{
  "build_assumption": "Rows are emitted grouped by backbone sequence in generator order.",
  "bundle_id": "PBAC-PEPTIDE-MET-ENKEPHALIN-ARG-GLY-LEU-PENK-OPIOID-ED2-FULL-BUNDLE-001",
  "canonical_row_store": "parquet",
  "catalog_id": "PBAC-PEPTIDE-MET-ENKEPHALIN-ARG-GLY-LEU-PENK-OPIOID-ED2-FULL",
  "completed_at_utc": "2026-06-26T14:44:37Z",
  "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": 10261,
  "first_sequence": "YGGFMRGL",
  "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": "YGGFMRYY",
  "max_shards_per_sequence": 1,
  "multi_shard_sequence_count": 0,
  "release_id": "PBAC-PEPTIDE-MET-ENKEPHALIN-ARG-GLY-LEU-PENK-OPIOID-ED2-FULL-V1",
  "row_schema_version": "pbac_peptide_row_v1",
  "sequence_count": 10261,
  "sha256": {
    "sequence_shard_index.jsonl.gz": "d8681e6e5778abf0a6eb0405475bd7f44272f959ee985a789d5a85b90d1fec43"
  },
  "shard_count": 1,
  "shard_path_rule": "shards/{shard_id}/candidates.parquet",
  "source_config_hash_sha256": "0bc4263f70f3ab55817d330a0c5fba35eceb05ce7e2927f21ab617e955cdea0d",
  "source_row_count": 61566,
  "structure_key_version": "pbac-sk-v1"
}
