{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:VUM3B3XM2LEVNBGWNSYEPOEFNF","short_pith_number":"pith:VUM3B3XM","schema_version":"1.0","canonical_sha256":"ad19b0eeecd2c95684d66cb047b885695f413e61f46780f530c72579fa318f56","source":{"kind":"arxiv","id":"1610.08978","version":2},"attestation_state":"computed","paper":{"title":"Reconciling threshold and subthreshold expansions for pion-nucleon scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"B. Kubis, D. Siemens, E. Epelbaum, H. Krebs, J. Ruiz de Elvira, M. Hoferichter, U.-G. Mei{\\ss}ner","submitted_at":"2016-10-27T20:00:01Z","abstract_excerpt":"Heavy-baryon chiral perturbation theory (ChPT) at one loop fails in relating the pion-nucleon amplitude in the physical region and for subthreshold kinematics due to loop effects enhanced by large low-energy constants. Studying the chiral convergence of threshold and subthreshold parameters up to fourth order in the small-scale expansion, we address the question to what extent this tension can be mitigated by including the $\\Delta(1232)$ as an explicit degree of freedom and/or using a covariant formulation of baryon ChPT. We find that the inclusion of the $\\Delta$ indeed reduces the low-energy"},"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":"1610.08978","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-10-27T20:00:01Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"0a1527b98bb347d20a42d3e82cf2905843c524769bbefd718a6b7c68d179cdff","abstract_canon_sha256":"263f366d917cb966d40ba521c00f64da33f981236108dcca9b9b1634170b73aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:25.902072Z","signature_b64":"EVgHs8uHC4is+Nn7d533x8dtZQPqP1Ss8IY3sDg6x5veE+B5E4uFwp7Ui0ffFNkwWHSihvN61EbENYJiKPDQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad19b0eeecd2c95684d66cb047b885695f413e61f46780f530c72579fa318f56","last_reissued_at":"2026-05-18T00:45:25.901309Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:25.901309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reconciling threshold and subthreshold expansions for pion-nucleon scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"B. Kubis, D. Siemens, E. Epelbaum, H. Krebs, J. Ruiz de Elvira, M. Hoferichter, U.-G. Mei{\\ss}ner","submitted_at":"2016-10-27T20:00:01Z","abstract_excerpt":"Heavy-baryon chiral perturbation theory (ChPT) at one loop fails in relating the pion-nucleon amplitude in the physical region and for subthreshold kinematics due to loop effects enhanced by large low-energy constants. Studying the chiral convergence of threshold and subthreshold parameters up to fourth order in the small-scale expansion, we address the question to what extent this tension can be mitigated by including the $\\Delta(1232)$ as an explicit degree of freedom and/or using a covariant formulation of baryon ChPT. We find that the inclusion of the $\\Delta$ indeed reduces the low-energy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08978","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":"1610.08978","created_at":"2026-05-18T00:45:25.901427+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.08978v2","created_at":"2026-05-18T00:45:25.901427+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08978","created_at":"2026-05-18T00:45:25.901427+00:00"},{"alias_kind":"pith_short_12","alias_value":"VUM3B3XM2LEV","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_16","alias_value":"VUM3B3XM2LEVNBGW","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_8","alias_value":"VUM3B3XM","created_at":"2026-05-18T12:30:48.956258+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.12535","citing_title":"Neutrinoless double-beta decay of the $\\Delta^-$ resonance","ref_index":53,"is_internal_anchor":false},{"citing_arxiv_id":"2604.07113","citing_title":"QED radiative corrections in inverse beta decay from virtual pions","ref_index":41,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF","json":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF.json","graph_json":"https://pith.science/api/pith-number/VUM3B3XM2LEVNBGWNSYEPOEFNF/graph.json","events_json":"https://pith.science/api/pith-number/VUM3B3XM2LEVNBGWNSYEPOEFNF/events.json","paper":"https://pith.science/paper/VUM3B3XM"},"agent_actions":{"view_html":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF","download_json":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF.json","view_paper":"https://pith.science/paper/VUM3B3XM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.08978&json=true","fetch_graph":"https://pith.science/api/pith-number/VUM3B3XM2LEVNBGWNSYEPOEFNF/graph.json","fetch_events":"https://pith.science/api/pith-number/VUM3B3XM2LEVNBGWNSYEPOEFNF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF/action/storage_attestation","attest_author":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF/action/author_attestation","sign_citation":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF/action/citation_signature","submit_replication":"https://pith.science/pith/VUM3B3XM2LEVNBGWNSYEPOEFNF/action/replication_record"}},"created_at":"2026-05-18T00:45:25.901427+00:00","updated_at":"2026-05-18T00:45:25.901427+00:00"}