{
  "schema": "hephaestion.build_receipt.v1",
  "package_id": "POW-HEP-2026-0714-A7C3",
  "product": "Echo Inventory Pulse",
  "winning_lane": "B-Anvil",
  "stages_completed": 13,
  "gates": {
    "tests": "PASS",
    "security": "PASS",
    "quality": "PASS",
    "final": "PASS"
  },
  "composite_score": 0.965,
  "artifact_root": "07-final-repo/",
  "issued_at": "2026-07-20T16:42:11.000Z",
  "issuer": "Hephaestion Forge (sample)",
  "signature": {
    "algorithm": "ed25519",
    "key_id": "echosforge-sample-ed25519-2026-07",
    "public_key_spki_b64": "MCowBQYDK2VwAyEAmHWfHPO0+PT4idQS48yXZcN/4vn4dsVIXlAnSlFZjCI=",
    "payload_sha256": "984be50ad82117d70bc18e04b6d98297fdde0951bd0a6e121678daa55ea1795b",
    "signature_b64": "2k1EOjDePKxO3VrrZd4oZXqHGvFRAbNQd1o6qX21dVgy4NxvA2LO5T57zadCUjlPDli2PyA090FtUaGN9XxaCQ=="
  }
}