{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:J5NF2TX756UTEYC5N2GDFGXYDW","short_pith_number":"pith:J5NF2TX7","schema_version":"1.0","canonical_sha256":"4f5a5d4effefa932605d6e8c329af81da7231540ce6fcc95dd54d67271332445","source":{"kind":"arxiv","id":"1506.05975","version":1},"attestation_state":"computed","paper":{"title":"Subtraction method in the second random--phase approximation: first applications with a Skyrme energy functional","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"D. Gambacurta, J. Engel, M. Grasso","submitted_at":"2015-06-19T12:38:07Z","abstract_excerpt":"We make use of a subtraction procedure, introduced to overcome double--counting problems in beyond--mean--field theories, in the second random--phase--approximation (SRPA) for the first time. This procedure guarantees the stability of SRPA (so that all excitation energies are real). We show that the method fits perfectly into nuclear density--functional theory. We illustrate applications to the monopole and quadrupole response and to low--lying $0^+$ and $2^+$ states in the nucleus $^{16}$O. We show that the subtraction procedure leads to: (i) results that are weakly cutoff dependent; (ii) a c"},"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":"1506.05975","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-06-19T12:38:07Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"50a9bf088e3b528ae2de5e24fa588e6dd01b332770de7568b6a7b54550413cf8","abstract_canon_sha256":"910dd5b47f3dff9273adcb0e4363de2230c6aa1db28ca3598bd37ff1e8bbdf1e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:42.822084Z","signature_b64":"Kn4aXnmPIGPy/T+FDUY0QR7v1T5jeExPjIUpFLIJb6DSQ8UE7LC6jp/3LhBgVXvYn/8caJkHlCR+7JYPxK6DBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f5a5d4effefa932605d6e8c329af81da7231540ce6fcc95dd54d67271332445","last_reissued_at":"2026-05-18T01:33:42.821550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:42.821550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Subtraction method in the second random--phase approximation: first applications with a Skyrme energy functional","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"D. Gambacurta, J. Engel, M. Grasso","submitted_at":"2015-06-19T12:38:07Z","abstract_excerpt":"We make use of a subtraction procedure, introduced to overcome double--counting problems in beyond--mean--field theories, in the second random--phase--approximation (SRPA) for the first time. This procedure guarantees the stability of SRPA (so that all excitation energies are real). We show that the method fits perfectly into nuclear density--functional theory. We illustrate applications to the monopole and quadrupole response and to low--lying $0^+$ and $2^+$ states in the nucleus $^{16}$O. We show that the subtraction procedure leads to: (i) results that are weakly cutoff dependent; (ii) a c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05975","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":"1506.05975","created_at":"2026-05-18T01:33:42.821619+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.05975v1","created_at":"2026-05-18T01:33:42.821619+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05975","created_at":"2026-05-18T01:33:42.821619+00:00"},{"alias_kind":"pith_short_12","alias_value":"J5NF2TX756UT","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_16","alias_value":"J5NF2TX756UTEYC5","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_8","alias_value":"J5NF2TX7","created_at":"2026-05-18T12:29:27.538025+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/J5NF2TX756UTEYC5N2GDFGXYDW","json":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW.json","graph_json":"https://pith.science/api/pith-number/J5NF2TX756UTEYC5N2GDFGXYDW/graph.json","events_json":"https://pith.science/api/pith-number/J5NF2TX756UTEYC5N2GDFGXYDW/events.json","paper":"https://pith.science/paper/J5NF2TX7"},"agent_actions":{"view_html":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW","download_json":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW.json","view_paper":"https://pith.science/paper/J5NF2TX7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.05975&json=true","fetch_graph":"https://pith.science/api/pith-number/J5NF2TX756UTEYC5N2GDFGXYDW/graph.json","fetch_events":"https://pith.science/api/pith-number/J5NF2TX756UTEYC5N2GDFGXYDW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW/action/storage_attestation","attest_author":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW/action/author_attestation","sign_citation":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW/action/citation_signature","submit_replication":"https://pith.science/pith/J5NF2TX756UTEYC5N2GDFGXYDW/action/replication_record"}},"created_at":"2026-05-18T01:33:42.821619+00:00","updated_at":"2026-05-18T01:33:42.821619+00:00"}