{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:OR4K545OMGUH24BLXW2YGPGKRK","short_pith_number":"pith:OR4K545O","schema_version":"1.0","canonical_sha256":"7478aef3ae61a87d702bbdb5833cca8aade5f8fad3a5ea477684e95b9b41a109","source":{"kind":"arxiv","id":"1201.3556","version":1},"attestation_state":"computed","paper":{"title":"Rapid structural change in low-lying states of neutron-rich Sr and Zr isotopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"H. Mei, J. Meng, J. M. Yao, J. Xiang, Z. P. Li","submitted_at":"2012-01-17T16:49:51Z","abstract_excerpt":"The rapid structural change in low-lying collective excitation states of neutron-rich Sr and Zr isotopes is tudied by solving a five-dimensional collective Hamiltonian with parameters determined by both relativistic mean-field and non-relativistic Skyrme-Hartree-Fock calculations using the PC-PK1 and SLy4 forces respectively. Pair correlations are treated in BCS method with either a separable pairing force or a density-dependent zero-range force. The isotope shifts, excitation energies, electric monopole and quadrupole transition strengths are calculated and compared with corresponding experim"},"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":"1201.3556","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-01-17T16:49:51Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"172f17da807d407166c2a8d2c41ed28914f0666d5bc347cc394b5939965b08df","abstract_canon_sha256":"45975a3c0feb09d01c3ab0161deed0a35651b09cde735c9c52b25ecd8d1266c4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:59:37.859877Z","signature_b64":"ErbjAqBBfCyCc7cxWYWgV/mDg16VJKr3hna2TN2mB+1gwM8B77PAWvKa718jipU75ZretM297Nm5cpPGplAuCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7478aef3ae61a87d702bbdb5833cca8aade5f8fad3a5ea477684e95b9b41a109","last_reissued_at":"2026-05-18T03:59:37.859247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:59:37.859247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Rapid structural change in low-lying states of neutron-rich Sr and Zr isotopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"H. Mei, J. Meng, J. M. Yao, J. Xiang, Z. P. Li","submitted_at":"2012-01-17T16:49:51Z","abstract_excerpt":"The rapid structural change in low-lying collective excitation states of neutron-rich Sr and Zr isotopes is tudied by solving a five-dimensional collective Hamiltonian with parameters determined by both relativistic mean-field and non-relativistic Skyrme-Hartree-Fock calculations using the PC-PK1 and SLy4 forces respectively. Pair correlations are treated in BCS method with either a separable pairing force or a density-dependent zero-range force. The isotope shifts, excitation energies, electric monopole and quadrupole transition strengths are calculated and compared with corresponding experim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3556","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":"1201.3556","created_at":"2026-05-18T03:59:37.859337+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.3556v1","created_at":"2026-05-18T03:59:37.859337+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3556","created_at":"2026-05-18T03:59:37.859337+00:00"},{"alias_kind":"pith_short_12","alias_value":"OR4K545OMGUH","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"OR4K545OMGUH24BL","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"OR4K545O","created_at":"2026-05-18T12:27:16.716162+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/OR4K545OMGUH24BLXW2YGPGKRK","json":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK.json","graph_json":"https://pith.science/api/pith-number/OR4K545OMGUH24BLXW2YGPGKRK/graph.json","events_json":"https://pith.science/api/pith-number/OR4K545OMGUH24BLXW2YGPGKRK/events.json","paper":"https://pith.science/paper/OR4K545O"},"agent_actions":{"view_html":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK","download_json":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK.json","view_paper":"https://pith.science/paper/OR4K545O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.3556&json=true","fetch_graph":"https://pith.science/api/pith-number/OR4K545OMGUH24BLXW2YGPGKRK/graph.json","fetch_events":"https://pith.science/api/pith-number/OR4K545OMGUH24BLXW2YGPGKRK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK/action/storage_attestation","attest_author":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK/action/author_attestation","sign_citation":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK/action/citation_signature","submit_replication":"https://pith.science/pith/OR4K545OMGUH24BLXW2YGPGKRK/action/replication_record"}},"created_at":"2026-05-18T03:59:37.859337+00:00","updated_at":"2026-05-18T03:59:37.859337+00:00"}