franka_ft_oxt / metadata /array_schema.json
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{
"schema": "franka-ft-oxt-final-array-schema-v1",
"scope": "Actual final task-wide data arrays read from each Zarr v2 .zarray file; shapes include all episodes in that task.",
"source": "zarr/<task>.zarr/data/<key>/.zarray",
"native_field_naming": "native__ + original HDF5 path with each '/' replaced by '__'; values retain selected source rows and native numeric dtypes.",
"episode_boundaries": "zarr/<task>.zarr/meta/episode_ends",
"per_episode_mapping": "metadata/episodes/<task>/<episode>.json, mapping member",
"tasks": {
"wipe_board": {
"zarr_path": "zarr/wipe_board.zarr",
"row_count": 14941,
"array_count": 130,
"arrays": {
"action_eef_pose": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Recorded requested pre-IK native EEF target, xyz metres + rotation-vector radians."
},
"action_eef_pose_with_ft_offset": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Recorded action EEF point shifted along local +Z by 63mm; not a full TCP transform."
},
"action_joint_position": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Actual recorded seven-joint targets, radians; not derived from future state."
},
"camera_frame_index__16478870": {
"shape": [
14941
],
"dtype": "<i8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Exact original decoded SVO frame index for the selected control row.",
"camera_serial": "16478870"
},
"camera_frame_index__36087771": {
"shape": [
14941
],
"dtype": "<i8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Exact original decoded SVO frame index for the selected control row.",
"camera_serial": "36087771"
},
"camera_main_intrinsics": {
"shape": [
14941,
3,
3
],
"dtype": "<f8",
"chunks": [
256,
3,
3
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "3x3 intrinsic K from SDK rectified LEFT calibration at the exported 640x360 resolution; repeated per selected row, distinct from original HDF5 K.",
"camera_serial": "36087771"
},
"camera_main_rgb": {
"shape": [
14941,
360,
640,
3
],
"dtype": "|u1",
"chunks": [
1,
360,
640,
3
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 0,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "SDK LEFT rectified RGB uint8 images at 640x360; PNG then Blosc preserves decoded resized pixels.",
"camera_serial": "36087771"
},
"camera_timestamp_unix_ns__16478870": {
"shape": [
14941
],
"dtype": "<i8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Original SDK IMAGE Unix nanoseconds; floor-to-ms exactly matches recorded HDF5 frame_received.",
"camera_serial": "16478870"
},
"camera_timestamp_unix_ns__36087771": {
"shape": [
14941
],
"dtype": "<i8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Original SDK IMAGE Unix nanoseconds; floor-to-ms exactly matches recorded HDF5 frame_received.",
"camera_serial": "36087771"
},
"command_dispatched": {
"shape": [
14941
],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"description": "Whether env.step was called; false means hypothetical hold, true does not prove acceptance."
},
"ft_wrench": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Unmodified native sensor-frame Fx,Fy,Fz,Mx,My,Mz; assumed N,N,N,Nm,Nm,Nm."
},
"native__action__cartesian_position": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/cartesian_position",
"description": "Selected rows copied from trajectory.h5/action/cartesian_position; no value transformation."
},
"native__action__cartesian_position_with_ft_offset": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/cartesian_position_with_ft_offset",
"description": "Selected rows copied from trajectory.h5/action/cartesian_position_with_ft_offset; no value transformation."
},
"native__action__cartesian_velocity": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/cartesian_velocity",
"description": "Selected rows copied from trajectory.h5/action/cartesian_velocity; no value transformation."
},
"native__action__command_dispatched": {
"shape": [
14941
],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/command_dispatched",
"description": "Selected rows copied from trajectory.h5/action/command_dispatched; no value transformation."
},
"native__action__controller_metadata_json": {
"shape": [
14941
],
"dtype": "<U200",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": "",
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/controller_metadata_json",
"description": "Selected rows copied from trajectory.h5/action/controller_metadata_json; no value transformation."
},
"native__action__controller_target_valid": {
"shape": [
14941
],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/controller_target_valid",
"description": "Selected rows copied from trajectory.h5/action/controller_target_valid; no value transformation."
