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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
gid: int64
mode: int64
mtime_ns: int64
path: string
type: string
uid: int64
xattrs: struct<>
sha256: string
size: int64
batch: string
compression: string
created_at_utc: string
archives: struct<pure_tasks: struct<bytes: int64, filename: string, remote_transport: struct<mode: string, rec (... 522 chars omitted)
  child 0, pure_tasks: struct<bytes: int64, filename: string, remote_transport: struct<mode: string, reconstruction: string (... 265 chars omitted)
      child 0, bytes: int64
      child 1, filename: string
      child 2, remote_transport: struct<mode: string, reconstruction: string, parts: list<item: struct<filename: string, bytes: int64 (... 19 chars omitted)
          child 0, mode: string
          child 1, reconstruction: string
          child 2, parts: list<item: struct<filename: string, bytes: int64, sha256: string>>
              child 0, item: struct<filename: string, bytes: int64, sha256: string>
                  child 0, filename: string
                  child 1, bytes: int64
                  child 2, sha256: string
      child 3, restored_roots: list<item: string>
          child 0, item: string
      child 4, sha256: string
      child 5, source_snapshot: string
      child 6, summary: struct<member_count: int64, regular_file_bytes: int64, types: struct<directory: int64, file: int64>>
          child 0, member_count: int64
          child 1, regular_file_bytes: int64
          child 2, types: struct<directory: int64, file: int64>
              child 0, directory: int64
              child 1, file: int64
  child 1, rubrics: struct<bytes: int64, filename: string, restored_roots: list<item: string>, sha256: string, source_sn (... 126 chars omitted)
      child 0, bytes: int64
      child 1, filename: string
      child 2, restored_roots: list<item: string>
          child 0, item: string
      child 3, sha256: string
      child 4, source_snapshot: string
      child 5, summary: struct<member_count: int64, regular_file_bytes: int64, types: struct<directory: int64, file: int64>>
          child 0, member_count: int64
          child 1, regular_file_bytes: int64
          child 2, types: struct<directory: int64, file: int64>
              child 0, directory: int64
              child 1, file: int64
verification_report: string
selection_manifest: string
snapshots: struct<pure_tasks_source_snapshot.jsonl.zst: struct<bytes: int64, sha256: string>, rubrics_source_sn (... 55 chars omitted)
  child 0, pure_tasks_source_snapshot.jsonl.zst: struct<bytes: int64, sha256: string>
      child 0, bytes: int64
      child 1, sha256: string
  child 1, rubrics_source_snapshot.jsonl.zst: struct<bytes: int64, sha256: string>
      child 0, bytes: int64
      child 1, sha256: string
to
{'archives': {'pure_tasks': {'bytes': Value('int64'), 'filename': Value('string'), 'remote_transport': {'mode': Value('string'), 'reconstruction': Value('string'), 'parts': List({'filename': Value('string'), 'bytes': Value('int64'), 'sha256': Value('string')})}, 'restored_roots': List(Value('string')), 'sha256': Value('string'), 'source_snapshot': Value('string'), 'summary': {'member_count': Value('int64'), 'regular_file_bytes': Value('int64'), 'types': {'directory': Value('int64'), 'file': Value('int64')}}}, 'rubrics': {'bytes': Value('int64'), 'filename': Value('string'), 'restored_roots': List(Value('string')), 'sha256': Value('string'), 'source_snapshot': Value('string'), 'summary': {'member_count': Value('int64'), 'regular_file_bytes': Value('int64'), 'types': {'directory': Value('int64'), 'file': Value('int64')}}}}, 'batch': Value('string'), 'compression': Value('string'), 'created_at_utc': Value('string'), 'selection_manifest': Value('string'), 'snapshots': {'pure_tasks_source_snapshot.jsonl.zst': {'bytes': Value('int64'), 'sha256': Value('string')}, 'rubrics_source_snapshot.jsonl.zst': {'bytes': Value('int64'), 'sha256': Value('string')}}, 'verification_report': Value('string')}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 149, 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 129, 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 489, 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 2818, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, 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 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              gid: int64
              mode: int64
              mtime_ns: int64
              path: string
              type: string
              uid: int64
              xattrs: struct<>
              sha256: string
              size: int64
              batch: string
              compression: string
              created_at_utc: string
              archives: struct<pure_tasks: struct<bytes: int64, filename: string, remote_transport: struct<mode: string, rec (... 522 chars omitted)
                child 0, pure_tasks: struct<bytes: int64, filename: string, remote_transport: struct<mode: string, reconstruction: string (... 265 chars omitted)
                    child 0, bytes: int64
                    child 1, filename: string
                    child 2, remote_transport: struct<mode: string, reconstruction: string, parts: list<item: struct<filename: string, bytes: int64 (... 19 chars omitted)
                        child 0, mode: string
                        child 1, reconstruction: string
                        child 2, parts: list<item: struct<filename: string, bytes: int64, sha256: string>>
                            child 0, item: struct<filename: string, bytes: int64, sha256: string>
                                child 0, filename: string
                                child 1, bytes: int64
                                child 2, sha256: string
                    child 3, restored_roots: list<item: string>
                        child 0, item: string
                    child 4, sha256: string
                    child 5, source_snapshot: string
                    child 6, summary: struct<member_count: int64, regular_file_bytes: int64, types: struct<directory: int64, file: int64>>
                        child 0, member_count: int64
                        child 1, regular_file_bytes: int64
                        child 2, types: struct<directory: int64, file: int64>
                            child 0, directory: int64
                            child 1, file: int64
                child 1, rubrics: struct<bytes: int64, filename: string, restored_roots: list<item: string>, sha256: string, source_sn (... 126 chars omitted)
                    child 0, bytes: int64
                    child 1, filename: string
                    child 2, restored_roots: list<item: string>
                        child 0, item: string
                    child 3, sha256: string
                    child 4, source_snapshot: string
                    child 5, summary: struct<member_count: int64, regular_file_bytes: int64, types: struct<directory: int64, file: int64>>
                        child 0, member_count: int64
                        child 1, regular_file_bytes: int64
                        child 2, types: struct<directory: int64, file: int64>
                            child 0, directory: int64
                            child 1, file: int64
              verification_report: string
              selection_manifest: string
              snapshots: struct<pure_tasks_source_snapshot.jsonl.zst: struct<bytes: int64, sha256: string>, rubrics_source_sn (... 55 chars omitted)
                child 0, pure_tasks_source_snapshot.jsonl.zst: struct<bytes: int64, sha256: string>
                    child 0, bytes: int64
                    child 1, sha256: string
                child 1, rubrics_source_snapshot.jsonl.zst: struct<bytes: int64, sha256: string>
                    child 0, bytes: int64
                    child 1, sha256: string
              to
              {'archives': {'pure_tasks': {'bytes': Value('int64'), 'filename': Value('string'), 'remote_transport': {'mode': Value('string'), 'reconstruction': Value('string'), 'parts': List({'filename': Value('string'), 'bytes': Value('int64'), 'sha256': Value('string')})}, 'restored_roots': List(Value('string')), 'sha256': Value('string'), 'source_snapshot': Value('string'), 'summary': {'member_count': Value('int64'), 'regular_file_bytes': Value('int64'), 'types': {'directory': Value('int64'), 'file': Value('int64')}}}, 'rubrics': {'bytes': Value('int64'), 'filename': Value('string'), 'restored_roots': List(Value('string')), 'sha256': Value('string'), 'source_snapshot': Value('string'), 'summary': {'member_count': Value('int64'), 'regular_file_bytes': Value('int64'), 'types': {'directory': Value('int64'), 'file': Value('int64')}}}}, 'batch': Value('string'), 'compression': Value('string'), 'created_at_utc': Value('string'), 'selection_manifest': Value('string'), 'snapshots': {'pure_tasks_source_snapshot.jsonl.zst': {'bytes': Value('int64'), 'sha256': Value('string')}, 'rubrics_source_snapshot.jsonl.zst': {'bytes': Value('int64'), 'sha256': Value('string')}}, 'verification_report': Value('string')}
              because column names don't match

