{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:ZFK2TKDL44YY2URM7CKNO4CSLF","short_pith_number":"pith:ZFK2TKDL","schema_version":"1.0","canonical_sha256":"c955a9a86be7318d522cf894d77052597d477d2942f136ced5905cf91c77a006","source":{"kind":"arxiv","id":"2410.03620","version":2},"attestation_state":"computed","paper":{"title":"Time-Reversal Symmetry in RDMFT and pCCD with Complex-Valued Orbitals","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Fabien Bruneval, Lucas Visscher, Mauricio Rodr\\'iguez-Mayorga, Pierre-Fran\\c{c}ois Loos","submitted_at":"2024-10-04T17:22:03Z","abstract_excerpt":"Reduced density matrix functional theory (RDMFT) and coupled cluster theory restricted to paired double excitations (pCCD) are emerging as efficient methodologies for accounting for the so-called non-dynamic electronic correlation effects. Up to now, molecular calculations have been performed with real-valued orbitals. However, before extending the applicability of these methodologies to extended systems, where Bloch states are employed, the subtleties of working with complex-valued orbitals and the consequences of imposing time-reversal symmetry must be carefully addressed. In this work, we d"},"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":"2410.03620","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-10-04T17:22:03Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"c93000a22d5b7ab472bca63bba032a7c8ba3865b5f1432aca7a9c1f864f204aa","abstract_canon_sha256":"4a46f2b26d07f042aaa5efdfc25a4dc601104f8b9e727eb68d92889877ed8c8f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:48:19.841223Z","signature_b64":"2+dxC/6KTlkqZViSxVWsw6PAY1M8uYqq4Dkpr89mge6sUBPg7KIFP5uIbniCY9/Ju0yEe+7MuVlT+ajxCyXZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c955a9a86be7318d522cf894d77052597d477d2942f136ced5905cf91c77a006","last_reissued_at":"2026-07-05T10:48:19.840751Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:48:19.840751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-Reversal Symmetry in RDMFT and pCCD with Complex-Valued Orbitals","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Fabien Bruneval, Lucas Visscher, Mauricio Rodr\\'iguez-Mayorga, Pierre-Fran\\c{c}ois Loos","submitted_at":"2024-10-04T17:22:03Z","abstract_excerpt":"Reduced density matrix functional theory (RDMFT) and coupled cluster theory restricted to paired double excitations (pCCD) are emerging as efficient methodologies for accounting for the so-called non-dynamic electronic correlation effects. Up to now, molecular calculations have been performed with real-valued orbitals. However, before extending the applicability of these methodologies to extended systems, where Bloch states are employed, the subtleties of working with complex-valued orbitals and the consequences of imposing time-reversal symmetry must be carefully addressed. In this work, we d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.03620","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.03620/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":"2410.03620","created_at":"2026-07-05T10:48:19.840805+00:00"},{"alias_kind":"arxiv_version","alias_value":"2410.03620v2","created_at":"2026-07-05T10:48:19.840805+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.03620","created_at":"2026-07-05T10:48:19.840805+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZFK2TKDL44YY","created_at":"2026-07-05T10:48:19.840805+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZFK2TKDL44YY2URM","created_at":"2026-07-05T10:48:19.840805+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZFK2TKDL","created_at":"2026-07-05T10:48:19.840805+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.01786","citing_title":"Enhancing the Computational Efficiency of the DoNOF Program through a New Orbital Sorting Scheme","ref_index":47,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF","json":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF.json","graph_json":"https://pith.science/api/pith-number/ZFK2TKDL44YY2URM7CKNO4CSLF/graph.json","events_json":"https://pith.science/api/pith-number/ZFK2TKDL44YY2URM7CKNO4CSLF/events.json","paper":"https://pith.science/paper/ZFK2TKDL"},"agent_actions":{"view_html":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF","download_json":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF.json","view_paper":"https://pith.science/paper/ZFK2TKDL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2410.03620&json=true","fetch_graph":"https://pith.science/api/pith-number/ZFK2TKDL44YY2URM7CKNO4CSLF/graph.json","fetch_events":"https://pith.science/api/pith-number/ZFK2TKDL44YY2URM7CKNO4CSLF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF/action/storage_attestation","attest_author":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF/action/author_attestation","sign_citation":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF/action/citation_signature","submit_replication":"https://pith.science/pith/ZFK2TKDL44YY2URM7CKNO4CSLF/action/replication_record"}},"created_at":"2026-07-05T10:48:19.840805+00:00","updated_at":"2026-07-05T10:48:19.840805+00:00"}