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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
schema_version: int64
created_utc: string
repository_commit: string
prompts: struct<path: string, rows: int64, sha256: string>
  child 0, path: string
  child 1, rows: int64
  child 2, sha256: string
shape_per_prompt: list<item: int64>
  child 0, item: int64
dtype: string
lam_checkpoint: struct<path: string, sha256: string>
  child 0, path: string
  child 1, sha256: string
validation: struct<cosine_min: double, coverage: string, live_samples: int64, log: string, mae: double, max_abs: (... 30 chars omitted)
  child 0, cosine_min: double
  child 1, coverage: string
  child 2, live_samples: int64
  child 3, log: string
  child 4, mae: double
  child 5, max_abs: double
  child 6, relative_mae: double
archives: struct<droid_old78k_text_cache_shard0of2.tar.zst: struct<bytes: int64, sha256: string>, droid_old78k (... 68 chars omitted)
  child 0, droid_old78k_text_cache_shard0of2.tar.zst: struct<bytes: int64, sha256: string>
      child 0, bytes: int64
      child 1, sha256: string
  child 1, droid_old78k_text_cache_shard1of2.tar.zst: struct<bytes: int64, sha256: string>
      child 0, bytes: int64
      child 1, sha256: string
query_shape_per_row: list<item: int64>
  child 0, item: int64
query_storage: string
manifest_sha256: string
rows: int64
rows_per_shard: list<item: int64>
  child 0, item: int64
query_dtype: string
to
{'schema_version': Value('int64'), 'created_utc': Value('timestamp[s]'), 'repository_commit': Value('string'), 'manifest_sha256': Value('string'), 'rows': Value('int64'), 'rows_per_shard': List(Value('int64')), 'query_shape_per_row': List(Value('int64')), 'query_dtype': Value('string'), 'query_storage': Value('string'), 'archives': {'droid_old78k_query_s29_shard0of2.tar.zst': {'bytes': Value('int64'), 'sha256': Value('string')}, 'droid_old78k_query_s29_shard1of2.tar.zst': {'bytes': Value('int64'), 'sha256': Value('string')}}}
because column names don't match
Traceback:    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 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, 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 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, 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 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              schema_version: int64
              created_utc: string
              repository_commit: string
              prompts: struct<path: string, rows: int64, sha256: string>
                child 0, path: string
                child 1, rows: int64
                child 2, sha256: string
              shape_per_prompt: list<item: int64>
                child 0, item: int64
              dtype: string
              lam_checkpoint: struct<path: string, sha256: string>
                child 0, path: string
                child 1, sha256: string
              validation: struct<cosine_min: double, coverage: string, live_samples: int64, log: string, mae: double, max_abs: (... 30 chars omitted)
                child 0, cosine_min: double
                child 1, coverage: string
                child 2, live_samples: int64
                child 3, log: string
                child 4, mae: double
                child 5, max_abs: double
                child 6, relative_mae: double
              archives: struct<droid_old78k_text_cache_shard0of2.tar.zst: struct<bytes: int64, sha256: string>, droid_old78k (... 68 chars omitted)
                child 0, droid_old78k_text_cache_shard0of2.tar.zst: struct<bytes: int64, sha256: string>
                    child 0, bytes: int64
                    child 1, sha256: string
                child 1, droid_old78k_text_cache_shard1of2.tar.zst: struct<bytes: int64, sha256: string>
                    child 0, bytes: int64
                    child 1, sha256: string
              query_shape_per_row: list<item: int64>
                child 0, item: int64
              query_storage: string
              manifest_sha256: string
              rows: int64
              rows_per_shard: list<item: int64>
                child 0, item: int64
              query_dtype: string
              to
              {'schema_version': Value('int64'), 'created_utc': Value('timestamp[s]'), 'repository_commit': Value('string'), 'manifest_sha256': Value('string'), 'rows': Value('int64'), 'rows_per_shard': List(Value('int64')), 'query_shape_per_row': List(Value('int64')), 'query_dtype': Value('string'), 'query_storage': Value('string'), 'archives': {'droid_old78k_query_s29_shard0of2.tar.zst': {'bytes': Value('int64'), 'sha256': Value('string')}, 'droid_old78k_query_s29_shard1of2.tar.zst': {'bytes': Value('int64'), 'sha256': Value('string')}}}
              because column names don't match

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old78k latent-query caches

This is the canonical repository for old78k [32, 2048] latent-action query caches and their row-aligned text/manifest metadata. First-frame VAE latents are stored separately in Jiiiiiisoo/old78k_firstframe_vae_s29_v1.

Layout

  • droid/: DROID query and text caches.
  • molmoact/additional/: the non-overlapping additional MolmoAct tranche (458,332 clips).
  • molmoact/selected/: the original selected MolmoAct cache (458,332 clips: 219,817 available + 238,515 remainder).

The Bridge, AgiBot, EgoDex, and EgoVerse query caches remain in the original public source repository: chyun/old78k_human_s29_q32_step078000_c056967f_v1.

MolmoAct additional and selected are disjoint sets. Keep the generation identifier (additional, selected/available, or selected/remainder) when constructing a combined index; row numbers are local to their own manifests.

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