{
  "answer": "No. The K11 model records the selected lower contract, emits a downgrade notice, and rejects a fallback below the declared minimum.",
  "canonicalUrl": "https://xn--mwe.com/questions/can-protocol-downgrade-be-silent/",
  "claimStatus": "PROJECT DOCTRINE",
  "correctionStatus": "CURRENT K05 RELEASE",
  "detail": "No. The K11 model records the selected lower contract, emits a downgrade notice, and rejects a fallback below the declared minimum. K11 keeps protocol state, evidence acquisition, custody, authority, release class, deployment, operation, and protected-information states separate.",
  "id": "K01-ANSWER-166",
  "lastReviewed": "2026-08-16",
  "question": "Can a protocol downgrade be silent?",
  "releaseId": "K12-2026-08-16",
  "researchCutoff": "2026-08-16",
  "shortAnswer": "No. The K11 model records the selected lower contract, emits a downgrade notice, and rejects a fallback below the declared minimum.",
  "slug": "can-protocol-downgrade-be-silent",
  "sourceRevalidatedAt": "2026-08-15T23:00:00Z",
  "sources": [
    "SRC-W3C-PROV-O"
  ],
  "status": "PROJECT DOCTRINE",
  "topic": "machine-communication-protocols",
  "type": "Question"
}