{
  "annotation_id": "87873427-276a-4d95-9ce2-2fbf6518dcf3",
  "date_created": "2026-03-02T18:02:09.611000Z",
  "date_modified": "2026-03-02T18:02:09.611000Z",
  "file_hash": "8e49ff4163eb4ccd530b2e97cf8b853312e1432308c8aa858515d9b0449ea499",
  "private": false,
  "record": {
    "abstract": "We report a proof-of-principle experiment on distant clock synchronization.\nBesides the achievement of picosecond resolution at 3 kilometer distance, this\nexperiment demonstrated a novel concept for high accuracy non-local timing and\npositioning based on the quantum feature of entangled states.",
    "arxiv_id": "quant-ph/0407204",
    "authors": [
      "Alejandra Valencia",
      "Giuliano Scarcelli",
      "Yanhua Shih"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1063/1.1797561",
    "journal_ref": "Applied Physycs Letters 85, 2655 (2004)",
    "title": "Distant Clock Synchronization Using Entangled Photon Pairs",
    "url": "https://arxiv.org/abs/quant-ph/0407204"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6945c902-072e-4553-9deb-31f3e3a740b8",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}