{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:DWPNGN6KOKKUUNXNLQ3EK5IPGF","short_pith_number":"pith:DWPNGN6K","schema_version":"1.0","canonical_sha256":"1d9ed337ca72954a36ed5c3645750f317d577fdaecf435e15b5ceac2a35335b3","source":{"kind":"arxiv","id":"1410.8789","version":1},"attestation_state":"computed","paper":{"title":"Effective interaction approach to the Fermi hard-sphere system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"nucl-th","authors_text":"Alessandro Lovato, Angela Mecca, Artur Polls, Omar Benhar","submitted_at":"2014-10-31T16:14:54Z","abstract_excerpt":"The formalism based on correlated basis functions and the cluster expansion technique has been recently employed to derive an effective interaction from a realistic nuclear hamiltonian. To gauge the reliability of this scheme, we perform a systematic comparison between the results of its application to the Fermi hard-sphere system and the predictions obtained from low-density expansions, as well as from other many-body techniques. The analysis of a variety of properties, including the ground state energy, the effective mass and the momentum distribution, shows that the effective interaction ap"},"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":"1410.8789","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-10-31T16:14:54Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"ac12ca81d4f6ae8a575b6c2392178f70eff100902d196471f32e62a84d8ad4e0","abstract_canon_sha256":"178b3579ff646bff55c1e19d6aea55963e281ae35975f310b35189ad790602ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:20.618673Z","signature_b64":"ZnKsKmnhvekeTHWk01HrM4jNTE2PFcxpUTbugn+G852XgiZalb7hVcQBBN9ZtyUG1WrzcGarLt2WJkyvRk01Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d9ed337ca72954a36ed5c3645750f317d577fdaecf435e15b5ceac2a35335b3","last_reissued_at":"2026-05-18T01:35:20.617922Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:20.617922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effective interaction approach to the Fermi hard-sphere system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"nucl-th","authors_text":"Alessandro Lovato, Angela Mecca, Artur Polls, Omar Benhar","submitted_at":"2014-10-31T16:14:54Z","abstract_excerpt":"The formalism based on correlated basis functions and the cluster expansion technique has been recently employed to derive an effective interaction from a realistic nuclear hamiltonian. To gauge the reliability of this scheme, we perform a systematic comparison between the results of its application to the Fermi hard-sphere system and the predictions obtained from low-density expansions, as well as from other many-body techniques. The analysis of a variety of properties, including the ground state energy, the effective mass and the momentum distribution, shows that the effective interaction ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8789","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":"1410.8789","created_at":"2026-05-18T01:35:20.618044+00:00"},{"alias_kind":"arxiv_version","alias_value":"1410.8789v1","created_at":"2026-05-18T01:35:20.618044+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8789","created_at":"2026-05-18T01:35:20.618044+00:00"},{"alias_kind":"pith_short_12","alias_value":"DWPNGN6KOKKU","created_at":"2026-05-18T12:28:25.294606+00:00"},{"alias_kind":"pith_short_16","alias_value":"DWPNGN6KOKKUUNXN","created_at":"2026-05-18T12:28:25.294606+00:00"},{"alias_kind":"pith_short_8","alias_value":"DWPNGN6K","created_at":"2026-05-18T12:28:25.294606+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/DWPNGN6KOKKUUNXNLQ3EK5IPGF","json":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF.json","graph_json":"https://pith.science/api/pith-number/DWPNGN6KOKKUUNXNLQ3EK5IPGF/graph.json","events_json":"https://pith.science/api/pith-number/DWPNGN6KOKKUUNXNLQ3EK5IPGF/events.json","paper":"https://pith.science/paper/DWPNGN6K"},"agent_actions":{"view_html":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF","download_json":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF.json","view_paper":"https://pith.science/paper/DWPNGN6K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1410.8789&json=true","fetch_graph":"https://pith.science/api/pith-number/DWPNGN6KOKKUUNXNLQ3EK5IPGF/graph.json","fetch_events":"https://pith.science/api/pith-number/DWPNGN6KOKKUUNXNLQ3EK5IPGF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF/action/storage_attestation","attest_author":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF/action/author_attestation","sign_citation":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF/action/citation_signature","submit_replication":"https://pith.science/pith/DWPNGN6KOKKUUNXNLQ3EK5IPGF/action/replication_record"}},"created_at":"2026-05-18T01:35:20.618044+00:00","updated_at":"2026-05-18T01:35:20.618044+00:00"}