{
  "actual_extension": "bt2",
  "assembly": "GRCh37",
  "builder": "aws-indexes:metadata-backfill",
  "built_utc": "2026-05-28T19:41:18Z",
  "command": "unknown",
  "date": "2026-05-28",
  "expected_extension": "bt2",
  "id": "grch37",
  "index_base": "GRCh37",
  "inputs": [
    {
      "md5": "faf040d8b57cc04f1a4d5b23cccbb5ce",
      "path": "source.fa.gz"
    }
  ],
  "notes": "RefSeq GRCh37.p13 primary assembly Metadata-only backfill; index .bt2 shards unchanged from s3://genome-idx/bt; original bowtie2-build version/date/command not recorded.",
  "outputs": [
    "GRCh37.1.bt2",
    "GRCh37.2.bt2",
    "GRCh37.3.bt2",
    "GRCh37.4.bt2",
    "GRCh37.rev.1.bt2",
    "GRCh37.rev.2.bt2",
    "GRCh37.dict",
    "GRCh37.zip",
    "GRCh37.md5",
    "GRCh37.build.txt",
    "GRCh37.manifest.json"
  ],
  "schema_version": "1.0",
  "source": "NCBI",
  "source_urls": [
    "https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/001/405/GCF_000001405.25_GRCh37.p13/GCF_000001405.25_GRCh37.p13_genomic.fna.gz"
  ],
  "species": "Human",
  "threads": "unknown",
  "tool": "bowtie2-build",
  "tool_version": "unknown",
  "tool_version_output": "unknown"
}