{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:AYPRMK6LVWY3CRWYYG7ZVGJH7I","short_pith_number":"pith:AYPRMK6L","schema_version":"1.0","canonical_sha256":"061f162bcbadb1b146d8c1bf9a9927fa329072556d44c9369c980729ce43d9e4","source":{"kind":"arxiv","id":"1708.07874","version":6},"attestation_state":"computed","paper":{"title":"Bouncing cosmological solutions from f(R,T) gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Amir Hadi Ziaie, Hamid Shabani","submitted_at":"2017-08-25T20:17:49Z","abstract_excerpt":"In this work we study classical bouncing solutions in the context of $f({\\sf R},{\\sf T})={\\sf R}+h({\\sf T})$ gravity in a flat {\\sf FLRW} background using a perfect fluid as the only matter content. Our investigation is based on introducing an effective fluid through defining effective energy density and pressure; we call this reformulation as the \"effective picture\". These definitions have been already introduced to study the energy conditions in $f({\\sf R},{\\sf T})$ gravity. We examine various models to which different effective equations of state, corresponding to different $h({\\sf T})$ fun"},"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":"1708.07874","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-08-25T20:17:49Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"41ac457001ae01f677a9773d59403bc2b9ce1ed8b4830f18aae420271571f9e0","abstract_canon_sha256":"d9a1bf916d75db450556a9783fdb9574ee6ef0b3a88343516c8718bfe69083ea"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:22.346987Z","signature_b64":"38PFX+mVSXELXwm3M3Pr23IbYoX7XYfagbn5QSwAsQNulLP6J10GQfRyW60IftdqAVkU1YWlVBSqKsvMcdj6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"061f162bcbadb1b146d8c1bf9a9927fa329072556d44c9369c980729ce43d9e4","last_reissued_at":"2026-05-18T00:14:22.346465Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:22.346465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bouncing cosmological solutions from f(R,T) gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Amir Hadi Ziaie, Hamid Shabani","submitted_at":"2017-08-25T20:17:49Z","abstract_excerpt":"In this work we study classical bouncing solutions in the context of $f({\\sf R},{\\sf T})={\\sf R}+h({\\sf T})$ gravity in a flat {\\sf FLRW} background using a perfect fluid as the only matter content. Our investigation is based on introducing an effective fluid through defining effective energy density and pressure; we call this reformulation as the \"effective picture\". These definitions have been already introduced to study the energy conditions in $f({\\sf R},{\\sf T})$ gravity. We examine various models to which different effective equations of state, corresponding to different $h({\\sf T})$ fun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07874","kind":"arxiv","version":6},"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":"1708.07874","created_at":"2026-05-18T00:14:22.346535+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.07874v6","created_at":"2026-05-18T00:14:22.346535+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07874","created_at":"2026-05-18T00:14:22.346535+00:00"},{"alias_kind":"pith_short_12","alias_value":"AYPRMK6LVWY3","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"AYPRMK6LVWY3CRWY","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"AYPRMK6L","created_at":"2026-05-18T12:31:08.081275+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/AYPRMK6LVWY3CRWYYG7ZVGJH7I","json":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I.json","graph_json":"https://pith.science/api/pith-number/AYPRMK6LVWY3CRWYYG7ZVGJH7I/graph.json","events_json":"https://pith.science/api/pith-number/AYPRMK6LVWY3CRWYYG7ZVGJH7I/events.json","paper":"https://pith.science/paper/AYPRMK6L"},"agent_actions":{"view_html":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I","download_json":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I.json","view_paper":"https://pith.science/paper/AYPRMK6L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.07874&json=true","fetch_graph":"https://pith.science/api/pith-number/AYPRMK6LVWY3CRWYYG7ZVGJH7I/graph.json","fetch_events":"https://pith.science/api/pith-number/AYPRMK6LVWY3CRWYYG7ZVGJH7I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I/action/storage_attestation","attest_author":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I/action/author_attestation","sign_citation":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I/action/citation_signature","submit_replication":"https://pith.science/pith/AYPRMK6LVWY3CRWYYG7ZVGJH7I/action/replication_record"}},"created_at":"2026-05-18T00:14:22.346535+00:00","updated_at":"2026-05-18T00:14:22.346535+00:00"}