},
"native__action__gripper_position": {
"shape": [
14941
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/gripper_position",
"description": "Selected rows copied from trajectory.h5/action/gripper_position; no value transformation."
},
"native__action__gripper_velocity": {
"shape": [
14941
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/gripper_velocity",
"description": "Selected rows copied from trajectory.h5/action/gripper_velocity; no value transformation."
},
"native__action__input_action": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/input_action",
"description": "Selected rows copied from trajectory.h5/action/input_action; no value transformation."
},
"native__action__joint_position": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/joint_position",
"description": "Selected rows copied from trajectory.h5/action/joint_position; no value transformation."
},
"native__action__joint_velocity": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/joint_velocity",
"description": "Selected rows copied from trajectory.h5/action/joint_velocity; no value transformation."
},
"native__action__robot_state__cartesian_position": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/cartesian_position",
"description": "Selected rows copied from trajectory.h5/action/robot_state/cartesian_position; no value transformation."
},
"native__action__robot_state__gripper_position": {
"shape": [
14941
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/gripper_position",
"description": "Selected rows copied from trajectory.h5/action/robot_state/gripper_position; no value transformation."
},
"native__action__robot_state__joint_positions": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/joint_positions",
"description": "Selected rows copied from trajectory.h5/action/robot_state/joint_positions; no value transformation."
},
"native__action__robot_state__joint_torques_computed": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/joint_torques_computed",
"description": "Selected rows copied from trajectory.h5/action/robot_state/joint_torques_computed; no value transformation."
},
"native__action__robot_state__joint_velocities": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/joint_velocities",
"description": "Selected rows copied from trajectory.h5/action/robot_state/joint_velocities; no value transformation."
},
"native__action__robot_state__motor_torques_measured": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/motor_torques_measured",
"description": "Selected rows copied from trajectory.h5/action/robot_state/motor_torques_measured; no value transformation."
},
"native__action__robot_state__prev_command_successful": {
"shape": [
14941
],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_command_successful",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_command_successful; no value transformation."
},
"native__action__robot_state__prev_controller_latency_ms": {
"shape": [
14941
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_controller_latency_ms",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_controller_latency_ms; no value transformation."
},
"native__action__robot_state__prev_joint_torques_computed": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_joint_torques_computed",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_joint_torques_computed; no value transformation."
},
"native__action__robot_state__prev_joint_torques_computed_safened": {
"shape": [
14941,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_joint_torques_computed_safened",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_joint_torques_computed_safened; no value transformation."
},
"native__action__target_cartesian_position": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/target_cartesian_position",
"description": "Selected rows copied from trajectory.h5/action/target_cartesian_position; no value transformation."
},
"native__action__target_gripper_position": {
"shape": [
14941
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/target_gripper_position",
"description": "Selected rows copied from trajectory.h5/action/target_gripper_position; no value transformation."
},
"native__observation__camera_distortion_coefficients__16478870_left": {
"shape": [
14941,
12
],
"dtype": "<f8",
"chunks": [
256,
12
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "observation/camera_distortion_coefficients/16478870_left",
"description": "Selected rows copied from trajectory.h5/observation/camera_distortion_coefficients/16478870_left; no value transformation."
},
"native__observation__camera_distortion_coefficients__16478870_right": {
"shape": [
14941,
12
],
"dtype": "<f8",
"chunks": [
256,
12
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "observation/camera_distortion_coefficients/16478870_right",
"description": "Selected rows copied from trajectory.h5/observation/camera_distortion_coefficients/16478870_right; no value transformation."
},
"native__observation__camera_distortion_coefficients__36087771_left": {
"shape": [
14941,
12
],
"dtype": "<f8",
"chunks": [
256,
12
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "observation/camera_distortion_coefficients/36087771_left",
"description": "Selected rows copied from trajectory.h5/observation/camera_distortion_coefficients/36087771_left; no value transformation."
