{
  "actual_extension": "bt2",
  "assembly": "GRCm39",
  "builder": "aws-indexes:metadata-backfill",
  "built_utc": "2026-05-28T20:38:07Z",
  "command": "unknown",
  "date": "2026-05-28",
  "expected_extension": "bt2",
  "id": "grcm39",
  "index_base": "GRCm39",
  "inputs": [
    {
      "md5": "c0b0c4c3f54d2b480efe68a18bf7e42b",
      "path": "source.fa.gz"
    }
  ],
  "notes": "RefSeq GRCm39 Metadata-only backfill; index .bt2 shards unchanged from s3://genome-idx/bt; original bowtie2-build version/date/command not recorded.",
  "outputs": [
    "GRCm39.1.bt2",
    "GRCm39.2.bt2",
    "GRCm39.3.bt2",
    "GRCm39.4.bt2",
    "GRCm39.rev.1.bt2",
    "GRCm39.rev.2.bt2",
    "GRCm39.dict",
    "GRCm39.zip",
    "GRCm39.md5",
    "GRCm39.build.txt",
    "GRCm39.manifest.json"
  ],
  "schema_version": "1.0",
  "source": "NCBI",
  "source_urls": [
    "https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/001/635/GCF_000001635.27_GRCm39/GCF_000001635.27_GRCm39_genomic.fna.gz"
  ],
  "species": "Mouse",
  "threads": "unknown",
  "tool": "bowtie2-build",
  "tool_version": "unknown",
  "tool_version_output": "unknown"
}