The dataset viewer is not available for this split.
Error code: StreamingRowsError
Exception: ValueError
Message: Expected object or value
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 290, in _generate_tables
pa_table = paj.read_json(
io.BytesIO(batch), read_options=paj.ReadOptions(block_size=block_size)
)
File "pyarrow/_json.pyx", line 364, in pyarrow._json.read_json
File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
raise convert_status(status)
pyarrow.lib.ArrowInvalid: JSON parse error: Column() changed from object to string in row 0
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2951, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2461, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2486, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 547, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 430, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 304, in _generate_tables
batch = json_encode_fields_in_json_lines(original_batch, json_field_paths)
File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 111, in json_encode_fields_in_json_lines
examples = [ujson_loads(line) for line in original_batch.splitlines()]
~~~~~~~~~~~^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 20, in ujson_loads
return pd.io.json.ujson_loads(*args, **kwargs)
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
ValueError: Expected object or valueNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
Booster K1 motion references
The current release is GMR smooth v2: 1799 admitted original recordings, 3183 ten-second windows, 8.841667 hours, and 379 independent take families. Exact BONES/LAFAN and other source distributions are in the included library/assembly.json.
All 1,824 original recordings are regenerated with the pinned BONES upstream GMR/K1 bridge. An independent source-aware full-recording audit finds zero moving-source whole-body or leg freezes; the entire release is held if any such stall remains. Contact/chord and joint-limit locks are repaired in generation. No freeze-based clip exclusion is introduced. Sampling gives equal probability to each eligible admitted ten-second window (uniform_reference_window_v1).
Admitted windows pass the original BONES geometry/joint/speed profile, including an independent check of the deployed float32 cache. Full-source provenance, human-clock identity, generator identity, physical-gate rejection reasons, source fidelity and command diagnostics are included. The stricter commissioning continuity budget still flags 2430/3183 windows. These are visible diagnostics; geometry admission and absence of freezes do not establish universal dynamic feasibility, learned tracking or hardware acceptance.
Native-reference reset geometry and world-velocity rotation are repaired in training source cd03a6a. All 1,594,683 actual reader reset states are finite; the accompanying static reset audit and 1024-world/100-control H100 extrema probe pass. Sustained learner stability remains separately monitored.
Download corrected-data.tar, dataset-manifest.json and prepare_ufo_library.py from the release folder. Extract and follow its README to verify and relocate the library.
Historical releases remain available for reproducibility. The 20261008-motion-diversity-v1 and 20261009-gmr-command-continuity-v1 releases contain known source-active holds; use GMR smooth v2 for new training.
Source licenses and restrictions remain applicable. The included BONES-SEED license and source-specific archive licenses govern their respective data; this repository grants no additional rights.
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