{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:7XHMMUN733ULHCCQSGQIB2H2M7","short_pith_number":"pith:7XHMMUN7","schema_version":"1.0","canonical_sha256":"fdcec651bfdee8b3885091a080e8fa67d687ff9e7f4d7a41ec1693953592e7c2","source":{"kind":"arxiv","id":"1707.01360","version":1},"attestation_state":"computed","paper":{"title":"The simplest non-minimal matter-geometry coupling in the $f(R,T)$ cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"P.H.R.S. Moraes, P.K. Sahoo","submitted_at":"2017-07-03T18:38:05Z","abstract_excerpt":"The $f(R,T)$ gravity is an extended theory of gravity in which the gravitational action contains general terms of both the Ricci scalar $R$ and trace of the energy-momentum tensor $T$. In this way, $f(R,T)$ models are capable of describing a non-minimal coupling between geometry (through terms in $R$) and matter (through terms in $T$). In this article we construct a cosmological model from the simplest non-minimal matter-geometry coupling within the $f(R,T)$ gravity formalism, by means of an effective energy-momentum tensor, given by the sum of the usual matter energy-momentum tensor with a da"},"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":"1707.01360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-07-03T18:38:05Z","cross_cats_sorted":[],"title_canon_sha256":"1bdc8fd215bd060cacf24b091698f414bbd2658807ebc8840123a87d498ff4bc","abstract_canon_sha256":"c79fad8788140eac37ef38181f5f6968d6989c5ee150f8ee6cb3d217a706c0ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:58.006435Z","signature_b64":"4kswT7xvS40Nzl4hyAacXE8smXgAiTMW8tw8F3XiQLGjkCWpZo45e4H4Q1AA1giGOrRqcSl/QmMVsIKngLxHBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fdcec651bfdee8b3885091a080e8fa67d687ff9e7f4d7a41ec1693953592e7c2","last_reissued_at":"2026-05-18T00:39:58.005759Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:58.005759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The simplest non-minimal matter-geometry coupling in the $f(R,T)$ cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"P.H.R.S. Moraes, P.K. Sahoo","submitted_at":"2017-07-03T18:38:05Z","abstract_excerpt":"The $f(R,T)$ gravity is an extended theory of gravity in which the gravitational action contains general terms of both the Ricci scalar $R$ and trace of the energy-momentum tensor $T$. In this way, $f(R,T)$ models are capable of describing a non-minimal coupling between geometry (through terms in $R$) and matter (through terms in $T$). In this article we construct a cosmological model from the simplest non-minimal matter-geometry coupling within the $f(R,T)$ gravity formalism, by means of an effective energy-momentum tensor, given by the sum of the usual matter energy-momentum tensor with a da"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.01360","kind":"arxiv","version":1},"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":"1707.01360","created_at":"2026-05-18T00:39:58.005881+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.01360v1","created_at":"2026-05-18T00:39:58.005881+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.01360","created_at":"2026-05-18T00:39:58.005881+00:00"},{"alias_kind":"pith_short_12","alias_value":"7XHMMUN733UL","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"7XHMMUN733ULHCCQ","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"7XHMMUN7","created_at":"2026-05-18T12:31:05.417338+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/7XHMMUN733ULHCCQSGQIB2H2M7","json":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7.json","graph_json":"https://pith.science/api/pith-number/7XHMMUN733ULHCCQSGQIB2H2M7/graph.json","events_json":"https://pith.science/api/pith-number/7XHMMUN733ULHCCQSGQIB2H2M7/events.json","paper":"https://pith.science/paper/7XHMMUN7"},"agent_actions":{"view_html":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7","download_json":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7.json","view_paper":"https://pith.science/paper/7XHMMUN7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.01360&json=true","fetch_graph":"https://pith.science/api/pith-number/7XHMMUN733ULHCCQSGQIB2H2M7/graph.json","fetch_events":"https://pith.science/api/pith-number/7XHMMUN733ULHCCQSGQIB2H2M7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7/action/storage_attestation","attest_author":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7/action/author_attestation","sign_citation":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7/action/citation_signature","submit_replication":"https://pith.science/pith/7XHMMUN733ULHCCQSGQIB2H2M7/action/replication_record"}},"created_at":"2026-05-18T00:39:58.005881+00:00","updated_at":"2026-05-18T00:39:58.005881+00:00"}