},
"native__observation__camera_distortion_coefficients__36087771_right": {
"shape": [
14941,
12
],
"dtype": "<f8",
"chunks": [
256,
12
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "observation/camera_distortion_coefficients/36087771_right",
"description": "Selected rows copied from trajectory.h5/observation/camera_distortion_coefficients/36087771_right; no value transformation."
},
"native__observation__camera_extrinsics__16478870_left": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "observation/camera_extrinsics/16478870_left",
"description": "Selected rows copied from trajectory.h5/observation/camera_extrinsics/16478870_left; no value transformation."
},
"native__observation__camera_extrinsics__16478870_left_gripper_offset": {
"shape": [
14941,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
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"description": "Only native sensor-frame Mx,My,Mz, shape (T,1,3); no inferred transform or compensation."
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"dtype": "<U10",
"chunks": [
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"compressor": {
"id": "blosc",
"cname": "zstd",
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"shuffle": 1,
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},
"filters": null,
"fill_value": "",
"order": "C",
"dimension_separator": ".",
"description": "Constant sensor identifier SRIM3813A1."
},
"right_tactile_type_wrist_torque": {
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"dtype": "<U5",
"chunks": [
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},
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"fill_value": "",
"order": "C",
"dimension_separator": ".",
"description": "Constant tactile representation type state."
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"right_wrist_camera_intrinsics": {
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3,
3
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"dtype": "<f8",
"chunks": [
256,
3,
3
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"shuffle": 1,
"blocksize": 0
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"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "3x3 intrinsic K from SDK rectified LEFT calibration at the exported 640x360 resolution; repeated per selected row, distinct from original HDF5 K.",
"camera_serial": "16478870"
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"right_wrist_camera_rgb": {
"shape": [
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360,
640,
3
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"dtype": "|u1",
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360,
640,
3
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"compressor": {
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"clevel": 3,
"shuffle": 0,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "SDK LEFT rectified RGB uint8 images at 640x360; PNG then Blosc preserves decoded resized pixels.",
"camera_serial": "16478870"
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"right_wrist_pose": {
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6
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"dtype": "<f8",
"chunks": [
256,
6
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Native robot-model EEF/flange xyz metres + rotation-vector radians; canonical wrist alignment unverified."
},
"source_control_row": {
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],
"dtype": "<i8",
"chunks": [
256
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
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"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Original trajectory row for each retained standard row."
},
"state_eef_pose_with_ft_offset": {
"shape": [
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6
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"dtype": "<f8",
"chunks": [
256,
6
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Recorded state EEF point shifted along local +Z by 63mm; not a full TCP transform."
},
"sub_task_instruction": {
"shape": [
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],
"dtype": "<U15",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": "",
"order": "C",
"dimension_separator": ".",
"description": "Concrete curated task instruction for the episode."
},
"supplementary_tactile": {
"shape": [
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6
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"dtype": "<f8",
"chunks": [
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6
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "The same full six-axis wrench as ft_wrench; see supplementary_tactile_note.json."
},
"timestamp_unix_ns": {
"shape": [
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],
"dtype": "<i8",
"chunks": [
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Exact selected host control step_start_unix_ns, int64."
},
"timestamps": {
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"dtype": "<f8",
"chunks": [
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],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Seconds since the original episode's first host control step; subtraction precedes float conversion."
}
}
},
"push_button": {
"zarr_path": "zarr/push_button.zarr",
"row_count": 4817,
"array_count": 130,
"arrays": {
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6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Recorded requested pre-IK native EEF target, xyz metres + rotation-vector radians."
},
"action_eef_pose_with_ft_offset": {
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6
],
"dtype": "<f8",
"chunks": [
256,
6
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Recorded action EEF point shifted along local +Z by 63mm; not a full TCP transform."
},
"action_joint_position": {
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7
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"dtype": "<f8",
"chunks": [
256,
7
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Actual recorded seven-joint targets, radians; not derived from future state."
