{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OEVNTZ7CIVRKFFSZONXKDFRKDL","short_pith_number":"pith:OEVNTZ7C","schema_version":"1.0","canonical_sha256":"712ad9e7e24562a29659736ea1962a1ac4253722bbc6f0f97b0e9f8e371512ae","source":{"kind":"arxiv","id":"1804.02141","version":3},"attestation_state":"computed","paper":{"title":"Linear-response density cumulant theory for excited electronic states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Alexander Yu. Sokolov, Andreas V. Copan","submitted_at":"2018-04-06T06:01:45Z","abstract_excerpt":"We present a linear-response formulation of density cumulant theory (DCT) that provides a balanced and accurate description of many electronic states simultaneously. In the original DCT formulation, only information about a single electronic state (usually, the ground state) is obtained. We discuss the derivation of linear-response DCT, present its implementation for the ODC-12 method (LR-ODC-12), and benchmark its performance for excitation energies in small molecules (N$_2$, CO, HCN, HNC, C$_2$H$_2$, and H$_2$CO), as well as challenging excited states in ethylene, butadiene, and hexatriene. "},"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":"1804.02141","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-04-06T06:01:45Z","cross_cats_sorted":[],"title_canon_sha256":"77edb702d53706c62e38c59f25f38dd44bc8a3aea1404341b2af10fda9d9ffe4","abstract_canon_sha256":"a856c9102899acf21f67376b9f6f5f2fcf2f7b49c593d8289a4fd6ac155980a4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:20.378926Z","signature_b64":"zV3BVkKQNSeCEUL+LhhT/dV/tZdz3xb3QB0x8R0S5jGrCHB0R+ZA5hg5up7XeOqYZHp/MPVgSrOxZjTg+8yHBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"712ad9e7e24562a29659736ea1962a1ac4253722bbc6f0f97b0e9f8e371512ae","last_reissued_at":"2026-05-18T00:06:20.378447Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:20.378447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Linear-response density cumulant theory for excited electronic states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Alexander Yu. Sokolov, Andreas V. Copan","submitted_at":"2018-04-06T06:01:45Z","abstract_excerpt":"We present a linear-response formulation of density cumulant theory (DCT) that provides a balanced and accurate description of many electronic states simultaneously. In the original DCT formulation, only information about a single electronic state (usually, the ground state) is obtained. We discuss the derivation of linear-response DCT, present its implementation for the ODC-12 method (LR-ODC-12), and benchmark its performance for excitation energies in small molecules (N$_2$, CO, HCN, HNC, C$_2$H$_2$, and H$_2$CO), as well as challenging excited states in ethylene, butadiene, and hexatriene. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02141","kind":"arxiv","version":3},"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":"1804.02141","created_at":"2026-05-18T00:06:20.378533+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.02141v3","created_at":"2026-05-18T00:06:20.378533+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02141","created_at":"2026-05-18T00:06:20.378533+00:00"},{"alias_kind":"pith_short_12","alias_value":"OEVNTZ7CIVRK","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OEVNTZ7CIVRKFFSZ","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OEVNTZ7C","created_at":"2026-05-18T12:32:43.782077+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/OEVNTZ7CIVRKFFSZONXKDFRKDL","json":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL.json","graph_json":"https://pith.science/api/pith-number/OEVNTZ7CIVRKFFSZONXKDFRKDL/graph.json","events_json":"https://pith.science/api/pith-number/OEVNTZ7CIVRKFFSZONXKDFRKDL/events.json","paper":"https://pith.science/paper/OEVNTZ7C"},"agent_actions":{"view_html":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL","download_json":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL.json","view_paper":"https://pith.science/paper/OEVNTZ7C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.02141&json=true","fetch_graph":"https://pith.science/api/pith-number/OEVNTZ7CIVRKFFSZONXKDFRKDL/graph.json","fetch_events":"https://pith.science/api/pith-number/OEVNTZ7CIVRKFFSZONXKDFRKDL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL/action/storage_attestation","attest_author":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL/action/author_attestation","sign_citation":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL/action/citation_signature","submit_replication":"https://pith.science/pith/OEVNTZ7CIVRKFFSZONXKDFRKDL/action/replication_record"}},"created_at":"2026-05-18T00:06:20.378533+00:00","updated_at":"2026-05-18T00:06:20.378533+00:00"}