{
  "evidence_id": "REG-001",
  "artifact": "2026-09-18-confirmation-extracted.md",
  "artifact_type": "assistant_extraction_from_user_paste",
  "source": "User message in current task, 2026-09-18",
  "saved_at_utc": "2026-09-18T17:41:24.363700+00:00",
  "sha256": "a16809f0a1ff1205a628a04816a46f63f0453459f20131bda8b138ebb63f2b7b",
  "hash_scope": "Extracted local record only; not original email",
  "original_email_acquired": false,
  "authentication_independently_verified": false
}