{
 "expect": {
  "code": null,
  "detect_codes": [],
  "error_codes": [],
  "other_codes": [
   "WITNESS_UNLINKED",
   "KEY_ANNOUNCEMENT_UNSEEN",
   "PLAINTEXT_UNAVAILABLE",
   "PLAINTEXT_UNAVAILABLE",
   "RECORD_STATE"
  ],
  "reject_codes": [],
  "required_codes": [
   "KEY_ANNOUNCEMENT_UNSEEN"
  ],
  "result": "ACCEPT",
  "server": null,
  "time_bounds": [
   {
    "declared_gap_seconds": 50700,
    "head_n": 4,
    "seq": 0
   }
  ]
 },
 "fixture_format": "handoff-v0-fixture/1",
 "id": "XF5-1",
 "inputs": {
  "export_b64": "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",
  "keys_b64": "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",
  "known_heads_b64": "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",
  "require_anchored": false
 },
 "kind": "verify",
 "note": "r7 suppressed KEY_ANNOUNCEMENT_UNSEEN because a head with n = m - 1 was supplied; r8: only a head whose next_key announces the key counts",
 "spec_sections": [
  "\u00a77.4",
  "\u00a79.3",
  "\u00a710"
 ],
 "title": "suffix export (heads 3 and 4, first inclusion at head 4) of a history that introduces K1 at head 3; the only supplied head 2 is validly signed and has no next_key",
 "vector": "XF5"
}