{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:JWJMUD4XNODQKEOYUYAFODLR6L","short_pith_number":"pith:JWJMUD4X","schema_version":"1.0","canonical_sha256":"4d92ca0f976b870511d8a600570d71f2f543a4ea5bd82f77dd79abb4e8ab95ff","source":{"kind":"arxiv","id":"1403.0081","version":2},"attestation_state":"computed","paper":{"title":"Observational constraints on models of the Universe with time variable Gravitational and Cosmological constants along MOG","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"D. Momeni, M. Khurshudyan, M. Raza, N. S. Mazhari, R. Myrzakulov","submitted_at":"2014-03-01T13:23:09Z","abstract_excerpt":"The subject of this paper is to investigate the weak regime covariant scalar-tensor-vector gravity (STVG) theory, known as the MOdified gravity (MOG) theory of gravity. First, we show that the MOG in the absence of scalar fields is converted into $\\Lambda(t),G(t)$ models. Time evolution of the cosmological parameters for a family of viable models have been investigated. Numerical results with the cosmological data have been adjusted. We've introduced a model for dark energy (DE) density and cosmological constant which involves first order derivatives of Hubble parameter. To extend this model, "},"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":"1403.0081","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-03-01T13:23:09Z","cross_cats_sorted":[],"title_canon_sha256":"a51a0cd30fe74c96310e254fca224610a1e64fb55c5c8cd88e7ec66a75d9ad73","abstract_canon_sha256":"a5a331765709bf634dfd3a64928450dd4f3c29fdcb175ca05808acde7034f0db"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:59.739011Z","signature_b64":"pkbrQuZ9vdsFfJs6QW8zyQ3LcT6jGvG/f4BxjOh67maKMLKZXQzqjtvNj6GJWGWSrOr2uJJSYsE7vRQJk4mmAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d92ca0f976b870511d8a600570d71f2f543a4ea5bd82f77dd79abb4e8ab95ff","last_reissued_at":"2026-05-18T00:03:59.738303Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:59.738303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observational constraints on models of the Universe with time variable Gravitational and Cosmological constants along MOG","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"D. Momeni, M. Khurshudyan, M. Raza, N. S. Mazhari, R. Myrzakulov","submitted_at":"2014-03-01T13:23:09Z","abstract_excerpt":"The subject of this paper is to investigate the weak regime covariant scalar-tensor-vector gravity (STVG) theory, known as the MOdified gravity (MOG) theory of gravity. First, we show that the MOG in the absence of scalar fields is converted into $\\Lambda(t),G(t)$ models. Time evolution of the cosmological parameters for a family of viable models have been investigated. Numerical results with the cosmological data have been adjusted. We've introduced a model for dark energy (DE) density and cosmological constant which involves first order derivatives of Hubble parameter. To extend this model, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.0081","kind":"arxiv","version":2},"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":"1403.0081","created_at":"2026-05-18T00:03:59.738430+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.0081v2","created_at":"2026-05-18T00:03:59.738430+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.0081","created_at":"2026-05-18T00:03:59.738430+00:00"},{"alias_kind":"pith_short_12","alias_value":"JWJMUD4XNODQ","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_16","alias_value":"JWJMUD4XNODQKEOY","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_8","alias_value":"JWJMUD4X","created_at":"2026-05-18T12:28:35.611951+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/JWJMUD4XNODQKEOYUYAFODLR6L","json":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L.json","graph_json":"https://pith.science/api/pith-number/JWJMUD4XNODQKEOYUYAFODLR6L/graph.json","events_json":"https://pith.science/api/pith-number/JWJMUD4XNODQKEOYUYAFODLR6L/events.json","paper":"https://pith.science/paper/JWJMUD4X"},"agent_actions":{"view_html":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L","download_json":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L.json","view_paper":"https://pith.science/paper/JWJMUD4X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.0081&json=true","fetch_graph":"https://pith.science/api/pith-number/JWJMUD4XNODQKEOYUYAFODLR6L/graph.json","fetch_events":"https://pith.science/api/pith-number/JWJMUD4XNODQKEOYUYAFODLR6L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L/action/storage_attestation","attest_author":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L/action/author_attestation","sign_citation":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L/action/citation_signature","submit_replication":"https://pith.science/pith/JWJMUD4XNODQKEOYUYAFODLR6L/action/replication_record"}},"created_at":"2026-05-18T00:03:59.738430+00:00","updated_at":"2026-05-18T00:03:59.738430+00:00"}