{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:P4DFYPWWWT7LF2FKTBSKEZKAC7","short_pith_number":"pith:P4DFYPWW","schema_version":"1.0","canonical_sha256":"7f065c3ed6b4feb2e8aa9864a2654017e0fa0a40321b30da7931c97d178fde42","source":{"kind":"arxiv","id":"1604.08039","version":1},"attestation_state":"computed","paper":{"title":"A Study of Cosmic Expansion Generated by Non-conservation of Matter in the Framework of Brans-Dicke Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Mohsin Islam, Sudipto Roy","submitted_at":"2016-04-25T20:00:11Z","abstract_excerpt":"The present study, on the expansion of universe, is based on an assumption regarding the possibility of inter-conversion between matter and dark energy, through some interaction of matter with the scalar field in the framework of Brans-Dicke theory. The field equations for a spatially flat space-time have been solved using an empirical dependence of scalar field parameter upon the scale factor. To represent the behaviour regarding the non-conservation of matter, a function, expressed in terms of the Hubble parameter, has been empirically incorporated into the field equations. Their solution sh"},"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":"1604.08039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-04-25T20:00:11Z","cross_cats_sorted":[],"title_canon_sha256":"bbcaded3c20b68386279095417dcf8b7a7e90ad9cf280ef24ecaa0bb9b625483","abstract_canon_sha256":"4f38274f292206a8a20bf5a2ac4f412f5d588d5039101fe7ac203ff97e8e1b95"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:22.659523Z","signature_b64":"oZ6qQ4zBqGc0r+6Y29mR39LJAcaNkYT/sVC5XEncGGd/coULJ6us+pSADxrez9knH9+Jjua+eBaTLtxhd5GxAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f065c3ed6b4feb2e8aa9864a2654017e0fa0a40321b30da7931c97d178fde42","last_reissued_at":"2026-05-18T00:31:22.659092Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:22.659092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Study of Cosmic Expansion Generated by Non-conservation of Matter in the Framework of Brans-Dicke Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Mohsin Islam, Sudipto Roy","submitted_at":"2016-04-25T20:00:11Z","abstract_excerpt":"The present study, on the expansion of universe, is based on an assumption regarding the possibility of inter-conversion between matter and dark energy, through some interaction of matter with the scalar field in the framework of Brans-Dicke theory. The field equations for a spatially flat space-time have been solved using an empirical dependence of scalar field parameter upon the scale factor. To represent the behaviour regarding the non-conservation of matter, a function, expressed in terms of the Hubble parameter, has been empirically incorporated into the field equations. Their solution sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.08039","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":"1604.08039","created_at":"2026-05-18T00:31:22.659156+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.08039v1","created_at":"2026-05-18T00:31:22.659156+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.08039","created_at":"2026-05-18T00:31:22.659156+00:00"},{"alias_kind":"pith_short_12","alias_value":"P4DFYPWWWT7L","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"P4DFYPWWWT7LF2FK","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"P4DFYPWW","created_at":"2026-05-18T12:30:36.002864+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/P4DFYPWWWT7LF2FKTBSKEZKAC7","json":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7.json","graph_json":"https://pith.science/api/pith-number/P4DFYPWWWT7LF2FKTBSKEZKAC7/graph.json","events_json":"https://pith.science/api/pith-number/P4DFYPWWWT7LF2FKTBSKEZKAC7/events.json","paper":"https://pith.science/paper/P4DFYPWW"},"agent_actions":{"view_html":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7","download_json":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7.json","view_paper":"https://pith.science/paper/P4DFYPWW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.08039&json=true","fetch_graph":"https://pith.science/api/pith-number/P4DFYPWWWT7LF2FKTBSKEZKAC7/graph.json","fetch_events":"https://pith.science/api/pith-number/P4DFYPWWWT7LF2FKTBSKEZKAC7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7/action/storage_attestation","attest_author":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7/action/author_attestation","sign_citation":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7/action/citation_signature","submit_replication":"https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7/action/replication_record"}},"created_at":"2026-05-18T00:31:22.659156+00:00","updated_at":"2026-05-18T00:31:22.659156+00:00"}