{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:WP7HKNLCEWCQXSD3AEWG3CYO37","short_pith_number":"pith:WP7HKNLC","canonical_record":{"source":{"id":"nucl-th/0307005","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2003-07-01T12:51:53Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"ded77557f0f9152a19097c1d08ee6f27857609d134430d079b987b4089d0c419","abstract_canon_sha256":"047510fec59569bc291b4b71d651a75e54d9513ffc122e5c7e3f0cba9b2dae81"},"schema_version":"1.0"},"canonical_sha256":"b3fe75356225850bc87b012c6d8b0edfeaf58e956d272b3bb6324021e29e7f3d","source":{"kind":"arxiv","id":"nucl-th/0307005","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0307005","created_at":"2026-05-18T04:29:44Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0307005v2","created_at":"2026-05-18T04:29:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0307005","created_at":"2026-05-18T04:29:44Z"},{"alias_kind":"pith_short_12","alias_value":"WP7HKNLCEWCQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"WP7HKNLCEWCQXSD3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"WP7HKNLC","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:WP7HKNLCEWCQXSD3AEWG3CYO37","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0307005","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2003-07-01T12:51:53Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"ded77557f0f9152a19097c1d08ee6f27857609d134430d079b987b4089d0c419","abstract_canon_sha256":"047510fec59569bc291b4b71d651a75e54d9513ffc122e5c7e3f0cba9b2dae81"},"schema_version":"1.0"},"canonical_sha256":"b3fe75356225850bc87b012c6d8b0edfeaf58e956d272b3bb6324021e29e7f3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:44.904212Z","signature_b64":"iNA8RtFDx+TuB3uxjaMKBa5DtIcjiznlOL/oUxya4Tg1XOsjDd4gcb5bKC94plCxNmDZQ3Ur1o/hjaRW4kA9Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3fe75356225850bc87b012c6d8b0edfeaf58e956d272b3bb6324021e29e7f3d","last_reissued_at":"2026-05-18T04:29:44.903710Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:44.903710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0307005","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":"2026-05-18T04:29:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I3iffWp1J6LwB2x9x15Q+bDWumsg/S3dtqPd8C4IGoR1sjcvZ5bpbV/nrR228wv109ih+U52wtBzs+HYThv5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:27:22.026113Z"},"content_sha256":"6d997842b72bdacd6948c2347039ff9acf2cd3dd1d010ffb7b7d49fe38a319e7","schema_version":"1.0","event_id":"sha256:6d997842b72bdacd6948c2347039ff9acf2cd3dd1d010ffb7b7d49fe38a319e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:WP7HKNLCEWCQXSD3AEWG3CYO37","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\Lambda(1405)$ production in the $\\pi^-p\\to K^0\\pi\\Sigma$ reaction","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"(2) IFIC, (3) Barcelona Univ.), A. Hosaka (1), A. Ramos (3), E. Oset (2), M. J. Vicente Vacas (2) ((1) RCNP, Osaka Univ., T. Hyodo (1), Valencia Univ.","submitted_at":"2003-07-01T12:51:53Z","abstract_excerpt":"We discuss the mechanisms that lead to $\\Lambda(1405)$ production in the $\\pi^-p\\to K^0\\pi\\Sigma$ reaction. The problem has gained renewed interest after different works converge to the conclusion that there are two resonances around the region of 1400 MeV, rather than one, and that they couple differently to the $\\pi\\Sigma$ and $\\bar{K}N$ channels. We look at the dynamics of that reaction and find two mechanisms which eventually filter each one of the resonances, leading to very different shapes of the $\\pi\\Sigma$ invariant mass distributions. The combination of the two mechanisms leads to a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0307005","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":"2026-05-18T04:29:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RoxQf3A/ZUWDD5YX0OjOKpBZ8Oku4OiARyRNBwDBAMZmi074mUPvC6icVB4HYG3Bm4LThwJwQc9iZvoxNxeeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:27:22.026477Z"},"content_sha256":"f2b2d35116163bc8d817dd47f24dc42d5f1be6f1646fea4d845700a4ce99bc5b","schema_version":"1.0","event_id":"sha256:f2b2d35116163bc8d817dd47f24dc42d5f1be6f1646fea4d845700a4ce99bc5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WP7HKNLCEWCQXSD3AEWG3CYO37/bundle.json","state_url":"https://pith.science/pith