{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:F23PBNRXRSR3FHXJHFEOBKHPJO","short_pith_number":"pith:F23PBNRX","canonical_record":{"source":{"id":"1301.5741","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-24T10:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7a4ed6d8f47521dad8fe51d6827d5edd3a48b9ba25488cb0e882ab6728d7b536","abstract_canon_sha256":"f1f90e40207a583e0e740009de290840b91a65baaeda0beba64d12f97f05fb53"},"schema_version":"1.0"},"canonical_sha256":"2eb6f0b6378ca3b29ee93948e0a8ef4b948c109a609a91a1f51ca4c4498c9bdf","source":{"kind":"arxiv","id":"1301.5741","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:F23PBNRXRSR3FHXJHFEOBKHPJO","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5741","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-24T10:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7a4ed6d8f47521dad8fe51d6827d5edd3a48b9ba25488cb0e882ab6728d7b536","abstract_canon_sha256":"f1f90e40207a583e0e740009de290840b91a65baaeda0beba64d12f97f05fb53"},"schema_version":"1.0"},"canonical_sha256":"2eb6f0b6378ca3b29ee93948e0a8ef4b948c109a609a91a1f51ca4c4498c9bdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:22.681270Z","signature_b64":"eDpAKLziiLCDSrfyW1/Ui5UWun8vRKs8LlnajK0GRhUCUTzDEEgY/hS+rQFLmC9E7Krt7cnhGqb5mlgYCgucDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2eb6f0b6378ca3b29ee93948e0a8ef4b948c109a609a91a1f51ca4c4498c9bdf","last_reissued_at":"2026-05-18T03:26:22.680495Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:22.680495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5741","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:26:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NKUZg21JLERzawMCiAYufkzLLqKRFoz2jJaoH8UI/+1HIKJxD7iKi4FjlcCXkQH2pred1Np/KxHKcHqPYOavDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T06:21:38.219674Z"},"content_sha256":"e50bb280be48e6678816fd0713513b1f0227e8eafb615ea8abd05a210a005e53","schema_version":"1.0","event_id":"sha256:e50bb280be48e6678816fd0713513b1f0227e8eafb615ea8abd05a210a005e53"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:F23PBNRXRSR3FHXJHFEOBKHPJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lambda(1405) poles obtained from pi0-Sigma0 photoproduction data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"E. Oset, L. Roca","submitted_at":"2013-01-24T10:00:00Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5741","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:26:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I35I9/hhcIDygMfpgz6CDhIAXlmEDkRhVPVCB6jSOgrpBXucddZuT1DkrMpNTiH0yTE+k+Nk6nngbNEqWUMBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T06:21:38.220221Z"},"content_sha256":"c6fb1da3fd70ad87e794a4e2e95f93d8c267bf9de3c82b1a3867b0462e5308ce","schema_version":"1.0","event_id":"sha256:c6fb1da3fd70ad87e794a4e2e95f93d8c267bf9de3c82b1a3867b0462e5308ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F23PBNRXRSR3FHXJHFEOBKHPJO/bundle.json","state_url":"https://pith.science/pith/F23PBNRXRSR3FHXJHFEOBKHPJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F23PBNRXRSR3FHXJHFEOBKHPJO/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-21T06:21:38Z","links":{"resolver":"https://pith.science/pith/F23PBNRXRSR3FHXJHFEOBKHPJO","bundle":"https://pith.science/pith/F23PBNRXRSR3FHXJHFEOBKHPJO/bundle.json","state":"https://pith.science/pith/F23PBNRXRSR3FHXJHFEOBKHPJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F23PBNRXRSR3FHXJHFEOBKHPJO/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rkmRZYQzNMfpInDw1RsjNHChtrTYdAGfsDGTQJrqqDp6ne8BbtZhudmmKVjm/wMO3MeiQRPnVmHzl1yPUH6YBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T06:21:38.222875Z","bundle_sha256":"348b010eed95722782c75c2fae9653ff1bf651ebeedd8a76e85971004ff1150c"}}