{
  "actual_extension": "bt2",
  "assembly": "hg18",
  "builder": "aws-indexes:metadata-backfill",
  "built_utc": "2026-05-28T20:23:32Z",
  "command": "unknown",
  "date": "2026-05-28",
  "expected_extension": "bt2",
  "id": "hg18",
  "index_base": "hg18",
  "inputs": [
    {
      "md5": "5cf361b2f92d01691ee7d555ffca721f",
      "path": "source.fa.gz"
    }
  ],
  "notes": "UCSC hg18 full soft-masked FASTA Metadata-only backfill; index .bt2 shards unchanged from s3://genome-idx/bt; original bowtie2-build version/date/command not recorded.",
  "outputs": [
    "hg18.1.bt2",
    "hg18.2.bt2",
    "hg18.3.bt2",
    "hg18.4.bt2",
    "hg18.rev.1.bt2",
    "hg18.rev.2.bt2",
    "hg18.dict",
    "hg18.zip",
    "hg18.md5",
    "hg18.build.txt",
    "hg18.manifest.json"
  ],
  "schema_version": "1.0",
  "source": "UCSC",
  "source_urls": [
    "https://hgdownload.soe.ucsc.edu/goldenPath/hg18/bigZips/hg18.fa.gz"
  ],
  "species": "Human",
  "threads": "unknown",
  "tool": "bowtie2-build",
  "tool_version": "unknown",
  "tool_version_output": "unknown"
}