{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4PRKPFBKIPXFLL7BD2QUM3DIRC","short_pith_number":"pith:4PRKPFBK","schema_version":"1.0","canonical_sha256":"e3e2a7942a43ee55afe11ea1466c6888bc79d55d61b5aa611eedf20910d74137","source":{"kind":"arxiv","id":"1806.04123","version":4},"attestation_state":"computed","paper":{"title":"Compact Astrophysical Objects in $f(R,T)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"E. Otoniel, G.A. Carvalho, J.D.V. Arba\\~nil, M. Malheiro, P.H.R.S. Moraes, R.M. Marinho Jr., R.V. Lobato","submitted_at":"2018-06-11T17:44:23Z","abstract_excerpt":"In this article we study the hydrostatic equilibrium configuration of neutron stars (NSs) and strange stars (SSs), whose fluid pressure is computed from the equations of state $p=\\omega\\rho^{5/3}$ and $p=0.28(\\rho-4{\\cal B})$, respectively, with $\\omega$ and ${\\cal B}$ being constants and $\\rho$ the energy density of the fluid. We also study white dwarfs (WDs) equilibrium configurations. We start by deriving the hydrostatic equilibrium equation for the $f(R,T)$ theory of gravity, with $R$ and $T$ standing for the Ricci scalar and trace of the energy-momentum tensor, respectively. Such an equat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1806.04123","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-11T17:44:23Z","cross_cats_sorted":[],"title_canon_sha256":"71dfabc5a920db2da7910aa4aff0fe8a30506a1be024671445be8197265ff429","abstract_canon_sha256":"e90d53ed07ebee3661c23af9808222173b919f02102a72ac12b66090b87df131"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:58.189261Z","signature_b64":"udOJKwfqF9LkiWSijjgFZqMI1xOARSP41w6SF0rzvH9HmlDEDRAqqexDsPgpozQX1sQpKOCdTZnPHqoWPiFvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3e2a7942a43ee55afe11ea1466c6888bc79d55d61b5aa611eedf20910d74137","last_reissued_at":"2026-05-18T00:07:58.188593Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:58.188593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Compact Astrophysical Objects in $f(R,T)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"E. Otoniel, G.A. Carvalho, J.D.V. Arba\\~nil, M. Malheiro, P.H.R.S. Moraes, R.M. Marinho Jr., R.V. Lobato","submitted_at":"2018-06-11T17:44:23Z","abstract_excerpt":"In this article we study the hydrostatic equilibrium configuration of neutron stars (NSs) and strange stars (SSs), whose fluid pressure is computed from the equations of state $p=\\omega\\rho^{5/3}$ and $p=0.28(\\rho-4{\\cal B})$, respectively, with $\\omega$ and ${\\cal B}$ being constants and $\\rho$ the energy density of the fluid. We also study white dwarfs (WDs) equilibrium configurations. We start by deriving the hydrostatic equilibrium equation for the $f(R,T)$ theory of gravity, with $R$ and $T$ standing for the Ricci scalar and trace of the energy-momentum tensor, respectively. Such an equat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04123","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1806.04123","created_at":"2026-05-18T00:07:58.188702+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.04123v4","created_at":"2026-05-18T00:07:58.188702+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04123","created_at":"2026-05-18T00:07:58.188702+00:00"},{"alias_kind":"pith_short_12","alias_value":"4PRKPFBKIPXF","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4PRKPFBKIPXFLL7B","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4PRKPFBK","created_at":"2026-05-18T12:32:05.422762+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC","json":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC.json","graph_json":"https://pith.science/api/pith-number/4PRKPFBKIPXFLL7BD2QUM3DIRC/graph.json","events_json":"https://pith.science/api/pith-number/4PRKPFBKIPXFLL7BD2QUM3DIRC/events.json","paper":"https://pith.science/paper/4PRKPFBK"},"agent_actions":{"view_html":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC","download_json":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC.json","view_paper":"https://pith.science/paper/4PRKPFBK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.04123&json=true","fetch_graph":"https://pith.science/api/pith-number/4PRKPFBKIPXFLL7BD2QUM3DIRC/graph.json","fetch_events":"https://pith.science/api/pith-number/4PRKPFBKIPXFLL7BD2QUM3DIRC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC/action/storage_attestation","attest_author":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC/action/author_attestation","sign_citation":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC/action/citation_signature","submit_replication":"https://pith.science/pith/4PRKPFBKIPXFLL7BD2QUM3DIRC/action/replication_record"}},"created_at":"2026-05-18T00:07:58.188702+00:00","updated_at":"2026-05-18T00:07:58.188702+00:00"}