{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:FYTIR3Q4FPE6QSI3WWHT5UNUXM","short_pith_number":"pith:FYTIR3Q4","canonical_record":{"source":{"id":"nucl-th/0509047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2005-09-19T14:24:27Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"b1feb90c2a764fc48bbbf80b3f682d8685c8f20235f474c1e1d74a530c2a863c","abstract_canon_sha256":"51d0e0b7ce1a62a80580671a5d8119e10cf19693e4f706c6b64f76a1df3b24a2"},"schema_version":"1.0"},"canonical_sha256":"2e2688ee1c2bc9e8491bb58f3ed1b4bb30abb7e4ff1447e83af8bc9b3dc517eb","source":{"kind":"arxiv","id":"nucl-th/0509047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0509047","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0509047v1","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0509047","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"FYTIR3Q4FPE6","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"pith_short_16","alias_value":"FYTIR3Q4FPE6QSI3","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"pith_short_8","alias_value":"FYTIR3Q4","created_at":"2026-07-04T16:56:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:FYTIR3Q4FPE6QSI3WWHT5UNUXM","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0509047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2005-09-19T14:24:27Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"b1feb90c2a764fc48bbbf80b3f682d8685c8f20235f474c1e1d74a530c2a863c","abstract_canon_sha256":"51d0e0b7ce1a62a80580671a5d8119e10cf19693e4f706c6b64f76a1df3b24a2"},"schema_version":"1.0"},"canonical_sha256":"2e2688ee1c2bc9e8491bb58f3ed1b4bb30abb7e4ff1447e83af8bc9b3dc517eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:56:59.485891Z","signature_b64":"ya091U+016MEReaalvbTAa0MVmVOWhlT0FctHG6OdranFxjGnXyinhLMQtMEFzT7whjUajgYqohHz91/WSaLAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e2688ee1c2bc9e8491bb58f3ed1b4bb30abb7e4ff1447e83af8bc9b3dc517eb","last_reissued_at":"2026-07-04T16:56:59.485469Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:56:59.485469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0509047","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":"2026-07-04T16:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLlKRxOVlBDFM5B1BDnMYK9jF2VvH7hsFlLIfce3xz5KpyTy1RhFkxR20Gstt6TdF2kdybQ3xSiHsaneKHO3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T23:56:23.412778Z"},"content_sha256":"5d4e454f6420b6ca54f2ea5915587860a103ad579c36b43cb5f30bf9f9e7fab8","schema_version":"1.0","event_id":"sha256:5d4e454f6420b6ca54f2ea5915587860a103ad579c36b43cb5f30bf9f9e7fab8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:FYTIR3Q4FPE6QSI3WWHT5UNUXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Helicity amplitudes and electromagnetic decays of hyperon resonances","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"(2) Helmholtz Institut fuer Strahlen- und Kernphysik, Belgium, Bernard Metsch (2), Bonn, Germany), Herbert-R. Petry (2) ((1) Ghent University, Jan Ryckebusch (1), Tim Van Cauteren (1)","submitted_at":"2005-09-19T14:24:27Z","abstract_excerpt":"We present results for the helicity amplitudes of the lowest-lying hyperon resonances Y*, computed within the framework of the Bonn constituent-quark model, which is based on the Bethe-Salpeter approach. The seven parameters entering the model were fitted to the best known baryon masses. Accordingly, the results for the helicity amplitudes are genuine predictions. Some hyperon resonances are seen to couple more strongly to a virtual photon with finite Q^2 than to a real photon. Other Y*'s, such as the S_{01}(1670) Lambda resonance or the S_{11}(1620) Sigma resonance, couple very strongly to re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0509047","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-th/0509047/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"10joWReOj/Xd5GD7xu4pTQvvJmFS7A+zeicDk80OIu/HohrvYXjfMzr58rDNkIMPAdXhC3Ire0ZLih7fbsJHAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T23:56:23.413157Z"},"content_sha256":"42db5390e7649e6a2912c7c9034c1ff3248c04144a2693504fb03e0df56fb135","schema_version":"1.0","event_id":"sha256:42db5390e7649e6a2912c7c9034c1ff3248c04144a2693504fb03e0df56fb135"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM/bundle.json","state_url":"https://pith.science/