Testing the information loss problem

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This paper; https://arxiv.org/abs/1704.08613, Entropy evolution of moving mirrors and the information loss problem, discusses a proposed method to test the information loss paradox posed by black hole evaporation. Several possible outcomes are discussed, including a firewall scenario. Unfortunately, the devil is once again in the details. I could not entirely grasp how the authors propose to separate the smoke from the mirrors.
 
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I read the paper after seeing your thread. It was of course a thought experiment and though they made some tentative suggestion of how this could be realized as a table top experiment but the details of this real world experiment still need to be fleshed out. Until then this appears an interesting diversion only, maybe it will up their citation score!