{
  "build_assumption": "Rows are emitted grouped by backbone sequence in generator order.",
  "bundle_id": "PBAC-PEPTIDE-ENDOKININ-C-TACR-ED2-FULL-BUNDLE-001",
  "canonical_row_store": "parquet",
  "catalog_id": "PBAC-PEPTIDE-ENDOKININ-C-TACR-ED2-FULL",
  "completed_at_utc": "2026-06-23T19:55:56Z",
  "entry_semantics": "Each entry maps one backbone sequence to every candidate shard that may contain exact asset rows for that sequence. The Parquet shard remains canonical.",
  "expected_sequence_count": 33118,
  "first_sequence": "KKAYQLEHTFQGLL",
  "generator_version": "0.1.0",
  "index_builder_version": "0.1.0",
  "index_file": "sequence_shard_index.jsonl.gz",
  "index_schema_version": "pbac_sequence_shard_index_manifest_v1",
  "index_type": "sequence_to_candidate_shards",
  "last_sequence": "KKAYQLEHTFQGYY",
  "max_shards_per_sequence": 2,
  "multi_shard_sequence_count": 8,
  "release_id": "PBAC-PEPTIDE-ENDOKININ-C-TACR-ED2-FULL-V1",
  "row_schema_version": "pbac_peptide_row_v1",
  "sequence_count": 33118,
  "sha256": {
    "sequence_shard_index.jsonl.gz": "fdf0727580fcf1bec548ddfdd5501eb80e3cd8009daa79f75effa6727e27c056"
  },
  "shard_count": 13,
  "shard_path_rule": "shards/{shard_id}/candidates.parquet",
  "source_config_hash_sha256": "b55a89011edea0f0f5c77045dc815629acce9128b448080db0de58af0d3fb13f",
  "source_row_count": 198708,
  "structure_key_version": "pbac-sk-v1"
}
