{
  "kind": "genesis/assurance-control-closure-bundle-v0.1",
  "version": "0.1",
  "control_id": "DO178C-B-AUTHORITY-SIGNOFF",
  "status": "closed",
  "assurance_profile": "do178c-dal-b",
  "standard_family": "RTCA DO-178C",
  "approval": {
    "approved_at_utc": "2026-02-24T18:08:00Z",
    "approver": {
      "id": "program-governance-board:key:genesis-2026-q1",
      "name": "Genesis Program Governance Board",
      "role": "program-governance"
    }
  },
  "signed_closure_summary": {
    "algorithm": "ed25519",
    "signer": "program-governance-board:key:genesis-2026-q1",
    "signature_sha256": "fb3a60d4d019884f141f00a3dfea23e9614f28395376f6b40d3e5a92bad7a9c1",
    "summary": {
      "control_id": "DO178C-B-AUTHORITY-SIGNOFF",
      "from_status": "program-backlog",
      "to_status": "closed",
      "approved_at_utc": "2026-02-24T18:08:00Z",
      "closure_scope": "program governance controls",
      "artifact_hashes": [
        "d35a17b4d38045d2935f1af01774736651fa6260a7acd32f98564b432165493a",
        "e7f6fb4d5a7e6e68759a4acd350ffa90e3a2e80c61e567fe213d301116a0b88d",
        "b979c31dd35a37bd728415832a4c59c9325b97bb93fce3db78f55fbd71e586ee"
      ]
    }
  },
  "immutable_artifact_refs": [
    {
      "artifact_id": "governance-charter",
      "sha256": "d35a17b4d38045d2935f1af01774736651fa6260a7acd32f98564b432165493a",
      "immutable_ref": "urn:genesis:artifact:sha256:d35a17b4d38045d2935f1af01774736651fa6260a7acd32f98564b432165493a"
    },
    {
      "artifact_id": "approval-packet",
      "sha256": "e7f6fb4d5a7e6e68759a4acd350ffa90e3a2e80c61e567fe213d301116a0b88d",
      "immutable_ref": "urn:genesis:artifact:sha256:e7f6fb4d5a7e6e68759a4acd350ffa90e3a2e80c61e567fe213d301116a0b88d"
    },
    {
      "artifact_id": "closure-attestation",
      "sha256": "b979c31dd35a37bd728415832a4c59c9325b97bb93fce3db78f55fbd71e586ee",
      "immutable_ref": "urn:genesis:artifact:sha256:b979c31dd35a37bd728415832a4c59c9325b97bb93fce3db78f55fbd71e586ee"
    }
  ],
  "change_record": {
    "change_id": "chg-do178c-b-authority-signoff-20260224",
    "change_description": "Moved control from program backlog to closed after governance approval.",
    "tracked_in": "docs/program/ASSURANCE_CONTROL_CLOSURES_v0.1.md#do178c-b-authority-signoff"
  }
}