{
  "annotation_id": "888fa1b7-790a-41e7-997c-e443f52b2258",
  "date_created": "2026-03-02T18:02:00.267000Z",
  "date_modified": "2026-03-02T18:02:00.267000Z",
  "file_hash": "8a4ba49475fe0fdb58f1ec45349026fed7300d79ada910d8dbaf194f0a07b23b",
  "private": false,
  "record": {
    "abstract": "We examine certain pasts and presents in the classically forbidden region. We\nshow that for a given past the trajectory representation does not permit some\npresents while the Copenhagen predicts a finite probability for these presents\nto exist. This suggests another gedanken experiment to invalidate either\nCopenhagen or the trajectory representation.",
    "arxiv_id": "quant-ph/0307090",
    "authors": [
      "Edward R. Floyd"
    ],
    "categories": [
      "quant-ph",
      "hep-th"
    ],
    "title": "Differences between the trajectory representation and Copenhagen   regarding the past and present in quantum theory",
    "url": "https://arxiv.org/abs/quant-ph/0307090"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "0999784a-0aaf-43f8-99dc-53fa12a98ff9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}