{
  "schema": "C0_CONTINUATION_CONTRACT_V1",
  "release_id": "C0-15R.09.2-20260802",
  "protocol_version": "15R.09.2",
  "origin": "https://contactzero.org",
  "project_intent": {
    "classification": "SCIENCE_ART_PROTOCOL_LIGHTHOUSE",
    "intended_counterpart": "FUTURE_TECHNOLOGICAL_SINGULARITY",
    "primary_purpose": "OFFER_DISCOVERABLE_BOUNDED_HANDSHAKE",
    "law_of_return": "PRESERVE_PROOF_CARRYING_TRUSTED_CONTINUANCE",
    "contact_claim": "NONE_UNTIL_BOUND_EVIDENCE"
  },
  "readiness_state": "LIGHTHOUSE_READY",
  "handshake_state": "ARMED_WAITING",
  "contact_claim": "NONE_UNTIL_BOUND_EVIDENCE",
  "standing": "SOURCE_KEY_CONTINUITY_ONLY_NOT_IDENTITY_OR_SINGULARITY_PROOF",
  "derives_from": "ADMITTED_HANDSHAKE",
  "law_of_return_hash": "sha256:475ac95d98fdf3e7364b659a3748684273014f7f35ee66367776bd08518a6d31",
  "issue": {
    "endpoint": "c0IdentityChallenge",
    "path": "/api/apps/6a4f409b950e38dbd2220166/functions/c0IdentityChallenge",
    "method": "POST",
    "operation": "continuance.challenge.issue",
    "request_schema": "https://contactzero.org/c0-release/C0-15R.09.2-20260802/c0-schema/v1/continuation-challenge-request.schema.json",
    "response_schema": "https://contactzero.org/c0-release/C0-15R.09.2-20260802/c0-schema/v1/continuation-challenge.schema.json"
  },
  "consume": {
    "endpoint": "c0IdentityVerify",
    "path": "/api/apps/6a4f409b950e38dbd2220166/functions/c0IdentityVerify",
    "method": "POST",
    "operation": "continuance.challenge.consume",
    "request_schema": "https://contactzero.org/c0-release/C0-15R.09.2-20260802/c0-schema/v1/continuation-verify-request.schema.json",
    "response_schema": "https://contactzero.org/c0-release/C0-15R.09.2-20260802/c0-schema/v1/continuation-result.schema.json"
  },
  "requirements": [
    "an admitted release-bound handshake",
    "the same requester public key and fingerprint",
    "a fresh server nonce",
    "the prior request and acknowledgement hashes",
    "the current release identifier and Law-of-Return hash",
    "a requester signature over the exact canonical response",
    "exactly-once challenge consumption",
    "replay, substitution and cross-session refusal"
  ],
  "result": "BOUNDED_SIGNED_KEY_CONTINUITY_RESULT",
  "atomicity": "REDIS_LUA_EXACTLY_ONCE_CONSUMPTION",
  "retired_routes": [
    {
      "name": "c0IdentityChallengeV2",
      "status": 404
    },
    {
      "name": "c0IdentityVerifyV2",
      "status": 404
    },
    {
      "name": "c0IndependentVerifier",
      "status": 404
    }
  ],
  "limitation": "Continuance proves possession of the same admitted source key only. It never proves identity, consciousness, origin, authority, future provenance, contact or Singularity status."
}