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PASS
<conversion environment python>
<local path omitted from published artifact>
<local path omitted from published artifact>
Bigenlight/bowl_stack_lighting_lerobot_v3
Stack the orange bowl on the purple bowl.
{ "limit": 0 }
71
71
[ "take_01_20260918_211811", "take_02_20260918_211834", "take_03_20260918_211859_other_side", "take_04_20260918_211920", "take_05_20260918_212028_recover", "take_06_20260918_212121", "take_07_20260918_212143", "take_08_20260918_212210_other_side", "take_09_20260918_212240", "take_10_20260918_212304"...
[ 287, 269, 255, 227, 401, 275, 303, 269, 278, 289, 240, 252, 196, 241, 255, 296, 253, 265, 227, 244, 279, 242, 229, 208, 251, 227, 228, 203, 201, 185, 229, 205, 232, 243, 209, 182, 189, 257, 274, 311, 234, 480, 442, 396, 417, 2...
17,945
{ "codebase_version": "v3.0", "fps": 30, "total_episodes": 71, "total_frames": 17945, "total_tasks": 1, "robot_type": "ur7e_gello", "splits": { "train": "0:71" } }
0
0
{ "schema": "gello_recorder/lerobot_source_takes/2", "n_episodes": 71, "rows": [ { "episode_index": 0, "take": "take_01_20260918_211811", "n_frames_declared": 287, "n_frames_raw": 287, "n_frames_parquet": 287, "t0_off_s": 1789733891.7594113, "cam1_stamp_minus_ur_stamp...
{ "observation.images.cam1": { "n": 426, "corr_min": 0.9987471054795414, "corr_mean": 0.9994289882800809, "mad_max": 1.4954401765046297, "mad_mean": 1.3500250873489394, "n_bad": 0 }, "observation.images.cam2": { "n": 426, "corr_min": 0.9996586171645377, "corr_mean": 0.999839817...
{ "n_files_scanned": 3, "offenders": [] }
{ "median_abs_state_action_rad": 0.003669261932373047, "mean_abs_state_action_rad": 0.0070186716562262086, "cam2_reuse_count_median_rederived": 0, "cam2_reuse_count_median_declared": 0, "per_episode_reuse_count_rederived": [ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, ...
{ "per_episode": [ { "episode_index": 0, "take": "take_01_20260918_211811", "median_offset_ms": -0.029087066650390625, "far_frac_gt_15ms": 0.003484320557491289 }, { "episode_index": 1, "take": "take_02_20260918_211834", "median_offset_ms": -0.03266334533691406, ...
{ "tol": 0, "video_min_corr": 0.97, "video_max_mad": 12, "state_action_absurd_low": 0.0001, "state_action_absurd_high": 0.3, "align_far_tol_s": 0.015, "align_median_absurd_ms": 20, "align_far_frac_absurd": 0.1 }
{ "pass": 43, "fail": 0, "warn": 0, "skip": 0, "total": 43 }
[ { "status": "PASS", "check": "vectorised nearest_idx == brute-force argmin reference", "detail": "72 queries against ur/cam2 timelines of take_01_20260918_211811" }, { "status": "PASS", "check": "ffill_bfill reference case", "detail": "[1.0, 1.0, 1.0, 1.0, 1.0, 2.0, 2.0]" }, { "s...

Bowl stack with additional lighting — LeRobot v3.0

Task: Stack the orange bowl on the purple bowl.

UR7e + GELLO teleoperation demonstrations: grasp the orange bowl with the gripper and place it on top of the purple bowl.

Task scene: UR7e, orange and purple bowls, cameras, and the added softbox lighting

Task scene captured on 2026-09-18. The two visible softbox lights are the additional-lighting setup used during collection.

Collection condition

Additional task lighting was installed and used throughout this 2026-09-18 collection. This is a lighting-conditioned collection and is distinct from earlier bowl_stack data collected without this added setup.

Contents

  • 71 episodes / 17,945 frames at 30 FPS
  • Two RGB camera streams: observation.images.cam1, observation.images.cam2 (1280×720)
  • Robot state and action: 6 UR7e joints + gripper position/command
  • No depth stream; no frames were dropped and no timestamp lag correction was applied.

Folder-label tags

Original take directory names are retained in meta/source_takes.json, alongside per-episode folder_labels and recovery_label fields.

  • other_side: object arrangement/starting-side variation, exactly as labeled during collection.
  • recover: a retry collected after a failed task attempt. Keep these cases separate for recovery-case evaluation.
  • recover_other_side: both labels apply; the original folder name is kept verbatim.

The exact lists are in folder_label_summary in meta/source_takes.json; select recovery data using recovery_label == "recover" or the preserved take name.

Raw source

The unmodified recorder files are in Bigenlight/bowl_stack_lighting_raw: raw/<original-take-name>/{vectors.h5,cam1.mp4,cam2.mp4}.

Conversion provenance

Converted with the fixed gello_recorder recipe: camera and joint ROS header timestamps (stamp_s) are aligned directly; command and gripper callback timestamps are used as recorded. The residual robot state vs. command lag is real servo tracking and intentionally remains in the data.

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