{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:CC2MPAAGNIN6EMXUEJUGXFQPRF","short_pith_number":"pith:CC2MPAAG","schema_version":"1.0","canonical_sha256":"10b4c780066a1be232f422686b960f8957e8847393967a8bf448f8325c2fc610","source":{"kind":"arxiv","id":"1902.00117","version":2},"attestation_state":"computed","paper":{"title":"Perdew-Zunger self-interaction correction: How wrong for uniform densities and large-Z atoms?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.chem-ph","authors_text":"Biswajit Santra, John P. Perdew","submitted_at":"2019-01-31T22:50:28Z","abstract_excerpt":"Semi-local density functionals for the exchange-correlation energy of a many-electron system cannot be exact for all one-electron densities. In 1981, Perdew and Zunger (PZ) subtracted the fully-nonlocal self-interaction error orbital-by-orbital, making the corrected functional exact for all collections of separated one-electron densities, and making no correction to the exact functional. Although the PZ self-interaction correction (SIC) eliminates many errors of semi-local functionals, it is often worse for equilibrium properties of sp-bonded molecules and solids. Non-empirical semi-local func"},"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":"1902.00117","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-31T22:50:28Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"a05bffeef926debf2831a5f3b63383f5892565e82ac562cd184cf4653fa3d18b","abstract_canon_sha256":"0a7c83f74292d46c3ef17b8c372e4dc1f9ca0dbec89091751c4d1cd51e2f036b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:48.375140Z","signature_b64":"K7Fpuys69SrDaLi3Euk5++7qrXqZQ4lDQ8miCVbep+h+K61UZAZNMuBcNc7XefhR5152NabIXZxCmqQeYY3TCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10b4c780066a1be232f422686b960f8957e8847393967a8bf448f8325c2fc610","last_reissued_at":"2026-05-17T23:47:48.374416Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:48.374416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Perdew-Zunger self-interaction correction: How wrong for uniform densities and large-Z atoms?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.chem-ph","authors_text":"Biswajit Santra, John P. Perdew","submitted_at":"2019-01-31T22:50:28Z","abstract_excerpt":"Semi-local density functionals for the exchange-correlation energy of a many-electron system cannot be exact for all one-electron densities. In 1981, Perdew and Zunger (PZ) subtracted the fully-nonlocal self-interaction error orbital-by-orbital, making the corrected functional exact for all collections of separated one-electron densities, and making no correction to the exact functional. Although the PZ self-interaction correction (SIC) eliminates many errors of semi-local functionals, it is often worse for equilibrium properties of sp-bonded molecules and solids. Non-empirical semi-local func"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00117","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":"1902.00117","created_at":"2026-05-17T23:47:48.374544+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.00117v2","created_at":"2026-05-17T23:47:48.374544+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00117","created_at":"2026-05-17T23:47:48.374544+00:00"},{"alias_kind":"pith_short_12","alias_value":"CC2MPAAGNIN6","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"CC2MPAAGNIN6EMXU","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"CC2MPAAG","created_at":"2026-05-18T12:33:12.712433+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/CC2MPAAGNIN6EMXUEJUGXFQPRF","json":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF.json","graph_json":"https://pith.science/api/pith-number/CC2MPAAGNIN6EMXUEJUGXFQPRF/graph.json","events_json":"https://pith.science/api/pith-number/CC2MPAAGNIN6EMXUEJUGXFQPRF/events.json","paper":"https://pith.science/paper/CC2MPAAG"},"agent_actions":{"view_html":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF","download_json":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF.json","view_paper":"https://pith.science/paper/CC2MPAAG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.00117&json=true","fetch_graph":"https://pith.science/api/pith-number/CC2MPAAGNIN6EMXUEJUGXFQPRF/graph.json","fetch_events":"https://pith.science/api/pith-number/CC2MPAAGNIN6EMXUEJUGXFQPRF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF/action/storage_attestation","attest_author":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF/action/author_attestation","sign_citation":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF/action/citation_signature","submit_replication":"https://pith.science/pith/CC2MPAAGNIN6EMXUEJUGXFQPRF/action/replication_record"}},"created_at":"2026-05-17T23:47:48.374544+00:00","updated_at":"2026-05-17T23:47:48.374544+00:00"}