{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VDCXNPZ5B3GLRH44DNCSR4K3BL","short_pith_number":"pith:VDCXNPZ5","schema_version":"1.0","canonical_sha256":"a8c576bf3d0eccb89f9c1b4528f15b0ae8a45e20c364b7aab0eaddd252a2a597","source":{"kind":"arxiv","id":"1807.04549","version":2},"attestation_state":"computed","paper":{"title":"Optimized correlations inspired by perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"Helga B\\\"ohm, Martin Panholzer, Raphael Hobbiger","submitted_at":"2018-07-12T11:33:18Z","abstract_excerpt":"We study the accuracy of analytical wave function based many-body methods derived by energy minimization of a Jastrow-Feenberg ansatz for electrons (`Fermi hypernetted chain / Euler Lagrange' approach). Approximations to avoid the complexity of the fermion problem are chosen to parallel successful boson theories and be computationally efficient. For the three-dimensional homogeneous electron gas, we calculate the correlation energy, the pair distribution function and the static structure function in comparison with simulation results. We also present a new variant of theory, which is interpret"},"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":"1807.04549","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2018-07-12T11:33:18Z","cross_cats_sorted":[],"title_canon_sha256":"f20c0c204e8d3ce122c0ca783fb672e9e005721aa5d0e53f5b84865c6d1374de","abstract_canon_sha256":"9e0aef7641edc5d716deae1457887d7b1875d2a5f7e2b6b05472fa385071e01b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:13.334834Z","signature_b64":"qKuUUYQquI/cAh6IAWi3EUIN9tbJzmn9zof5E1J1eJiU+RmC/R34kEGpePkmXgme+gpoy4dSvyodq8ywBF2qDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8c576bf3d0eccb89f9c1b4528f15b0ae8a45e20c364b7aab0eaddd252a2a597","last_reissued_at":"2026-05-17T23:44:13.334065Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:13.334065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimized correlations inspired by perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"Helga B\\\"ohm, Martin Panholzer, Raphael Hobbiger","submitted_at":"2018-07-12T11:33:18Z","abstract_excerpt":"We study the accuracy of analytical wave function based many-body methods derived by energy minimization of a Jastrow-Feenberg ansatz for electrons (`Fermi hypernetted chain / Euler Lagrange' approach). Approximations to avoid the complexity of the fermion problem are chosen to parallel successful boson theories and be computationally efficient. For the three-dimensional homogeneous electron gas, we calculate the correlation energy, the pair distribution function and the static structure function in comparison with simulation results. We also present a new variant of theory, which is interpret"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04549","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":"1807.04549","created_at":"2026-05-17T23:44:13.334165+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.04549v2","created_at":"2026-05-17T23:44:13.334165+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04549","created_at":"2026-05-17T23:44:13.334165+00:00"},{"alias_kind":"pith_short_12","alias_value":"VDCXNPZ5B3GL","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VDCXNPZ5B3GLRH44","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VDCXNPZ5","created_at":"2026-05-18T12:32:59.047623+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/VDCXNPZ5B3GLRH44DNCSR4K3BL","json":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL.json","graph_json":"https://pith.science/api/pith-number/VDCXNPZ5B3GLRH44DNCSR4K3BL/graph.json","events_json":"https://pith.science/api/pith-number/VDCXNPZ5B3GLRH44DNCSR4K3BL/events.json","paper":"https://pith.science/paper/VDCXNPZ5"},"agent_actions":{"view_html":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL","download_json":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL.json","view_paper":"https://pith.science/paper/VDCXNPZ5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.04549&json=true","fetch_graph":"https://pith.science/api/pith-number/VDCXNPZ5B3GLRH44DNCSR4K3BL/graph.json","fetch_events":"https://pith.science/api/pith-number/VDCXNPZ5B3GLRH44DNCSR4K3BL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL/action/storage_attestation","attest_author":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL/action/author_attestation","sign_citation":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL/action/citation_signature","submit_replication":"https://pith.science/pith/VDCXNPZ5B3GLRH44DNCSR4K3BL/action/replication_record"}},"created_at":"2026-05-17T23:44:13.334165+00:00","updated_at":"2026-05-17T23:44:13.334165+00:00"}