},
"camera_frame_index__16478870": {
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"dtype": "<i8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Exact original decoded SVO frame index for the selected control row.",
"camera_serial": "16478870"
},
"camera_frame_index__36087771": {
"shape": [
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],
"dtype": "<i8",
"chunks": [
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],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Exact original decoded SVO frame index for the selected control row.",
"camera_serial": "36087771"
},
"camera_main_intrinsics": {
"shape": [
4817,
3,
3
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"dtype": "<f8",
"chunks": [
256,
3,
3
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "3x3 intrinsic K from SDK rectified LEFT calibration at the exported 640x360 resolution; repeated per selected row, distinct from original HDF5 K.",
"camera_serial": "36087771"
},
"camera_main_rgb": {
"shape": [
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360,
640,
3
],
"dtype": "|u1",
"chunks": [
1,
360,
640,
3
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 0,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "SDK LEFT rectified RGB uint8 images at 640x360; PNG then Blosc preserves decoded resized pixels.",
"camera_serial": "36087771"
},
"camera_timestamp_unix_ns__16478870": {
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"dtype": "<i8",
"chunks": [
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Original SDK IMAGE Unix nanoseconds; floor-to-ms exactly matches recorded HDF5 frame_received.",
"camera_serial": "16478870"
},
"camera_timestamp_unix_ns__36087771": {
"shape": [
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"dtype": "<i8",
"chunks": [
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],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0,
"order": "C",
"dimension_separator": ".",
"description": "Original SDK IMAGE Unix nanoseconds; floor-to-ms exactly matches recorded HDF5 frame_received.",
"camera_serial": "36087771"
},
"command_dispatched": {
"shape": [
4817
],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"description": "Whether env.step was called; false means hypothetical hold, true does not prove acceptance."
},
"ft_wrench": {
"shape": [
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6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"description": "Unmodified native sensor-frame Fx,Fy,Fz,Mx,My,Mz; assumed N,N,N,Nm,Nm,Nm."
},
"native__action__cartesian_position": {
"shape": [
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6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/cartesian_position",
"description": "Selected rows copied from trajectory.h5/action/cartesian_position; no value transformation."
},
"native__action__cartesian_position_with_ft_offset": {
"shape": [
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6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/cartesian_position_with_ft_offset",
"description": "Selected rows copied from trajectory.h5/action/cartesian_position_with_ft_offset; no value transformation."
},
"native__action__cartesian_velocity": {
"shape": [
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6
],
"dtype": "<f8",
"chunks": [
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6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/cartesian_velocity",
"description": "Selected rows copied from trajectory.h5/action/cartesian_velocity; no value transformation."
},
"native__action__command_dispatched": {
"shape": [
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],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/command_dispatched",
"description": "Selected rows copied from trajectory.h5/action/command_dispatched; no value transformation."
},
"native__action__controller_metadata_json": {
"shape": [
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],
"dtype": "<U199",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": "",
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/controller_metadata_json",
"description": "Selected rows copied from trajectory.h5/action/controller_metadata_json; no value transformation."
},
"native__action__controller_target_valid": {
"shape": [
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],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/controller_target_valid",
"description": "Selected rows copied from trajectory.h5/action/controller_target_valid; no value transformation."
},
"native__action__gripper_position": {
"shape": [
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],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/gripper_position",
"description": "Selected rows copied from trajectory.h5/action/gripper_position; no value transformation."
},
"native__action__gripper_velocity": {
"shape": [
4817
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/gripper_velocity",
"description": "Selected rows copied from trajectory.h5/action/gripper_velocity; no value transformation."
},
"native__action__input_action": {
"shape": [
4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/input_action",
"description": "Selected rows copied from trajectory.h5/action/input_action; no value transformation."
},
"native__action__joint_position": {
"shape": [
4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/joint_position",
"description": "Selected rows copied from trajectory.h5/action/joint_position; no value transformation."
},
"native__action__joint_velocity": {
"shape": [
4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/joint_velocity",
"description": "Selected rows copied from trajectory.h5/action/joint_velocity; no value transformation."
},
"native__action__robot_state__cartesian_position": {
"shape": [
4817,
6
],
"dtype": "<f8",
"chunks": [
256,
6
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/cartesian_position",
"description": "Selected rows copied from trajectory.h5/action/robot_state/cartesian_position; no value transformation."
