{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:BCCK4MOGVUWV3TR4TQ6UQTKGCN","short_pith_number":"pith:BCCK4MOG","schema_version":"1.0","canonical_sha256":"0884ae31c6ad2d5dce3c9c3d484d46135bf77f3f90bc335a5bdc30622acaf2cf","source":{"kind":"arxiv","id":"1301.3450","version":1},"attestation_state":"computed","paper":{"title":"Unified ab initio approach to bound and unbound states: no-core shell model with continuum and its application to 7He","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"nucl-th","authors_text":"Petr Navratil, Simone Baroni, Sofia Quaglioni","submitted_at":"2013-01-15T18:45:52Z","abstract_excerpt":"We introduce a unified approach to nuclear bound and continuum states based on the coupling of the no-core shell model (NCSM), a bound-state technique, with the no-core shell model/resonating group method (NCSM/RGM), a nuclear scattering technique. This new ab initio method, no-core shell model with continuum (NCSMC), leads to convergence properties superior to either NCSM or NCSM/RGM while providing a balanced approach to different classes of states. In the NCSMC, the ansatz for the many-nucleon wave function includes: i) a square-integrable A-nucleon component expanded in a complete harmonic"},"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":"1301.3450","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-15T18:45:52Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"8e957d12cce8768a8ddd6d63be01556be3577735adc74bb86ec9d38e0de90b9d","abstract_canon_sha256":"c7d9253a3d712a3722e54c6da869e07787ea952943a78aa13395a0b4332c6287"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:29:15.660190Z","signature_b64":"vulwLZbeIusOSh3KGsBE1TiP8MuvkbTNxTSDLBWpjgqYxZgepy0UgOq21WyNgBFFTMEpWazJdUonpZF9xgkjBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0884ae31c6ad2d5dce3c9c3d484d46135bf77f3f90bc335a5bdc30622acaf2cf","last_reissued_at":"2026-05-18T03:29:15.659349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:29:15.659349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unified ab initio approach to bound and unbound states: no-core shell model with continuum and its application to 7He","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"nucl-th","authors_text":"Petr Navratil, Simone Baroni, Sofia Quaglioni","submitted_at":"2013-01-15T18:45:52Z","abstract_excerpt":"We introduce a unified approach to nuclear bound and continuum states based on the coupling of the no-core shell model (NCSM), a bound-state technique, with the no-core shell model/resonating group method (NCSM/RGM), a nuclear scattering technique. This new ab initio method, no-core shell model with continuum (NCSMC), leads to convergence properties superior to either NCSM or NCSM/RGM while providing a balanced approach to different classes of states. In the NCSMC, the ansatz for the many-nucleon wave function includes: i) a square-integrable A-nucleon component expanded in a complete harmonic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3450","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":"1301.3450","created_at":"2026-05-18T03:29:15.659449+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.3450v1","created_at":"2026-05-18T03:29:15.659449+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3450","created_at":"2026-05-18T03:29:15.659449+00:00"},{"alias_kind":"pith_short_12","alias_value":"BCCK4MOGVUWV","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"BCCK4MOGVUWV3TR4","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"BCCK4MOG","created_at":"2026-05-18T12:27:38.830355+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/BCCK4MOGVUWV3TR4TQ6UQTKGCN","json":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN.json","graph_json":"https://pith.science/api/pith-number/BCCK4MOGVUWV3TR4TQ6UQTKGCN/graph.json","events_json":"https://pith.science/api/pith-number/BCCK4MOGVUWV3TR4TQ6UQTKGCN/events.json","paper":"https://pith.science/paper/BCCK4MOG"},"agent_actions":{"view_html":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN","download_json":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN.json","view_paper":"https://pith.science/paper/BCCK4MOG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.3450&json=true","fetch_graph":"https://pith.science/api/pith-number/BCCK4MOGVUWV3TR4TQ6UQTKGCN/graph.json","fetch_events":"https://pith.science/api/pith-number/BCCK4MOGVUWV3TR4TQ6UQTKGCN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN/action/storage_attestation","attest_author":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN/action/author_attestation","sign_citation":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN/action/citation_signature","submit_replication":"https://pith.science/pith/BCCK4MOGVUWV3TR4TQ6UQTKGCN/action/replication_record"}},"created_at":"2026-05-18T03:29:15.659449+00:00","updated_at":"2026-05-18T03:29:15.659449+00:00"}