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Digital Evidence
O'Keefe Phone KnowledgeC Battery Temperature Records
O'Keefe battery-temperature records: Whiffin described a fall from 82°F to 50°F by 1:36 a.m., a recording gap until 43°F at 6:06, a low of 37°F at 6:14, then warming.
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Whiffin testified that John O'Keefe's phone's battery temperature fell from 82°F to 50°F by 1:36 a.m., with a long recording gap until 6:06 a.m.; he observed no warming before the 6:14 a.m. low, after which the series rose. His opinion that the phone remained near the flagpole was based on the totality of the location, health, Doppler, and battery data, not continuous battery-temperature proof.
Battery-temperature records from John O'Keefe's iPhone KnowledgeC database. Whiffin described readings declining from 82°F shortly after midnight to 50°F at 1:36 a.m., followed by a recording gap until a 43°F entry at 6:06 a.m., a low of 37°F at 6:14 a.m., and subsequent warming.