},
"native__action__robot_state__gripper_position": {
"shape": [
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],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/gripper_position",
"description": "Selected rows copied from trajectory.h5/action/robot_state/gripper_position; no value transformation."
},
"native__action__robot_state__joint_positions": {
"shape": [
4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/joint_positions",
"description": "Selected rows copied from trajectory.h5/action/robot_state/joint_positions; no value transformation."
},
"native__action__robot_state__joint_torques_computed": {
"shape": [
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7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/joint_torques_computed",
"description": "Selected rows copied from trajectory.h5/action/robot_state/joint_torques_computed; no value transformation."
},
"native__action__robot_state__joint_velocities": {
"shape": [
4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/joint_velocities",
"description": "Selected rows copied from trajectory.h5/action/robot_state/joint_velocities; no value transformation."
},
"native__action__robot_state__motor_torques_measured": {
"shape": [
4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/motor_torques_measured",
"description": "Selected rows copied from trajectory.h5/action/robot_state/motor_torques_measured; no value transformation."
},
"native__action__robot_state__prev_command_successful": {
"shape": [
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],
"dtype": "|b1",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": false,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_command_successful",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_command_successful; no value transformation."
},
"native__action__robot_state__prev_controller_latency_ms": {
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4817
],
"dtype": "<f8",
"chunks": [
256
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_controller_latency_ms",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_controller_latency_ms; no value transformation."
},
"native__action__robot_state__prev_joint_torques_computed": {
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4817,
7
],
"dtype": "<f8",
"chunks": [
256,
7
],
"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_joint_torques_computed",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_joint_torques_computed; no value transformation."
},
"native__action__robot_state__prev_joint_torques_computed_safened": {
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7
],
"dtype": "<f8",
"chunks": [
256,
7
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"compressor": {
"id": "blosc",
"cname": "zstd",
"clevel": 3,
"shuffle": 1,
"blocksize": 0
},
"filters": null,
"fill_value": 0.0,
"order": "C",
"dimension_separator": ".",
"source_h5_dataset": "action/robot_state/prev_joint_torques_computed_safened",
"description": "Selected rows copied from trajectory.h5/action/robot_state/prev_joint_torques_computed_safened; no value transformation."
},
"native__action__target_cartesian_position": {
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4817,
6
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"description": "Constant sensor identifier SRIM3813A1."
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"description": "Constant tactile representation type state."
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3
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3
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"description": "3x3 intrinsic K from SDK rectified LEFT calibration at the exported 640x360 resolution; repeated per selected row, distinct from original HDF5 K.",
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"description": "SDK LEFT rectified RGB uint8 images at 640x360; PNG then Blosc preserves decoded resized pixels.",
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"description": "Concrete curated task instruction for the episode."
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}
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"description": "Exact original decoded SVO frame index for the selected control row.",
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"dimension_separator": ".",
"description": "Exact original decoded SVO frame index for the selected control row.",
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"dimension_separator": ".",
"description": "3x3 intrinsic K from SDK rectified LEFT calibration at the exported 640x360 resolution; repeated per selected row, distinct from original HDF5 K.",
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640,
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"description": "SDK LEFT rectified RGB uint8 images at 640x360; PNG then Blosc preserves decoded resized pixels.",
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"description": "Original SDK IMAGE Unix nanoseconds; floor-to-ms exactly matches recorded HDF5 frame_received.",
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"description": "Original SDK IMAGE Unix nanoseconds; floor-to-ms exactly matches recorded HDF5 frame_received.",
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"description": "Whether env.step was called; false means hypothetical hold, true does not prove acceptance."
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"description": "Unmodified native sensor-frame Fx,Fy,Fz,Mx,My,Mz; assumed N,N,N,Nm,Nm,Nm."
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"dimension_separator": ".",
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3
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}
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"description": "3x3 intrinsic K from SDK rectified LEFT calibration at the exported 640x360 resolution; repeated per selected row, distinct from original HDF5 K.",
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