{
  "annotation_id": "fb65a5ed-47be-42f6-97d8-1731cfa5c9d4",
  "date_created": "2026-03-02T18:01:17.812000Z",
  "date_modified": "2026-03-02T18:01:17.812000Z",
  "file_hash": "dc94456780c0eb3c681ab403f15232f33df5aee7a493d2246e44093b73e4e729",
  "private": false,
  "record": {
    "abstract": "The choice of the 4-velocity in the relativistic hydrodynamics proposed by\nLandau and Lifshitz is demonstrated to be the only one satisfying all general\nprinciples. Especially the far more widely adopted Eckart choice has to be\nabandoned.",
    "arxiv_id": "physics/9610014",
    "authors": [
      "Peter Kostaedt",
      "Mario Liu"
    ],
    "categories": [
      "physics.flu-dyn",
      "astro-ph"
    ],
    "title": "Uniqueness in Relativistic Hydrodynamics",
    "url": "https://arxiv.org/abs/physics/9610014"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "66d11cf1-d156-4dec-9b87-1d006847a921",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}