{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:WNDMOVHUGXCX5RJEIBRJ737PRN","short_pith_number":"pith:WNDMOVHU","schema_version":"1.0","canonical_sha256":"b346c754f435c57ec52440629fefef8b52e412cb71c6777ac39547cca7d49b42","source":{"kind":"arxiv","id":"1212.3057","version":2},"attestation_state":"computed","paper":{"title":"Two-nucleon scattering: merging chiral effective field theory with dispersion relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"A.M. Gasparyan, E. Epelbaum, M.F.M. Lutz","submitted_at":"2012-12-13T05:56:21Z","abstract_excerpt":"We consider two-nucleon scattering close to threshold. Partial-wave amplitudes are obtained by an analytic extrapolation of subthreshold reaction amplitudes calculated in a relativistic formulation of chiral perturbation theory. The constraints set by unitarity are used in order to stabilize the extrapolation. Neutron-proton phase shifts are analyzed up to laboratory energies $T_{{\\rm lab}}\\simeq250$ MeV based on the next-to-next-to-next-to-leading order expression for the subthreshold amplitudes. We find a reasonably accurate description of the empirical S- and P-waves and a good convergence "},"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":"1212.3057","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-12-13T05:56:21Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"df6ee2c316b8112eb1e50c49b2b25ef99d0db479bf7dc01c9148926878d1894d","abstract_canon_sha256":"6a06702c72aed55447d6c46884f20057204ce6be8a7634e3f8bb06832d5d2e11"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:39.109043Z","signature_b64":"fvl20DcYfsW/wkrBjsueN6yzZXLNrtWmnRvBffW/sU1P/qvGkj2/I8RSdYD0n9csaYvNKHUHp0xDaqRY+8erDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b346c754f435c57ec52440629fefef8b52e412cb71c6777ac39547cca7d49b42","last_reissued_at":"2026-05-18T01:52:39.108471Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:39.108471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Two-nucleon scattering: merging chiral effective field theory with dispersion relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"A.M. Gasparyan, E. Epelbaum, M.F.M. Lutz","submitted_at":"2012-12-13T05:56:21Z","abstract_excerpt":"We consider two-nucleon scattering close to threshold. Partial-wave amplitudes are obtained by an analytic extrapolation of subthreshold reaction amplitudes calculated in a relativistic formulation of chiral perturbation theory. The constraints set by unitarity are used in order to stabilize the extrapolation. Neutron-proton phase shifts are analyzed up to laboratory energies $T_{{\\rm lab}}\\simeq250$ MeV based on the next-to-next-to-next-to-leading order expression for the subthreshold amplitudes. We find a reasonably accurate description of the empirical S- and P-waves and a good convergence "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3057","kind":"arxiv","version":2},"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":"1212.3057","created_at":"2026-05-18T01:52:39.108563+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.3057v2","created_at":"2026-05-18T01:52:39.108563+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3057","created_at":"2026-05-18T01:52:39.108563+00:00"},{"alias_kind":"pith_short_12","alias_value":"WNDMOVHUGXCX","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"WNDMOVHUGXCX5RJE","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"WNDMOVHU","created_at":"2026-05-18T12:27:25.539911+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/WNDMOVHUGXCX5RJEIBRJ737PRN","json":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN.json","graph_json":"https://pith.science/api/pith-number/WNDMOVHUGXCX5RJEIBRJ737PRN/graph.json","events_json":"https://pith.science/api/pith-number/WNDMOVHUGXCX5RJEIBRJ737PRN/events.json","paper":"https://pith.science/paper/WNDMOVHU"},"agent_actions":{"view_html":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN","download_json":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN.json","view_paper":"https://pith.science/paper/WNDMOVHU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.3057&json=true","fetch_graph":"https://pith.science/api/pith-number/WNDMOVHUGXCX5RJEIBRJ737PRN/graph.json","fetch_events":"https://pith.science/api/pith-number/WNDMOVHUGXCX5RJEIBRJ737PRN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN/action/storage_attestation","attest_author":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN/action/author_attestation","sign_citation":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN/action/citation_signature","submit_replication":"https://pith.science/pith/WNDMOVHUGXCX5RJEIBRJ737PRN/action/replication_record"}},"created_at":"2026-05-18T01:52:39.108563+00:00","updated_at":"2026-05-18T01:52:39.108563+00:00"}