{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:KXARHFNUBVBQJWFSNOZGDYNT6E","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":"844e8d351927b5821949d15dd6f62914b60013c016179d010b2cbb706d1e17ee","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"1995-10-03T12:28:32Z","title_canon_sha256":"564e2474985aa20d9021ecc59c9f7071b6bb5bb5df9118a9897939d2827d495f"},"schema_version":"1.0","source":{"id":"nucl-th/9510007","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/9510007","created_at":"2026-05-18T01:38:12Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/9510007v3","created_at":"2026-05-18T01:38:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/9510007","created_at":"2026-05-18T01:38:12Z"},{"alias_kind":"pith_short_12","alias_value":"KXARHFNUBVBQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"KXARHFNUBVBQJWFS","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"KXARHFNU","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:e7b5ebf08183aac30a5e9010a383a4959bf5c081131a9d0559a457706b8db7be","target":"graph","created_at":"2026-05-18T01:38:12Z","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 gamma p ---> pi+ pi- p reaction, in combination with data from the pi N ---> pi pi N reaction, allows one to obtain the s- and d-wave amplitudes for the N*(1520) decay into Delta pi with absolute sign with respect to the N*(1520) ---> N gamma helicity amplitudes. In addition one obtains the novel information on the q dependence of the amplitudes. This dependence fits exactly with the predictions of the non-relativistic constituent quark models. The absolute values provided by these models agree only qualitatively, and a discussion is done on the reasons for it and possible ways to improve.","authors_text":"Centro Mixto Universidad de Valencia-CSIC, E. Oset (Departamento de Fisica Teorica, F. Cano, IFIC, J.A. Gomez Tejedor, Spain ), Valencia","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"1995-10-03T12:28:32Z","title":"The N*(1520) ---> Delta pi Amplitudes Extracted from the gamma p ---> pi+ pi- p Reaction and Comparison to Quark Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/9510007","kind":"arxiv","version":3},"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":"sha256:18a1ea74fd7936b74cace2f54ccc6eb2c79c32604b9a6110369b04519af9d83f","target":"record","created_at":"2026-05-18T01:38:12Z","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":"844e8d351927b5821949d15dd6f62914b60013c016179d010b2cbb706d1e17ee","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"1995-10-03T12:28:32Z","title_canon_sha256":"564e2474985aa20d9021ecc59c9f7071b6bb5bb5df9118a9897939d2827d495f"},"schema_version":"1.0","source":{"id":"nucl-th/9510007","kind":"arxiv","version":3}},"canonical_sha256":"55c11395b40d4304d8b26bb261e1b3f11b6b00e17261e4bfb0008d5fb5373bc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"55c11395b40d4304d8b26bb261e1b3f11b6b00e17261e4bfb0008d5fb5373bc0","first_computed_at":"2026-05-18T01:38:12.489984Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:12.489984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lUHvbqTPPmDLIzND1zrBFYbqb567Omirf2spDgKE01qDHtLN9tYJz65hqm42NjuR/VaQzCVO93lRDDwkba9hDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:12.490668Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/9510007","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18a1ea74fd7936b74cace2f54ccc6eb2c79c32604b9a6110369b04519af9d83f","sha256:e7b5ebf08183aac30a5e9010a383a4959bf5c081131a9d0559a457706b8db7be"],"state_sha256":"9cefddb8f045229f75ef7e74f83fe9abefc5cb8ce5cb50e9f54e3138c850b040"}