{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:JSTYRX3TXYAQ5KGK25XFGALP75","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":"281899f4bfc1deefb86afd053456b8badfb6ed5685c03db34a202567c107e03a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-04-06T16:47:38Z","title_canon_sha256":"c822600c872a8dbac7d29b1e6550594b817a44f2aa40736d9e4280bb01174d45"},"schema_version":"1.0","source":{"id":"hep-ph/9904249","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9904249","created_at":"2026-05-18T04:22:18Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9904249v2","created_at":"2026-05-18T04:22:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9904249","created_at":"2026-05-18T04:22:18Z"},{"alias_kind":"pith_short_12","alias_value":"JSTYRX3TXYAQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"JSTYRX3TXYAQ5KGK","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"JSTYRX3T","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:1d31ab250feaa4558491dddff32c30948ad6bc2fb642467f4629d2f7419f29ec","target":"graph","created_at":"2026-05-18T04:22:18Z","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":"By supplementing minimal supersymmetric SU(5) (MSSU(5)) with a flavor ${\\cal U}(1)$ symmetry and two pairs of $\\bar{15}+15$ `matter' supermultiplets, we present an improved model which explains the charged fermion mass hierarchies and the magnitudes of the CKM matrix elements, while avoiding the undesirable asymptotic mass relations $m_s=m_{\\mu}, m_d/m_s = m_e/m_{\\mu}$. The strong coupling $\\alpha_s (M_Z)$ is predicted to be approximately 0.115, and the proton lifetime is estimated to be about five times larger than the MSSU(5) value. The atmospheric and solar neutrino puzzles are respectively","authors_text":"Qaisar Shafi, Zurab Tavartkiladze","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-04-06T16:47:38Z","title":"An Improved Supersymmetric SU(5)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9904249","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":"sha256:9870d5a0336e44d40bf189a0a143d500d223c3e2884be0cd96043b9ab12f22ab","target":"record","created_at":"2026-05-18T04:22:18Z","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":"281899f4bfc1deefb86afd053456b8badfb6ed5685c03db34a202567c107e03a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-04-06T16:47:38Z","title_canon_sha256":"c822600c872a8dbac7d29b1e6550594b817a44f2aa40736d9e4280bb01174d45"},"schema_version":"1.0","source":{"id":"hep-ph/9904249","kind":"arxiv","version":2}},"canonical_sha256":"4ca788df73be010ea8cad76e53016fff57abdaadf3424a2e40e75e279bea8eee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ca788df73be010ea8cad76e53016fff57abdaadf3424a2e40e75e279bea8eee","first_computed_at":"2026-05-18T04:22:18.614349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:18.614349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f7UY/pbpWrrpBjCFO3w9txHkKNfzLyKWX0szREgp7TtoRaH2uXM4is46/COLGDtj89lMNjcUfbJZvoOjng8lBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:18.614980Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9904249","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9870d5a0336e44d40bf189a0a143d500d223c3e2884be0cd96043b9ab12f22ab","sha256:1d31ab250feaa4558491dddff32c30948ad6bc2fb642467f4629d2f7419f29ec"],"state_sha256":"3b2d6298a63a26f0ec1406bb0ec3f50d67e2bf2466c8f167775c293f6ad1b822"}