{
  "build_assumption": "Rows are emitted grouped by backbone sequence in generator order.",
  "bundle_id": "PBAC-PEPTIDE-CORTISTATIN17-CORT-SSTR-ED2-FULL-BUNDLE-001",
  "canonical_row_store": "parquet",
  "catalog_id": "PBAC-PEPTIDE-CORTISTATIN17-CORT-SSTR-ED2-FULL",
  "completed_at_utc": "2026-06-24T18:30:26Z",
  "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": 38191,
  "first_sequence": "DRMPCRNFFWKTFSSCK",
  "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": "DRMPCRNFFWKTFSYCY",
  "max_shards_per_sequence": 2,
  "multi_shard_sequence_count": 2,
  "release_id": "PBAC-PEPTIDE-CORTISTATIN17-CORT-SSTR-ED2-FULL-V1",
  "row_schema_version": "pbac_peptide_row_v1",
  "sequence_count": 38191,
  "sha256": {
    "sequence_shard_index.jsonl.gz": "dd699f8cca78fe9e36ef70c86dd3bfbfc7834e43142236c779e577f4ef8c2bc6"
  },
  "shard_count": 4,
  "shard_path_rule": "shards/{shard_id}/candidates.parquet",
  "source_config_hash_sha256": "d6dd0cda6a5558210eed5a944e4a8473aa47243561b008d74f12389ebe65c74a",
  "source_row_count": 229146,
  "structure_key_version": "pbac-sk-v1"
}
