{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UVRSMZI6QN6EZV76V3FO2YNURP","short_pith_number":"pith:UVRSMZI6","schema_version":"1.0","canonical_sha256":"a56326651e837c4cd7feaecaed61b48bc04b2f7c0a441e349cb84caee2b43b86","source":{"kind":"arxiv","id":"1807.07399","version":1},"attestation_state":"computed","paper":{"title":"Energy Constraints and Phenomenon of Cosmic Evolution in $f(T,B)$ Framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Iftikhar Ahmad, M. Atif Fayyaz, M. Zubair, Saira Waheed","submitted_at":"2018-07-10T10:27:21Z","abstract_excerpt":"We investigate the cosmological evolution in a new modified teleparallel theory, called $f(T,B)$ gravity, which is formulated by connecting both $f(T)$ and $f(R)$ theories with a boundary term $B$. Here, $T$ is the torsion scalar in teleparallel gravity and $R$ is the scalar curvature. For this purpose, we assume flat Friedmann-Robertson-Walker (FRW) geometry filled with perfect fluid matter contents. We study two cases in this gravity: One is for a general function of $f(T,B)$, and the other is for a particular form of it given by the term of $-T+F(B)$. We also formulate the general energy co"},"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":"1807.07399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2018-07-10T10:27:21Z","cross_cats_sorted":[],"title_canon_sha256":"62488824ab1ecb5c5ac942a5f2ebc4e57e0e2ebf011d7ff07bf8d988913fb5e7","abstract_canon_sha256":"d3ba2c9ddafe6167f194b5ed7b3775090a31ba28782d630d294face2f4310aaa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:01.759439Z","signature_b64":"T2EAfycvB21MgIfKZUFlPYIrNbdZvS7NEHsaU3/LnHSKJFRtIYagXIr+QIFKtuHoxFGOgN3Jqr66XGltaMzZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a56326651e837c4cd7feaecaed61b48bc04b2f7c0a441e349cb84caee2b43b86","last_reissued_at":"2026-05-18T00:01:01.758896Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:01.758896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Energy Constraints and Phenomenon of Cosmic Evolution in $f(T,B)$ Framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Iftikhar Ahmad, M. Atif Fayyaz, M. Zubair, Saira Waheed","submitted_at":"2018-07-10T10:27:21Z","abstract_excerpt":"We investigate the cosmological evolution in a new modified teleparallel theory, called $f(T,B)$ gravity, which is formulated by connecting both $f(T)$ and $f(R)$ theories with a boundary term $B$. Here, $T$ is the torsion scalar in teleparallel gravity and $R$ is the scalar curvature. For this purpose, we assume flat Friedmann-Robertson-Walker (FRW) geometry filled with perfect fluid matter contents. We study two cases in this gravity: One is for a general function of $f(T,B)$, and the other is for a particular form of it given by the term of $-T+F(B)$. We also formulate the general energy co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.07399","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":"1807.07399","created_at":"2026-05-18T00:01:01.758976+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.07399v1","created_at":"2026-05-18T00:01:01.758976+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.07399","created_at":"2026-05-18T00:01:01.758976+00:00"},{"alias_kind":"pith_short_12","alias_value":"UVRSMZI6QN6E","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UVRSMZI6QN6EZV76","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UVRSMZI6","created_at":"2026-05-18T12:32:56.356000+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/UVRSMZI6QN6EZV76V3FO2YNURP","json":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP.json","graph_json":"https://pith.science/api/pith-number/UVRSMZI6QN6EZV76V3FO2YNURP/graph.json","events_json":"https://pith.science/api/pith-number/UVRSMZI6QN6EZV76V3FO2YNURP/events.json","paper":"https://pith.science/paper/UVRSMZI6"},"agent_actions":{"view_html":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP","download_json":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP.json","view_paper":"https://pith.science/paper/UVRSMZI6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.07399&json=true","fetch_graph":"https://pith.science/api/pith-number/UVRSMZI6QN6EZV76V3FO2YNURP/graph.json","fetch_events":"https://pith.science/api/pith-number/UVRSMZI6QN6EZV76V3FO2YNURP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP/action/storage_attestation","attest_author":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP/action/author_attestation","sign_citation":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP/action/citation_signature","submit_replication":"https://pith.science/pith/UVRSMZI6QN6EZV76V3FO2YNURP/action/replication_record"}},"created_at":"2026-05-18T00:01:01.758976+00:00","updated_at":"2026-05-18T00:01:01.758976+00:00"}