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM/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":"2026-07-24T23:56:23Z","links":{"resolver":"https://pith.science/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM","bundle":"https://pith.science/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM/bundle.json","state":"https://pith.science/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FYTIR3Q4FPE6QSI3WWHT5UNUXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:FYTIR3Q4FPE6QSI3WWHT5UNUXM","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":"51d0e0b7ce1a62a80580671a5d8119e10cf19693e4f706c6b64f76a1df3b24a2","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2005-09-19T14:24:27Z","title_canon_sha256":"b1feb90c2a764fc48bbbf80b3f682d8685c8f20235f474c1e1d74a530c2a863c"},"schema_version":"1.0","source":{"id":"nucl-th/0509047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0509047","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0509047v1","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0509047","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"FYTIR3Q4FPE6","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"pith_short_16","alias_value":"FYTIR3Q4FPE6QSI3","created_at":"2026-07-04T16:56:59Z"},{"alias_kind":"pith_short_8","alias_value":"FYTIR3Q4","created_at":"2026-07-04T16:56:59Z"}],"graph_snapshots":[{"event_id":"sha256:42db5390e7649e6a2912c7c9034c1ff3248c04144a2693504fb03e0df56fb135","target":"graph","created_at":"2026-07-04T16:56:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/nucl-th/0509047/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present results for the helicity amplitudes of the lowest-lying hyperon resonances Y*, computed within the framework of the Bonn constituent-quark model, which is based on the Bethe-Salpeter approach. The seven parameters entering the model were fitted to the best known baryon masses. Accordingly, the results for the helicity amplitudes are genuine predictions. Some hyperon resonances are seen to couple more strongly to a virtual photon with finite Q^2 than to a real photon. Other Y*'s, such as the S_{01}(1670) Lambda resonance or the S_{11}(1620) Sigma resonance, couple very strongly to re","authors_text":"(2) Helmholtz Institut fuer Strahlen- und Kernphysik, Belgium, Bernard Metsch (2), Bonn, Germany), Herbert-R. Petry (2) ((1) Ghent University, Jan Ryckebusch (1), Tim Van Cauteren (1)","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2005-09-19T14:24:27Z","title":"Helicity amplitudes and electromagnetic decays of hyperon resonances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0509047","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":"sha256:5d4e454f6420b6ca54f2ea5915587860a103ad579c36b43cb5f30bf9f9e7fab8","target":"record","created_at":"2026-07-04T16:56:59Z","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":"51d0e0b7ce1a62a80580671a5d8119e10cf19693e4f706c6b64f76a1df3b24a2","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2005-09-19T14:24:27Z","title_canon_sha256":"b1feb90c2a764fc48bbbf80b3f682d8685c8f20235f474c1e1d74a530c2a863c"},"schema_version":"1.0","source":{"id":"nucl-th/0509047","kind":"arxiv","version":1}},"canonical_sha256":"2e2688ee1c2bc9e8491bb58f3ed1b4bb30abb7e4ff1447e83af8bc9b3dc517eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e2688ee1c2bc9e8491bb58f3ed1b4bb30abb7e4ff1447e83af8bc9b3dc517eb","first_computed_at":"2026-07-04T16:56:59.485469Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:56:59.485469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ya091U+016MEReaalvbTAa0MVmVOWhlT0FctHG6OdranFxjGnXyinhLMQtMEFzT7whjUajgYqohHz91/WSaLAw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:56:59.485891Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0509047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d4e454f6420b6ca54f2ea5915587860a103ad579c36b43cb5f30bf9f9e7fab8","sha256:42db5390e7649e6a2912c7c9034c1ff3248c04144a2693504fb03e0df56fb135"],"state_sha256":"f801d1928c624cb99a6e3863cbc7a043abee0e224155e9b630454c70cc41de09"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ml8YyHDr2sBvIr/JNc7idbWFL0Ae/euMnyl0GN4PjySkoPY6JGYN6ruaOTjExg1rCx3AD1sG+ZE/4gar05RoBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T23:56:23.415701Z","bundle_sha256":"c95f3da21ee29dcd2f83cf978ebdf25abf30fad000739ad685270623610f5019"}}