{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:TRYIXWX27C7H35KVOJD2KP7MXA","short_pith_number":"pith:TRYIXWX2","canonical_record":{"source":{"id":"nucl-th/0406047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2004-06-15T12:31:40Z","cross_cats_sorted":[],"title_canon_sha256":"c3b49fe211cb20995c00e3bcaee4936829e5d99b539f564bb5ad57671aecdf6d","abstract_canon_sha256":"db848065afa82b9cdb1d10a6310361d767e0965303b51339312bc743e37f3624"},"schema_version":"1.0"},"canonical_sha256":"9c708bdafaf8be7df5557247a53fecb839fd94f065444c9ca3a842023bd9853b","source":{"kind":"arxiv","id":"nucl-th/0406047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0406047","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0406047v1","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0406047","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"pith_short_12","alias_value":"TRYIXWX27C7H","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"TRYIXWX27C7H35KV","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"TRYIXWX2","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:TRYIXWX27C7H35KVOJD2KP7MXA","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0406047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2004-06-15T12:31:40Z","cross_cats_sorted":[],"title_canon_sha256":"c3b49fe211cb20995c00e3bcaee4936829e5d99b539f564bb5ad57671aecdf6d","abstract_canon_sha256":"db848065afa82b9cdb1d10a6310361d767e0965303b51339312bc743e37f3624"},"schema_version":"1.0"},"canonical_sha256":"9c708bdafaf8be7df5557247a53fecb839fd94f065444c9ca3a842023bd9853b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:07.058502Z","signature_b64":"UVGfenWDCfI+cvTWgp1JQavKjl9QyZ7q1FQwqVYHRr0ORHZvHXYPe2blCtz92Bhz1ZtMsA5BryAcKiSEy/l9BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c708bdafaf8be7df5557247a53fecb839fd94f065444c9ca3a842023bd9853b","last_reissued_at":"2026-05-18T00:37:07.057847Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:07.057847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0406047","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:37:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tjVpOXc3RB1GhUkzhEV/GNCAYTgBhDQliA2SzVtSzihEr9y9BSqJQ+OjD2Y5hkYibTAZNn7y1ze6STyyZhU2CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T08:13:11.645990Z"},"content_sha256":"7c3a9a23acc4d2fa2b43bcb81463e8d6a58fb22577f767fff343bcae1421a9dc","schema_version":"1.0","event_id":"sha256:7c3a9a23acc4d2fa2b43bcb81463e8d6a58fb22577f767fff343bcae1421a9dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:TRYIXWX27C7H35KVOJD2KP7MXA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral dynamics of the two Lambda(1405) states","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Ramos, D. Jido, E. Oset, J.A. Oller, U.-G. Meissner","submitted_at":"2004-06-15T12:31:40Z","abstract_excerpt":"The Lambda(1405) resonance is studied by a chiral unitary approach, in which the resonance is dynamically generated in coupled-channel meson-baryon scattering. Investigating the analytic structure of the scattering amplitudes obtained by the chiral unitary approach, we find two poles around the energies of the Lambda(1405) coupling differently to the meson-baryon states. We reach the conclusion that the Lambda(1405) resonance seen in experiments is not just one single resonance, but a superposition of these two states."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0406047","kind":"arxiv","version":1},"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":"2026-05-18T00:37:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ub8znDfVvzOhCfav89jEStFgqNV1Uks0LtK2ZogzVRWJ/kEv5hdACuQAhbv3BMoiZGE1wckqDJpMLWAKtSmQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T08:13:11.646360Z"},"content_sha256":"b4c301913870e00217da5050cb1ae6d3bd2a2fc105ec3825481d4e69b280c233","schema_version":"1.0","event_id":"sha256:b4c301913870e00217da5050cb1ae6d3bd2a2fc105ec3825481d4e69b280c233"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TRYIXWX27C7H35KVOJD2KP7MXA/bundle.json","state_url":"https://pith.science/pith/TRYIXWX27C7H35KVOJD2KP7MXA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TRYIXWX27C7H35KVOJD2KP7MXA/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":"2026-07-02T08:13:11Z","links":{"resolver":"https://pith.science/pith/TRYIXWX27C7H35KVOJD2KP7MXA","bundle":"https://pith.science/pith/TRYIXWX27C7H35KVOJD2KP7MXA/bundle.json","state":"https://pith.science/pith/TRYIXWX27C7H35KVOJD2KP7MXA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TRYIXWX27C7H35KVOJD2KP7MXA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:TRYIXWX27C7H35KVOJD2KP7MXA","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":"db848065afa82b9cdb1d10a6310361d767e0965303b51339312bc743e37f3624","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2004-06-15T12:31:40Z","title_canon_sha256":"c3b49fe211cb20995c00e3bcaee4936829e5d99b539f564bb5ad57671aecdf6d"},"schema_version":"1.0","source":{"id":"nucl-th/0406047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0406047","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0406047v1","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0406047","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"pith_short_12","alias_value":"TRYIXWX27C7H","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"TRYIXWX27C7H35KV","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"TRYIXWX2","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:b4c301913870e00217da5050cb1ae6d3bd2a2fc105ec3825481d4e69b280c233","target":"graph","created_at":"2026-05-18T00:37:07Z","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":"The Lambda(1405) resonance is studied by a chiral unitary approach, in which the resonance is dynamically generated in coupled-channel meson-baryon scattering. Investigating the analytic structure of the scattering amplitudes obtained by the chiral unitary approach, we find two poles around the energies of the Lambda(1405) coupling differently to the meson-baryon states. We reach the conclusion that the Lambda(1405) resonance seen in experiments is not just one single resonance, but a superposition of these two states.","authors_text":"A. Ramos, D. Jido, E. Oset, J.A. Oller, U.-G. Meissner","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2004-06-15T12:31:40Z","title":"Chiral dynamics of the two Lambda(1405) states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0406047","kind":"arxiv","version":1},"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":"sha256:7c3a9a23acc4d2fa2b43bcb81463e8d6a58fb22577f767fff343bcae1421a9dc","target":"record","created_at":"2026-05-18T00:37:07Z","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":"db848065afa82b9cdb1d10a6310361d767e0965303b51339312bc743e37f3624","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2004-06-15T12:31:40Z","title_canon_sha256":"c3b49fe211cb20995c00e3bcaee4936829e5d99b539f564bb5ad57671aecdf6d"},"schema_version":"1.0","source":{"id":"nucl-th/0406047","kind":"arxiv","version":1}},"canonical_sha256":"9c708bdafaf8be7df5557247a53fecb839fd94f065444c9ca3a842023bd9853b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c708bdafaf8be7df5557247a53fecb839fd94f065444c9ca3a842023bd9853b","first_computed_at":"2026-05-18T00:37:07.057847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:07.057847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UVGfenWDCfI+cvTWgp1JQavKjl9QyZ7q1FQwqVYHRr0ORHZvHXYPe2blCtz92Bhz1ZtMsA5BryAcKiSEy/l9BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:07.058502Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0406047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c3a9a23acc4d2fa2b43bcb81463e8d6a58fb22577f767fff343bcae1421a9dc","sha256:b4c301913870e00217da5050cb1ae6d3bd2a2fc105ec3825481d4e69b280c233"],"state_sha256":"39a00c7c95ccc1d03723ad9eaaa8e049901c175f170d62d90eee92d4a46fd07f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GI5UOc/IgP6p5l0iI7yd4Mawcwrngin3ID8oKgJKDkGz2nktO4VEN5A3C9vSQEyFd9eZSjy6o5SJ6KDtqRHQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T08:13:11.648710Z","bundle_sha256":"2db6a149baa2575b7477dd94c01c43719e2cf0c371a0dc42b57dc7d299e30d2c"}}