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jun_27_1000_g5_200

Lossless, restorable archives for the jun_27_1000_g5_200 batch.

Contents

  • jun_27_1000_g5_200__pure_harbor_tasks.tar.zst: 183 rollout-ready Harbor tasks and their complete raw skill inputs. Pipeline intermediates, rollout/judge outputs, and .setup_synthesis directories are excluded. dhh-coder is excluded because its setup requires human classification.
  • jun_27_1000_g5_200__rubrics.tar.zst: 330 validated final rubric JSON files (166 completion and 164 process rubrics), stored separately from the pure task archive.
  • selection_manifest.json: exact selection rules, task IDs, exclusions, and rubric coverage.
  • archive_manifest.json: archive members, restored roots, sizes, checksums, and the original split-transport provenance.
  • verification_report.json: local extraction and lossless-restoration verification results.
  • pure_tasks_source_snapshot.jsonl.zst and rubrics_source_snapshot.jsonl.zst: compressed source snapshots used for provenance verification.
  • SHA256SUMS: SHA-256 checksums for all uploaded data and metadata artifacts.

The main archive restores these roots:

raw_skills/jun_27_1000_g5_200/
synthesized_data/jun_27_1000_g5_200/
pipeline_runs/jun_27_1000_g5_200/

The pipeline_runs location in the main archive is intentionally empty. The separate rubric archive restores rubric files beneath that location.

Verify and restore

From this repository directory:

sha256sum -c SHA256SUMS
mkdir -p /path/to/restore
zstd -dc jun_27_1000_g5_200__pure_harbor_tasks.tar.zst | tar -xf - -C /path/to/restore
zstd -dc jun_27_1000_g5_200__rubrics.tar.zst | tar -xf - -C /path/to/restore

The archives were verified by full extraction, path-set comparison, file size and SHA-256 comparison, metadata comparison, and a rollout precheck for all 183 selected tasks. See verification_report.json for the recorded checks.

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