{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:F23PBNRXRSR3FHXJHFEOBKHPJO","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f1f90e40207a583e0e740009de290840b91a65baaeda0beba64d12f97f05fb53","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-24T10:00:00Z","title_canon_sha256":"7a4ed6d8f47521dad8fe51d6827d5edd3a48b9ba25488cb0e882ab6728d7b536"},"schema_version":"1.0","source":{"id":"1301.5741","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5741","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5741v2","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5741","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"pith_short_12","alias_value":"F23PBNRXRSR3","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"F23PBNRXRSR3FHXJ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"F23PBNRX","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:c6fb1da3fd70ad87e794a4e2e95f93d8c267bf9de3c82b1a3867b0462e5308ce","target":"graph","created_at":"2026-05-18T03:26:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a strategy to extract the position of the two $\\Lambda(1405)$ poles from experimental photoproduction data measured recently at different energies in the $\\gamma p \\to K^+ \\pi^0 \\Sigma^0 $ reaction at Jefferson Lab. By means of a chiral dynamics motivated potential but with free parameters, we solve the Bethe Salpeter equation in the coupled channels $\\bar K N$ and $\\pi \\Sigma$ in isospin I=0 and parameterize the amplitude for the photonuclear reaction in terms of a linear combination of the $\\pi \\Sigma \\to \\pi \\Sigma$ and $\\bar K N \\to \\pi \\Sigma$ scattering amplitudes in I=0, with","authors_text":"E. Oset, L. Roca","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-24T10:00:00Z","title":"Lambda(1405) poles obtained from pi0-Sigma0 photoproduction data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5741","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e50bb280be48e6678816fd0713513b1f0227e8eafb615ea8abd05a210a005e53","target":"record","created_at":"2026-05-18T03:26:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f1f90e40207a583e0e740009de290840b91a65baaeda0beba64d12f97f05fb53","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-24T10:00:00Z","title_canon_sha256":"7a4ed6d8f47521dad8fe51d6827d5edd3a48b9ba25488cb0e882ab6728d7b536"},"schema_version":"1.0","source":{"id":"1301.5741","kind":"arxiv","version":2}},"canonical_sha256":"2eb6f0b6378ca3b29ee93948e0a8ef4b948c109a609a91a1f51ca4c4498c9bdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2eb6f0b6378ca3b29ee93948e0a8ef4b948c109a609a91a1f51ca4c4498c9bdf","first_computed_at":"2026-05-18T03:26:22.680495Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:22.680495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eDpAKLziiLCDSrfyW1/Ui5UWun8vRKs8LlnajK0GRhUCUTzDEEgY/hS+rQFLmC9E7Krt7cnhGqb5mlgYCgucDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:22.681270Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5741","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e50bb280be48e6678816fd0713513b1f0227e8eafb615ea8abd05a210a005e53","sha256:c6fb1da3fd70ad87e794a4e2e95f93d8c267bf9de3c82b1a3867b0462e5308ce"],"state_sha256":"9a6d44867b3648c1d110d5b54d811c0b55b04b02849e273b159bcf0bb2ea6b5d"}