{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:3UB2QFLW3A3SEOQDVYSAA3KTN3","short_pith_number":"pith:3UB2QFLW","schema_version":"1.0","canonical_sha256":"dd03a81576d837223a03ae24006d536ef89d24be03d9ab0daa56069864e9d316","source":{"kind":"arxiv","id":"1601.02418","version":1},"attestation_state":"computed","paper":{"title":"Hartree-Fock and Random Phase Approximation theories in a many-fermion solvable model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Giampaolo Co', Stefano De Leo","submitted_at":"2016-01-11T12:23:48Z","abstract_excerpt":"We present an ideal system of interacting fermions where the solutions of the many-body Schroedinger equation can be obtained without making approximations. These exact solutions are used to test the validity of two many-body effective approaches, the Hartree-Fock and the Random Phase Approximation theories. The description of the ground state done by the effective theories improves with increasing number of particles."},"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":"1601.02418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-01-11T12:23:48Z","cross_cats_sorted":[],"title_canon_sha256":"0887bcc619a2eebecacd43c8fc8475a79bc11cd0f5a76bd2bc341ac3972f7f18","abstract_canon_sha256":"9aa75c11e2cac827a540fff371541d0ab610c9cf13c62dcbb1858a2e456e194f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:19.401222Z","signature_b64":"MK8wOHQt0PaXYp4HefNjUbF0u7Z/4j86qaRePB6GpKBBSO2BOK0ihFcsSo6+XssJoMUgAQJJYWQiFc6S64whDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd03a81576d837223a03ae24006d536ef89d24be03d9ab0daa56069864e9d316","last_reissued_at":"2026-05-18T01:22:19.400481Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:19.400481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hartree-Fock and Random Phase Approximation theories in a many-fermion solvable model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Giampaolo Co', Stefano De Leo","submitted_at":"2016-01-11T12:23:48Z","abstract_excerpt":"We present an ideal system of interacting fermions where the solutions of the many-body Schroedinger equation can be obtained without making approximations. These exact solutions are used to test the validity of two many-body effective approaches, the Hartree-Fock and the Random Phase Approximation theories. The description of the ground state done by the effective theories improves with increasing number of particles."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02418","kind":"arxiv","version":1},"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":"1601.02418","created_at":"2026-05-18T01:22:19.400604+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.02418v1","created_at":"2026-05-18T01:22:19.400604+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02418","created_at":"2026-05-18T01:22:19.400604+00:00"},{"alias_kind":"pith_short_12","alias_value":"3UB2QFLW3A3S","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_16","alias_value":"3UB2QFLW3A3SEOQD","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_8","alias_value":"3UB2QFLW","created_at":"2026-05-18T12:29:58.707656+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/3UB2QFLW3A3SEOQDVYSAA3KTN3","json":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3.json","graph_json":"https://pith.science/api/pith-number/3UB2QFLW3A3SEOQDVYSAA3KTN3/graph.json","events_json":"https://pith.science/api/pith-number/3UB2QFLW3A3SEOQDVYSAA3KTN3/events.json","paper":"https://pith.science/paper/3UB2QFLW"},"agent_actions":{"view_html":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3","download_json":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3.json","view_paper":"https://pith.science/paper/3UB2QFLW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.02418&json=true","fetch_graph":"https://pith.science/api/pith-number/3UB2QFLW3A3SEOQDVYSAA3KTN3/graph.json","fetch_events":"https://pith.science/api/pith-number/3UB2QFLW3A3SEOQDVYSAA3KTN3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3/action/storage_attestation","attest_author":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3/action/author_attestation","sign_citation":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3/action/citation_signature","submit_replication":"https://pith.science/pith/3UB2QFLW3A3SEOQDVYSAA3KTN3/action/replication_record"}},"created_at":"2026-05-18T01:22:19.400604+00:00","updated_at":"2026-05-18T01:22:19.400604+00:00"}