e29c528f7d7348aa4716/videos",
    "original_video_stream_urls": {
      "observation.images.front": "https://huggingface.co/datasets/apayan/so100_ball8/tree/f318cc9490b327bd1382e29c528f7d7348aa4716/videos/chunk-000/observation.images.front",
      "observation.images.top": "https://huggingface.co/datasets/apayan/so100_ball8/tree/f318cc9490b327bd1382e29c528f7d7348aa4716/videos/chunk-000/observation.images.top",
      "observation.images.wrist": "https://huggingface.co/datasets/apayan/so100_ball8/tree/f318cc9490b327bd1382e29c528f7d7348aa4716/videos/chunk-000/observation.images.wrist"
    },
    "frame_video_alignment": "episode_index and frame_index align numeric rows with source episode MP4 frames and meta/episodes.jsonl.",
    "source_author": {
      "name": "Adrien Payan",
      "huggingface_user": "apayan",
      "url": "https://huggingface.co/apayan"
    },
    "video_policy": "Videos are not uploaded to this repository; use the original Hugging Face dataset videos."
  }
}