{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:HHJPCNOREHWDWWMBFLSX4OYJNZ","short_pith_number":"pith:HHJPCNOR","schema_version":"1.0","canonical_sha256":"39d2f135d121ec3b59812ae57e3b096e7f3986b933b47f7f6d4f8ed27e2d4b92","source":{"kind":"arxiv","id":"1810.07958","version":2},"attestation_state":"computed","paper":{"title":"On the Existence of $N^*(890)$ Resonance in $S_{11}$ Channel of $\\pi N$ Scatterings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"De-Liang Yao, Han-Qing Zheng, Yu-Fei Wang","submitted_at":"2018-10-18T09:20:25Z","abstract_excerpt":"Low-energy partial-wave $\\pi N$ scattering data is reexamined with the help of the production representation of partial-wave $S$ matrix, where branch cuts and poles are thoroughly under consideration. The left-hand cut contribution to the phase shift is determined, with controlled systematic error estimates, by using the results of $\\mathcal{O}(p^3)$ chiral perturbative amplitudes obtained in the extended-on-mass-shell scheme. In $S_{11}$ and $P_{11}$ channels, severe discrepancies are observed between the phase shift data and the sum of all known contributions. Statistically satisfactory fits"},"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":"1810.07958","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-18T09:20:25Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"30cd7d0a7576326dca1d4cbe366b296d153c1b18e40ff793110ee3b30efbee0d","abstract_canon_sha256":"82b183d759d0fa88a858833a559f782eaeababae62be0fbf4a5b5837b10af6bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:14.815625Z","signature_b64":"GcerG3MBo2xmta6uZ3GAwdgPsjhSbyAgy2RzkzmS/hrQYlgZlBTmc3YYyU+Sr1eu+MsGcBJB8TH+I3SOUUXEDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39d2f135d121ec3b59812ae57e3b096e7f3986b933b47f7f6d4f8ed27e2d4b92","last_reissued_at":"2026-05-17T23:57:14.814935Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:14.814935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Existence of $N^*(890)$ Resonance in $S_{11}$ Channel of $\\pi N$ Scatterings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"De-Liang Yao, Han-Qing Zheng, Yu-Fei Wang","submitted_at":"2018-10-18T09:20:25Z","abstract_excerpt":"Low-energy partial-wave $\\pi N$ scattering data is reexamined with the help of the production representation of partial-wave $S$ matrix, where branch cuts and poles are thoroughly under consideration. The left-hand cut contribution to the phase shift is determined, with controlled systematic error estimates, by using the results of $\\mathcal{O}(p^3)$ chiral perturbative amplitudes obtained in the extended-on-mass-shell scheme. In $S_{11}$ and $P_{11}$ channels, severe discrepancies are observed between the phase shift data and the sum of all known contributions. Statistically satisfactory fits"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07958","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":"1810.07958","created_at":"2026-05-17T23:57:14.815045+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.07958v2","created_at":"2026-05-17T23:57:14.815045+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07958","created_at":"2026-05-17T23:57:14.815045+00:00"},{"alias_kind":"pith_short_12","alias_value":"HHJPCNOREHWD","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_16","alias_value":"HHJPCNOREHWDWWMB","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_8","alias_value":"HHJPCNOR","created_at":"2026-05-18T12:32:28.185984+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/HHJPCNOREHWDWWMBFLSX4OYJNZ","json":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ.json","graph_json":"https://pith.science/api/pith-number/HHJPCNOREHWDWWMBFLSX4OYJNZ/graph.json","events_json":"https://pith.science/api/pith-number/HHJPCNOREHWDWWMBFLSX4OYJNZ/events.json","paper":"https://pith.science/paper/HHJPCNOR"},"agent_actions":{"view_html":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ","download_json":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ.json","view_paper":"https://pith.science/paper/HHJPCNOR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.07958&json=true","fetch_graph":"https://pith.science/api/pith-number/HHJPCNOREHWDWWMBFLSX4OYJNZ/graph.json","fetch_events":"https://pith.science/api/pith-number/HHJPCNOREHWDWWMBFLSX4OYJNZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ/action/storage_attestation","attest_author":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ/action/author_attestation","sign_citation":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ/action/citation_signature","submit_replication":"https://pith.science/pith/HHJPCNOREHWDWWMBFLSX4OYJNZ/action/replication_record"}},"created_at":"2026-05-17T23:57:14.815045+00:00","updated_at":"2026-05-17T23:57:14.815045+00:00"}