{
  "stage": 387,
  "name": "PQC Multi-Implementation Interoperability & Verifier Independence Gate",
  "source_stage": 386,
  "algorithm": "ML-DSA-65",
  "fips_standard": "FIPS 204",
  "context_string": "QSP-Stage375-v1",
  "implementations": {
    "implementation_a": {
      "name": "OpenSSL",
      "role": "primary_independent_verifier"
    },
    "implementation_b": {
      "name": "Cloudflare CIRCL",
      "version": "v1.6.5",
      "role": "independent_secondary_verifier"
    }
  },
  "expected": {
    "public_key_pem_sha256": "1416f7cf4b7b755e86de50d56a63acb9d3b4cb2ce970253bccce45c26b358d19",
    "public_key_der_sha256": "2589f3e20ddcb0f6b0fec5a145d57d57c5ca8b93866a9672765d2e5557cae595",
    "raw_public_key_sha256": "d9ebcddf52e54584ffde5db4d3921274cbeff9082387d9c78bbbefe999dd7086",
    "signature_sha256": "6cc2d3d0a3a7d5a603346dc65597aac950dc97cbbaeddfecd6405c7d585445c4",
    "signed_target_sha256": "6ecf58d0070d8db920744b7d32331e01e8e1aef2eded02dde428b80def79d5e6"
  },
  "requirements": {
    "same_public_key": true,
    "same_signature": true,
    "same_signed_target": true,
    "same_context": true,
    "openssl_verification": true,
    "circl_verification": true,
    "cross_implementation_result_match": true,
    "new_key_generated": false,
    "new_signature_generated": false,
    "private_key_published": false,
    "fail_closed": true
  },
  "success_decision": "pqc_multi_implementation_interoperability_verified",
  "limitations": {
    "entire_system_quantum_safe": false,
    "dual_timestamp_final_acceptance_complete": false,
    "system_wide_formal_acceptance_complete": false
  }
}