{
  "receipt": "brain-genesis",
  "claim": "The operating brain's first packaged, dated artifact.",
  "artifact": "operating-brain bundle v1 (2026-05-03)",
  "date": "2026-05-03",
  "file_count": 39,
  "zipped_size_bytes": 182864,
  "sha256": "8d3df45cffa9a6f96d5d858b66d3003673aa29766cfa237cc7b5e00654b5074a",
  "basis": "First run of build_brain.py: a frozen snapshot of the operator's working memory plus canonical sources. The bundle contents are private IP and are not published. This is a dated SHA-256 commitment, verifiable against the artifact on request.",
  "corroboration": {
    "earliest_git_artifact": "2026-04-29 (keystone-extract 90e62b4, the context-recovery operating method)",
    "notion_canon": "~2026-05-11 (numbered canon pages 00-13, The Operating Brain)"
  },
  "note": "Every date on the field guide predates Anthropic's 2026-06-24 field guide. This one predates it by nearly two months."
}