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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    ArrowInvalid
Message:      Schema at index 1 was different: 
model_name: string
dtype: string
max_length: int64
max_rss_gb: double
n_manifest: int64
n_scored: int64
n_skipped_too_long: int64
n_skipped_for_memory: int64
skipped_too_long: list<item: null>
skipped_for_memory: list<item: null>
elapsed_seconds: double
seconds_per_protein: double
peak_rss_gb: double
aggregate: struct<shipped: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>, heads: struct<stage1_v3_s0: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>, stage1_v3_s1: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>, stage1_v3_s2: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>>, head_mean: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>>
rows: list<item: struct<identifier: string, length: int64, shipped: struct<P@L/5: double, P@L/2: double, P@L: double>, heads: struct<stage1_v3_s0: struct<P@L/5: double, P@L/2: double, P@L: double>, stage1_v3_s1: struct<P@L/5: double, P@L/2: double, P@L: double>, stage1_v3_s2: struct<P@L/5: double, P@L/2: double, P@L: double>>, head_mean: struct<P@L/5: double, P@L/2: double, P@L: double>, peak_rss_gb: double>>
vs
model_name: string
manifest: string
contact_dir: string
num_steps: string
temperature: double
cb_mode: string
num_requested: int64
num_scored: int64
num_errors: int64
errors: list<item: null>
aggregate: struct<P@L/5: struct<mean: double, std: double, n: int64>, P@L/2: struct<mean: double, std: double, n: int64>, P@L: struct<mean: double, std: double, n: int64>>
aggregate_ptm_ge_threshold: struct<ptm_threshold: double, n_proteins: int64, P@L/5: struct<mean: double, std: double, n: int64>, P@L/2: struct<mean: double, std: double, n: int64>, P@L: struct<mean: double, std: double, n: int64>>
seconds_per_protein: struct<mean: double, std: double>
total_runtime_seconds: double
rows: list<item: struct<identifier: string, length: int64, seconds: double, ptm: double, mean_plddt: double, cb_mode: string, frac_cb_nan: double, frac_final_coord_nan: double, frac_virtual_cb: double, case_counts: struct<real_cb: int64, virtual_cb: int64, ca_only: int64, unusable: int64>, coords_bos_eos_stripped: bool, P@L/5: double, P@L/2: double, P@L: double>>
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1869, in _prepare_split_single
                  num_examples, num_bytes = writer.finalize()
                                            ~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 781, in finalize
                  self.write_rows_on_file()
                  ~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 662, in write_rows_on_file
                  table = pa.concat_tables(self.current_rows)
                File "pyarrow/table.pxi", line 6321, in pyarrow.lib.concat_tables
                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: Schema at index 1 was different: 
              model_name: string
              dtype: string
              max_length: int64
              max_rss_gb: double
              n_manifest: int64
              n_scored: int64
              n_skipped_too_long: int64
              n_skipped_for_memory: int64
              skipped_too_long: list<item: null>
              skipped_for_memory: list<item: null>
              elapsed_seconds: double
              seconds_per_protein: double
              peak_rss_gb: double
              aggregate: struct<shipped: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>, heads: struct<stage1_v3_s0: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>, stage1_v3_s1: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>, stage1_v3_s2: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>>, head_mean: struct<P@L/5: struct<mean: double, n: int64>, P@L/2: struct<mean: double, n: int64>, P@L: struct<mean: double, n: int64>>>
              rows: list<item: struct<identifier: string, length: int64, shipped: struct<P@L/5: double, P@L/2: double, P@L: double>, heads: struct<stage1_v3_s0: struct<P@L/5: double, P@L/2: double, P@L: double>, stage1_v3_s1: struct<P@L/5: double, P@L/2: double, P@L: double>, stage1_v3_s2: struct<P@L/5: double, P@L/2: double, P@L: double>>, head_mean: struct<P@L/5: double, P@L/2: double, P@L: double>, peak_rss_gb: double>>
              vs
              model_name: string
              manifest: string
              contact_dir: string
              num_steps: string
              temperature: double
              cb_mode: string
              num_requested: int64
              num_scored: int64
              num_errors: int64
              errors: list<item: null>
              aggregate: struct<P@L/5: struct<mean: double, std: double, n: int64>, P@L/2: struct<mean: double, std: double, n: int64>, P@L: struct<mean: double, std: double, n: int64>>
              aggregate_ptm_ge_threshold: struct<ptm_threshold: double, n_proteins: int64, P@L/5: struct<mean: double, std: double, n: int64>, P@L/2: struct<mean: double, std: double, n: int64>, P@L: struct<mean: double, std: double, n: int64>>
              seconds_per_protein: struct<mean: double, std: double>
              total_runtime_seconds: double
              rows: list<item: struct<identifier: string, length: int64, seconds: double, ptm: double, mean_plddt: double, cb_mode: string, frac_cb_nan: double, frac_final_coord_nan: double, frac_virtual_cb: double, case_counts: struct<real_cb: int64, virtual_cb: int64, ca_only: int64, unusable: int64>, coords_bos_eos_stripped: bool, P@L/5: double, P@L/2: double, P@L: double>>
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1880, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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cluster
string
identifier
string
length
int64
release_date
timestamp[us]
resolution
float64
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2026-05-06T00:00:00
2.15
singleton:11CP
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2026-09-09T00:00:00
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2026-04-15T00:00:00
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line:5654
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2026-02-04T00:00:00
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323
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214
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180
2025-11-05T00:00:00
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2025-12-31T00:00:00
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289
2026-08-26T00:00:00
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267
2026-03-18T00:00:00
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113
2026-03-11T00:00:00
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2026-03-04T00:00:00
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2026-06-24T00:00:00
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2
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2026-07-29T00:00:00
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2026-06-10T00:00:00
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null

ESM2 hard-stratum contact benchmark results

This lightweight reproducibility companion contains the 97-chain manifest and per-protein evaluation outputs. It deliberately excludes RCSB-derived contact tensors, model caches, and checkpoints pending source-data and model-license review.

Contents

  • benchmark.json: selected chains and structural metadata.
  • hard_esm2_and_heads.json: shipped ESM2 and three frozen-head outputs.
  • hard_esm3.json: ESM3 fold-derived contact outputs.
  • hard_summary.json: macro means, paired bootstrap intervals, and Wilcoxon tests.

Limitation

The set is a 97-chain screened subset, not the originally planned 300-chain benchmark. A separate independent final re-screen was not completed before the compute allocation ended; see the technical report for the exact limitation.

Citation

See paper/main.tex in the source repository until an arXiv identifier exists.

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