{"episode_id": "20260708_155328", "observation_kind": "human_egocentric", "not_robot_action": true, "method_sentence": "human_keyframe_review", "method_measure": "device_csv_window", "hand_hz": 19.0, "head_hz": 60.0, "gyro_hz": 1015.3, "rgb_hz": 60.0, "player_zero_is_source_s": 22.0, "thumb_index_is_contact": false, "thumb_index_note": "Distance between OpenXR thumb tip and index tip. Not contact force and not a gripper width. Median omitted when fewer than 5 samples.", "controller_poses": "one all-zero row, both inactive, not used", "ctrl_gray": "in the observation via rgb_index.ctrl_index, not a controller pose", "boxes": null, "mask": null, "object_pose_6dof": null, "contact_force": null, "per_joint_confidence": null, "depth": null, "robot_eef_action": null, "train_on": "rgb.mp4 at 60 Hz, not the 10 Hz preview", "scenario_id": "controller_desk", "step": 1, "t0_s": 22.0, "t1_s": 23.17, "preview_t_s": 0.0, "rgb_index_0": 1320, "rgb_index_1": 1390, "zh": "双手在桌面操作区，握持深色手柄。这一小段左手追踪还没稳定。", "en": "Both hands are in the desk workspace, gripping dark controllers. Left-hand tracking is not yet stable.", "head_path_m": 0.1895, "head_net_m": 0.152, "gyro_rms_rad_s": 0.148, "hand_n": 34, "left_active_frac": 0.029, "right_active_frac": 0.971, "both_active_frac": 0.029, "left_wrist_path_m": null, "right_wrist_path_m": 0.5242, "left_pinch_n": 1, "right_pinch_n": 33, "left_thumb_index_m_median": null, "right_thumb_index_m_median": 0.045}
{"episode_id": "20260708_155328", "observation_kind": "human_egocentric", "not_robot_action": true, "method_sentence": "human_keyframe_review", "method_measure": "device_csv_window", "hand_hz": 19.0, "head_hz": 60.0, "gyro_hz": 1015.3, "rgb_hz": 60.0, "player_zero_is_source_s": 22.0, "thumb_index_is_contact": false, "thumb_index_note": "Distance between OpenXR thumb tip and index tip. Not contact force and not a gripper width. Median omitted when fewer than 5 samples.", "controller_poses": "one all-zero row, both inactive, not used", "ctrl_gray": "in the observation via rgb_index.ctrl_index, not a controller pose", "boxes": null, "mask": null, "object_pose_6dof": null, "contact_force": null, "per_joint_confidence": null, "depth": null, "robot_eef_action": null, "train_on": "rgb.mp4 at 60 Hz, not the 10 Hz preview", "scenario_id": "controller_desk", "step": 2, "t0_s": 23.17, "t1_s": 25.5, "preview_t_s": 1.17, "rgb_index_0": 1390, "rgb_index_1": 1530, "zh": "左右手同时有效，仍握持深色手柄，看向桌面终端。", "en": "Both hands are active, still gripping the dark controllers and facing the desk terminal.", "head_path_m": 0.2845, "head_net_m": 0.1482, "gyro_rms_rad_s": 0.674, "hand_n": 139, "left_active_frac": 1.0, "right_active_frac": 0.921, "both_active_frac": 0.921, "left_wrist_path_m": 1.4559, "right_wrist_path_m": 1.5179, "left_pinch_n": 139, "right_pinch_n": 128, "left_thumb_index_m_median": 0.0728, "right_thumb_index_m_median": 0.0555}
{"episode_id": "20260708_155328", "observation_kind": "human_egocentric", "not_robot_action": true, "method_sentence": "human_keyframe_review", "method_measure": "device_csv_window", "hand_hz": 19.0, "head_hz": 60.0, "gyro_hz": 1015.3, "rgb_hz": 60.0, "player_zero_is_source_s": 22.0, "thumb_index_is_contact": false, "thumb_index_note": "Distance between OpenXR thumb tip and index tip. Not contact force and not a gripper width. Median omitted when fewer than 5 samples.", "controller_poses": "one all-zero row, both inactive, not used", "ctrl_gray": "in the observation via rgb_index.ctrl_index, not a controller pose", "boxes": null, "mask": null, "object_pose_6dof": null, "contact_force": null, "per_joint_confidence": null, "depth": null, "robot_eef_action": null, "train_on": "rgb.mp4 at 60 Hz, not the 10 Hz preview", "scenario_id": "paper_cloth", "step": 1, "t0_s": 25.5, "t1_s": 27.52, "preview_t_s": 3.5, "rgb_index_0": 1530, "rgb_index_1": 1651, "zh": "转到纸卷和布。这一小段右手追踪更稳，左手时有时无。", "en": "The action moves to a paper roll and cloth. Right-hand tracking is steadier; the left hand drops in and out.", "head_path_m": 0.5333, "head_net_m": 0.2727, "gyro_rms_rad_s": 0.405, "hand_n": 92, "left_active_frac": 0.467, "right_active_frac": 0.978, "both_active_frac": 0.467, "left_wrist_path_m": 0.5871, "right_wrist_path_m": 1.2765, "left_pinch_n": 43, "right_pinch_n": 90, "left_thumb_index_m_median": 0.0672, "right_thumb_index_m_median": 0.0394}