/WP7HKNLCEWCQXSD3AEWG3CYO37/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WP7HKNLCEWCQXSD3AEWG3CYO37/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":"2026-06-02T23:27:22Z","links":{"resolver":"https://pith.science/pith/WP7HKNLCEWCQXSD3AEWG3CYO37","bundle":"https://pith.science/pith/WP7HKNLCEWCQXSD3AEWG3CYO37/bundle.json","state":"https://pith.science/pith/WP7HKNLCEWCQXSD3AEWG3CYO37/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WP7HKNLCEWCQXSD3AEWG3CYO37/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:WP7HKNLCEWCQXSD3AEWG3CYO37","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":"047510fec59569bc291b4b71d651a75e54d9513ffc122e5c7e3f0cba9b2dae81","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2003-07-01T12:51:53Z","title_canon_sha256":"ded77557f0f9152a19097c1d08ee6f27857609d134430d079b987b4089d0c419"},"schema_version":"1.0","source":{"id":"nucl-th/0307005","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0307005","created_at":"2026-05-18T04:29:44Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0307005v2","created_at":"2026-05-18T04:29:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0307005","created_at":"2026-05-18T04:29:44Z"},{"alias_kind":"pith_short_12","alias_value":"WP7HKNLCEWCQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"WP7HKNLCEWCQXSD3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"WP7HKNLC","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:f2b2d35116163bc8d817dd47f24dc42d5f1be6f1646fea4d845700a4ce99bc5b","target":"graph","created_at":"2026-05-18T04:29:44Z","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 discuss the mechanisms that lead to $\\Lambda(1405)$ production in the $\\pi^-p\\to K^0\\pi\\Sigma$ reaction. The problem has gained renewed interest after different works converge to the conclusion that there are two resonances around the region of 1400 MeV, rather than one, and that they couple differently to the $\\pi\\Sigma$ and $\\bar{K}N$ channels. We look at the dynamics of that reaction and find two mechanisms which eventually filter each one of the resonances, leading to very different shapes of the $\\pi\\Sigma$ invariant mass distributions. The combination of the two mechanisms leads to a ","authors_text":"(2) IFIC, (3) Barcelona Univ.), A. Hosaka (1), A. Ramos (3), E. Oset (2), M. J. Vicente Vacas (2) ((1) RCNP, Osaka Univ., T. Hyodo (1), Valencia Univ.","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2003-07-01T12:51:53Z","title":"$\\Lambda(1405)$ production in the $\\pi^-p\\to K^0\\pi\\Sigma$ reaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0307005","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":"sha256:6d997842b72bdacd6948c2347039ff9acf2cd3dd1d010ffb7b7d49fe38a319e7","target":"record","created_at":"2026-05-18T04:29:44Z","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":"047510fec59569bc291b4b71d651a75e54d9513ffc122e5c7e3f0cba9b2dae81","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2003-07-01T12:51:53Z","title_canon_sha256":"ded77557f0f9152a19097c1d08ee6f27857609d134430d079b987b4089d0c419"},"schema_version":"1.0","source":{"id":"nucl-th/0307005","kind":"arxiv","version":2}},"canonical_sha256":"b3fe75356225850bc87b012c6d8b0edfeaf58e956d272b3bb6324021e29e7f3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3fe75356225850bc87b012c6d8b0edfeaf58e956d272b3bb6324021e29e7f3d","first_computed_at":"2026-05-18T04:29:44.903710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:44.903710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iNA8RtFDx+TuB3uxjaMKBa5DtIcjiznlOL/oUxya4Tg1XOsjDd4gcb5bKC94plCxNmDZQ3Ur1o/hjaRW4kA9Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:44.904212Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0307005","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d997842b72bdacd6948c2347039ff9acf2cd3dd1d010ffb7b7d49fe38a319e7","sha256:f2b2d35116163bc8d817dd47f24dc42d5f1be6f1646fea4d845700a4ce99bc5b"],"state_sha256":"5796f0066d2f4101715dd01f41360e9b7a02c7879ebd5913b216eb5fb549e8a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VnHZatwvbTCkDKqIsWBjeFhPCZk4TT7653BSRUSMc5hvMt0AL5CbGDJxGHNNIYfD/kecutjgr5zGsiSP5ea0Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T23:27:22.028416Z","bundle_sha256":"144e38faf39991cb1f3bd483a84b535a9304c1324d29cb0eb49874da0035edbd"}}