{
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  "date_created": "2026-03-02T18:02:27.235000Z",
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  "record": {
    "abstract": "The security proof of the ping-pong protocol is wrong.",
    "arxiv_id": "quant-ph/0604035",
    "authors": [
      "Zhan-jun Zhang"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "The security proof of the ping-pong protocol is wrong",
    "url": "https://arxiv.org/abs/quant-ph/0604035"
  },
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  "source": {
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