{"episode_id": "20260708_155328", "observation_kind": "human_egocentric", "not_robot_action": true, "method_sentence": "human_keyframe_review", "method_measure": "device_csv_window", "hand_hz": 19.0, "head_hz": 60.0, "gyro_hz": 1015.3, "rgb_hz": 60.0, "player_zero_is_source_s": 22.0, "thumb_index_is_contact": false, "thumb_index_note": "Distance between OpenXR thumb tip and index tip. Not contact force and not a gripper width. Median omitted when fewer than 5 samples.", "controller_poses": "one all-zero row, both inactive, not used", "ctrl_gray": "in the observation via rgb_index.ctrl_index, not a controller pose", "boxes": null, "mask": null, "object_pose_6dof": null, "contact_force": null, "per_joint_confidence": null, "depth": null, "robot_eef_action": null, "train_on": "rgb.mp4 at 60 Hz, not the 10 Hz preview", "scenario_id": "paper_cloth", "step": 2, "t0_s": 27.52, "t1_s": 29.5, "preview_t_s": 5.52, "rgb_index_0": 1651, "rgb_index_1": 1770, "zh": "左右手同时有效，继续操作纸卷和布。", "en": "Both hands are active and continue handling the paper roll and cloth.", "head_path_m": 0.6602, "head_net_m": 0.0349, "gyro_rms_rad_s": 0.575, "hand_n": 118, "left_active_frac": 1.0, "right_active_frac": 0.856, "both_active_frac": 0.856, "left_wrist_path_m": 1.6978, "right_wrist_path_m": 1.3187, "left_pinch_n": 118, "right_pinch_n": 101, "left_thumb_index_m_median": 0.0739, "right_thumb_index_m_median": 0.0612}
{"episode_id": "20260708_155328", "observation_kind": "human_egocentric", "not_robot_action": true, "method_sentence": "human_keyframe_review", "method_measure": "device_csv_window", "hand_hz": 19.0, "head_hz": 60.0, "gyro_hz": 1015.3, "rgb_hz": 60.0, "player_zero_is_source_s": 22.0, "thumb_index_is_contact": false, "thumb_index_note": "Distance between OpenXR thumb tip and index tip. Not contact force and not a gripper width. Median omitted when fewer than 5 samples.", "controller_poses": "one all-zero row, both inactive, not used", "ctrl_gray": "in the observation via rgb_index.ctrl_index, not a controller pose", "boxes": null, "mask": null, "object_pose_6dof": null, "contact_force": null, "per_joint_confidence": null, "depth": null, "robot_eef_action": null, "train_on": "rgb.mp4 at 60 Hz, not the 10 Hz preview", "scenario_id": "part_phone", "step": 1, "t0_s": 29.5, "t1_s": 31.2, "preview_t_s": 7.5, "rgb_index_0": 1770, "rgb_index_1": 1872, "zh": "双手捏持小零件。", "en": "Both hands hold a small part.", "head_path_m": 0.238, "head_net_m": 0.1363, "gyro_rms_rad_s": 0.611, "hand_n": 102, "left_active_frac": 0.961, "right_active_frac": 0.892, "both_active_frac": 0.853, "left_wrist_path_m": 0.5893, "right_wrist_path_m": 0.8499, "left_pinch_n": 98, "right_pinch_n": 91, "left_thumb_index_m_median": 0.0589, "right_thumb_index_m_median": 0.0237}
{"episode_id": "20260708_155328", "observation_kind": "human_egocentric", "not_robot_action": true, "method_sentence": "human_keyframe_review", "method_measure": "device_csv_window", "hand_hz": 19.0, "head_hz": 60.0, "gyro_hz": 1015.3, "rgb_hz": 60.0, "player_zero_is_source_s": 22.0, "thumb_index_is_contact": false, "thumb_index_note": "Distance between OpenXR thumb tip and index tip. Not contact force and not a gripper width. Median omitted when fewer than 5 samples.", "controller_poses": "one all-zero row, both inactive, not used", "ctrl_gray": "in the observation via rgb_index.ctrl_index, not a controller pose", "boxes": null, "mask": null, "object_pose_6dof": null, "contact_force": null, "per_joint_confidence": null, "depth": null, "robot_eef_action": null, "train_on": "rgb.mp4 at 60 Hz, not the 10 Hz preview", "scenario_id": "part_phone", "step": 2, "t0_s": 31.2, "t1_s": 32.05, "preview_t_s": 9.2, "rgb_index_0": 1872, "rgb_index_1": 1923, "zh": "左手持手机，看向屏幕。", "en": "The left hand holds a phone and looks at the screen.", "head_path_m": 0.0505, "head_net_m": 0.0374, "gyro_rms_rad_s": 0.231, "hand_n": 44, "left_active_frac": 1.0, "right_active_frac": 0.0, "both_active_frac": 0.0, "left_wrist_path_m": 0.0346, "right_wrist_path_m": null, "left_pinch_n": 44, "right_pinch_n": 0, "left_thumb_index_m_median": 0.048, "right_thumb_index_m_median": null}