[
  {
    "preview_episode_index": 81,
    "episode_id": "real/roboInter_droid/codex/0277fa32-a8f1-5e3d-ab1a-63af4e9ffcbf",
    "source_episode_index": 247,
    "source_episode_name": "1009_exterior_image_1_left",
    "source_version": "0208b79c34eca4d214cdb5d07f5ae0f7cc634340",
    "start_frame": 186,
    "end_frame": 369,
    "contact_start_frame": 206,
    "contact_end_frame": 349,
    "fps": 10.0,
    "primitive": "other",
    "source_skill": "pick",
    "instruction": "put the marker in the cup",
    "params": {},
    "annotator": "robointer-contact-v4-original-language",
    "annotator_version": "robointer-contact-v4-original-language",
    "boundary_precision": "Endpoint is a gripper-reopening/RGB estimate reviewed using the displayed -3/0/+3-frame bracket; not physical-contact force ground truth.",
    "wrist_review_note": "Target is recognizable in all three displayed starting wrist frames; reopening/release sequence was visually reviewed.",
    "cameras": {
      "primary": {
        "source_video": "source/episodes/000247/primary.mp4",
        "source_sha256": "1d010a45ab24321fe357b5a8ce64cb4753a075bdf0583b9afcd66020722f56fa",
        "target_visible_at_start": true,
        "checked_source_frames": [
          186,
          187,
          188
        ],
        "clip_video": "videos/chunk-000/observation.images.primary/episode_000081.mp4"
      },
      "wrist": {
        "source_video": "source/episodes/000247/wrist.mp4",
        "source_sha256": "57e208e9c913c3d534c4ddab05ae7d665f04a163dfd5587d2fdf6459bb12cebb",
        "target_visible_at_start": true,
        "checked_source_frames": [
          186,
          187,
          188,
          346,
          349,
          352
        ],
        "clip_video": "videos/chunk-000/observation.images.wrist/episode_000081.mp4"
      }
    },
    "instruction_source": "annotation.instruction_add",
    "source_language": {
      "annotation.instruction_add": "put the marker in the cup",
      "annotation.substask": "pick up the marker on the table",
      "other_information.language_instruction_2": "Put the marker in the cup",
      "other_information.language_instruction_3": "Put the marker in the cup"
    },
    "task_view_episode_index": 0,
    "previous_preview_episode_index": 81,
    "concrete_task_id": "droid_put_marker_cup",
    "configuration": "Franka / DROID",
    "source_dataset_url": "https://huggingface.co/datasets/Travor278/a2r-robointer-contact-preview/tree/3156790d9f81fadb052489faf2c5834889971814/",
    "task_viewer_warning": []
  },
  {
    "preview_episode_index": 3,
    "episode_id": "real/roboInter_droid/codex/6c5aeab5-4a2a-5095-b6fd-cbf945b09d5a",
    "source_episode_index": 746,
    "source_episode_name": "103_exterior_image_2_left",
    "source_version": "0208b79c34eca4d214cdb5d07f5ae0f7cc634340",
    "start_frame": 52,
    "end_frame": 137,
    "contact_start_frame": 72,
    "contact_end_frame": 117,
    "fps": 10.0,
    "primitive": "other",
    "source_skill": "pick",
    "instruction": "put the marker in the cup",
    "params": {},
    "annotator": "robointer-contact-v4-original-language",
    "annotator_version": "robointer-contact-v4-original-language",
    "boundary_precision": "RGB estimate at 10 Hz; end uncertainty approximately 2 frames; onset retains upstream annotation",
    "wrist_review_note": "The white marker on the table is clearly visible in the wrist view at frames 52,53,54.",
    "cameras": {
      "primary": {
        "source_video": "source/episodes/000746/primary.mp4",
        "source_sha256": "f27481ce6b26cba571a6489a49fcec73ba32ad6f19f3aa7ee49aa6a6ee99deb4",
        "target_visible_at_start": true,
        "checked_source_frames": [
          52,
          53,
          54,
          71,
          72,
          75
        ],
        "clip_video": "videos/chunk-000/observation.images.primary/episode_000003.mp4"
      },
      "wrist": {
        "source_video": "source/episodes/000746/wrist.mp4",
        "source_sha256": "3c2ccfb1971a599d24dbcbb8f48898567f347390c10f78aca02b82b2d8ac48c3",
        "target_visible_at_start": true,
        "checked_source_frames": [
          52,
          53,
          54,
          71,
          72,
          75
        ],
        "clip_video": "videos/chunk-000/observation.images.wrist/episode_000003.mp4"
      }
    },
    "instruction_source": "annotation.instruction_add",
    "source_language": {
      "annotation.instruction_add": "put the marker in the cup",
      "annotation.substask": "pick up the marker from the table",
      "other_information.language_instruction_2": "Put the marker in the cup",
      "other_information.language_instruction_3": "Put the marker inside the red mug"
    },
    "task_view_episode_index": 1,
    "previous_preview_episode_index": 3,
    "concrete_task_id": "droid_put_marker_cup",
    "configuration": "Franka / DROID",
    "source_dataset_url": "https://huggingface.co/datasets/Travor278/a2r-robointer-contact-preview/tree/3156790d9f81fadb052489faf2c5834889971814/",
    "task_viewer_warning": [
      "当前标段只覆盖已标注的抓取阶段；原任务后续动作未在标注中确认。"
    ]
  }
]