{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:R6XCCUDWXQXCLHW6JBK5GKD5HN","short_pith_number":"pith:R6XCCUDW","schema_version":"1.0","canonical_sha256":"8fae215076bc2e259ede4855d3287d3b6010c73d528efdec02b400ea7f9316cc","source":{"kind":"arxiv","id":"2410.22990","version":2},"attestation_state":"computed","paper":{"title":"Generalized many-body perturbation theory for the electron correlation energy: multi-reference random phase approximation via diagrammatic resummation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el","physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Wei-Hai Fang, Yuqi Wang, Zhendong Li","submitted_at":"2024-10-30T13:08:57Z","abstract_excerpt":"Many-body perturbation theory (MBPT) based on Green's functions and Feynman diagrams provides a fundamental theoretical framework for various \\emph{ab initio} computational approaches in molecular and materials science, including the random phase approximation (RPA) and $GW$ approximation. Unfortunately, this perturbation expansion often fails in systems with strong multi-reference characters. Extending diagrammatic MBPT to the multi-reference case is highly nontrivial and remains largely unexplored, primarily due to the breakdown of Wick's theorem. In this work, we develop a diagrammatic mult"},"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":"2410.22990","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-10-30T13:08:57Z","cross_cats_sorted":["cond-mat.str-el","physics.chem-ph"],"title_canon_sha256":"175de5b431de5eb32d6ec08a0b20d0055bd97a0d734c093f8e41caff817a75e1","abstract_canon_sha256":"bcc18134f09624422201feccebbe53075ebbcf6aec3abd1fc0bb6c9ff1f1024e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:34:12.093619Z","signature_b64":"ewxDRIg1xPcxT9aYbmLIySkd77BJObDxS11u/pQ9osXvnjvonh9iXZ5c4SAl9horS487Byjg114EYT5+VFFzAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fae215076bc2e259ede4855d3287d3b6010c73d528efdec02b400ea7f9316cc","last_reissued_at":"2026-07-05T10:34:12.093083Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:34:12.093083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generalized many-body perturbation theory for the electron correlation energy: multi-reference random phase approximation via diagrammatic resummation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el","physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Wei-Hai Fang, Yuqi Wang, Zhendong Li","submitted_at":"2024-10-30T13:08:57Z","abstract_excerpt":"Many-body perturbation theory (MBPT) based on Green's functions and Feynman diagrams provides a fundamental theoretical framework for various \\emph{ab initio} computational approaches in molecular and materials science, including the random phase approximation (RPA) and $GW$ approximation. Unfortunately, this perturbation expansion often fails in systems with strong multi-reference characters. Extending diagrammatic MBPT to the multi-reference case is highly nontrivial and remains largely unexplored, primarily due to the breakdown of Wick's theorem. In this work, we develop a diagrammatic mult"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.22990","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/2410.22990/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":"2410.22990","created_at":"2026-07-05T10:34:12.093152+00:00"},{"alias_kind":"arxiv_version","alias_value":"2410.22990v2","created_at":"2026-07-05T10:34:12.093152+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.22990","created_at":"2026-07-05T10:34:12.093152+00:00"},{"alias_kind":"pith_short_12","alias_value":"R6XCCUDWXQXC","created_at":"2026-07-05T10:34:12.093152+00:00"},{"alias_kind":"pith_short_16","alias_value":"R6XCCUDWXQXCLHW6","created_at":"2026-07-05T10:34:12.093152+00:00"},{"alias_kind":"pith_short_8","alias_value":"R6XCCUDW","created_at":"2026-07-05T10:34:12.093152+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/R6XCCUDWXQXCLHW6JBK5GKD5HN","json":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN.json","graph_json":"https://pith.science/api/pith-number/R6XCCUDWXQXCLHW6JBK5GKD5HN/graph.json","events_json":"https://pith.science/api/pith-number/R6XCCUDWXQXCLHW6JBK5GKD5HN/events.json","paper":"https://pith.science/paper/R6XCCUDW"},"agent_actions":{"view_html":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN","download_json":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN.json","view_paper":"https://pith.science/paper/R6XCCUDW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2410.22990&json=true","fetch_graph":"https://pith.science/api/pith-number/R6XCCUDWXQXCLHW6JBK5GKD5HN/graph.json","fetch_events":"https://pith.science/api/pith-number/R6XCCUDWXQXCLHW6JBK5GKD5HN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN/action/storage_attestation","attest_author":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN/action/author_attestation","sign_citation":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN/action/citation_signature","submit_replication":"https://pith.science/pith/R6XCCUDWXQXCLHW6JBK5GKD5HN/action/replication_record"}},"created_at":"2026-07-05T10:34:12.093152+00:00","updated_at":"2026-07-05T10:34:12.093152+00:00"}