{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:TLUR2UCD7GGLR5SZBJOUTAESKN","short_pith_number":"pith:TLUR2UCD","schema_version":"1.0","canonical_sha256":"9ae91d5043f98cb8f6590a5d498092534c8979192f5ca1cd3f04c124398472f8","source":{"kind":"arxiv","id":"2207.13195","version":1},"attestation_state":"computed","paper":{"title":"Brans-Dicke unimodular gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Alexandre M.R. Almeida, Hermano Velten, J\\'ulio C. Fabris, Mahamadou Hamani Daouda, Richard Kerner, Wiliam S. Hip\\'olito-Ricaldi","submitted_at":"2022-07-26T21:59:48Z","abstract_excerpt":"We propose a unimodular version of the Brans-Dicke theory designed with a constrained Lagrangian formulation. The resulting field equations are traceless. The vacuum solutions in the cosmological background reproduce the corresponding solutions of the usual Brans-Dicke theory but with a cosmological constant term. A perturbative analysis of the scalar modes is performed and stable and unstable configurations appear in contrast with the Brans-Dicke case for which only stable configurations occur. On the other hand, tensorial modes in this theory remains the same as in the traditional Brans-Dick"},"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":"2207.13195","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-07-26T21:59:48Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"939506e6f8f63c7454a2d599b186899b6da5a3ccb272ad157879a6b8d361902b","abstract_canon_sha256":"ea881763e20ec8e33b6210ef31f03c4bbb5463cb18440ea6d3b790119715a375"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:44:04.018768Z","signature_b64":"SDYq84V43MdGdQPso6JjVD4mhj7BuaaDZ4zH/zx0CfH+ptIpCCA1VyS8G4Avba1Coce6rns6up0M0t+xqTr3AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ae91d5043f98cb8f6590a5d498092534c8979192f5ca1cd3f04c124398472f8","last_reissued_at":"2026-07-05T04:44:04.018359Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:44:04.018359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Brans-Dicke unimodular gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Alexandre M.R. Almeida, Hermano Velten, J\\'ulio C. Fabris, Mahamadou Hamani Daouda, Richard Kerner, Wiliam S. Hip\\'olito-Ricaldi","submitted_at":"2022-07-26T21:59:48Z","abstract_excerpt":"We propose a unimodular version of the Brans-Dicke theory designed with a constrained Lagrangian formulation. The resulting field equations are traceless. The vacuum solutions in the cosmological background reproduce the corresponding solutions of the usual Brans-Dicke theory but with a cosmological constant term. A perturbative analysis of the scalar modes is performed and stable and unstable configurations appear in contrast with the Brans-Dicke case for which only stable configurations occur. On the other hand, tensorial modes in this theory remains the same as in the traditional Brans-Dick"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.13195","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.13195/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2207.13195","created_at":"2026-07-05T04:44:04.018416+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.13195v1","created_at":"2026-07-05T04:44:04.018416+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.13195","created_at":"2026-07-05T04:44:04.018416+00:00"},{"alias_kind":"pith_short_12","alias_value":"TLUR2UCD7GGL","created_at":"2026-07-05T04:44:04.018416+00:00"},{"alias_kind":"pith_short_16","alias_value":"TLUR2UCD7GGLR5SZ","created_at":"2026-07-05T04:44:04.018416+00:00"},{"alias_kind":"pith_short_8","alias_value":"TLUR2UCD","created_at":"2026-07-05T04:44:04.018416+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/TLUR2UCD7GGLR5SZBJOUTAESKN","json":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN.json","graph_json":"https://pith.science/api/pith-number/TLUR2UCD7GGLR5SZBJOUTAESKN/graph.json","events_json":"https://pith.science/api/pith-number/TLUR2UCD7GGLR5SZBJOUTAESKN/events.json","paper":"https://pith.science/paper/TLUR2UCD"},"agent_actions":{"view_html":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN","download_json":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN.json","view_paper":"https://pith.science/paper/TLUR2UCD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.13195&json=true","fetch_graph":"https://pith.science/api/pith-number/TLUR2UCD7GGLR5SZBJOUTAESKN/graph.json","fetch_events":"https://pith.science/api/pith-number/TLUR2UCD7GGLR5SZBJOUTAESKN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN/action/storage_attestation","attest_author":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN/action/author_attestation","sign_citation":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN/action/citation_signature","submit_replication":"https://pith.science/pith/TLUR2UCD7GGLR5SZBJOUTAESKN/action/replication_record"}},"created_at":"2026-07-05T04:44:04.018416+00:00","updated_at":"2026-07-05T04:44:04.018416+00:00"}