{
  "expect": {
    "ok": true,
    "silence_seconds": 28800,
    "strength_verified": 2
  },
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          "proof_ref": "ots://fixture/0.ots",
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        },
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        "epoch_end": "2026-09-19T01:00:00Z",
        "epoch_start": "2026-09-19T00:00:00Z",
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