{
  "annotation_id": "fa40802d-d4d8-4d69-bb7b-001d13bdafb1",
  "date_created": "2026-03-02T18:01:21.405000Z",
  "date_modified": "2026-03-02T18:01:21.405000Z",
  "file_hash": "1ed340b0b910ffb3a655ab8d0a4c55367b4014c638de51d32096d80eaf4795e3",
  "private": false,
  "record": {
    "abstract": "The purpose of this paper is to make clear the difference between rigid and\nundeformable bodies in Relativity. The error of confusing these two concepts\nhas survived up to the present day treatises. We hope it will not persist in\nthe XXI century treatises. The large majority of relativists do not know the\nformulae for the relativistic elasticity of rigid bodies (Mc Crea 1952,Brotas\n1968). The paradoxes of the rotating disk and of the 3-degrees of freedom of\nrigidies bodies in Relativity are in the domain of relativistic elasticity.",
    "arxiv_id": "physics/9705003",
    "authors": [
      "A. Brotas"
    ],
    "categories": [
      "physics.ed-ph"
    ],
    "title": "A Elasticidade Relativista",
    "url": "https://arxiv.org/abs/physics/9705003"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "37a4f9f8-bac9-469a-af16-0cd8f784a714",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}