{
  "annotation_id": "4298d6fc-161f-4ceb-8eec-136bec78337f",
  "date_created": "2026-03-02T18:00:49.845000Z",
  "date_modified": "2026-03-02T18:00:49.845000Z",
  "file_hash": "213a3215fc121231d58a3e492668b3efc372da1f773d61c3bf9146431fdfecc7",
  "private": false,
  "record": {
    "abstract": "Invited report at the 8th Meeting of the Working Group ``Base units and\nfundamental constants\u0027\u0027 of the French Academy of Sciences. June 14, 2004.\n  The text consists of seven sections:\n  1. Great importance of SI. 2. The necessity of updating SI. 3. Special\nrelativity: four-dimensional quantities. 4. Maxwell equations in vacuum in CGSG\nunits. 5. Maxwell equations in vacuum in SI. 6. $c \\hbar$ units. 7. Systems\nCGSG and $c \\hbar$ should be legalized.",
    "arxiv_id": "physics/0407099",
    "authors": [
      "L. B. Okun"
    ],
    "categories": [
      "physics.class-ph",
      "physics.gen-ph"
    ],
    "title": "SI, CGSG, and ch units: metrology and special relativity",
    "url": "https://arxiv.org/abs/physics/0407099"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "a441889b-8c7b-47d8-8ab7-e2b879036d38",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}