{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:IIKTYACNSHIBY54CM35SJOFWW4","short_pith_number":"pith:IIKTYACN","schema_version":"1.0","canonical_sha256":"42153c004d91d01c778266fb24b8b6b724b182044dc1017ae87b8d5e4a9bdc15","source":{"kind":"arxiv","id":"0906.0581","version":2},"attestation_state":"computed","paper":{"title":"The Point of E_8 in F-theory GUTs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"hep-th","authors_text":"Alireza Tavanfar, Cumrun Vafa, Jonathan J. Heckman","submitted_at":"2009-06-03T19:02:57Z","abstract_excerpt":"We show that in F-theory GUTs, a natural explanation of flavor hierarchies in the quark and lepton sector requires a single point of E_8 enhancement in the internal geometry, from which all Yukawa couplings originate. The monodromy group acting on the seven-brane configuration plays a key role in this analysis. Moreover, the E_8 structure automatically leads to the existence of the additional fields and interactions needed for minimal gauge mediated supersymmetry breaking,__and almost nothing else__. Surprisingly, we find that in all but one Dirac neutrino scenario the messenger fields in the "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0906.0581","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-06-03T19:02:57Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"5a6e3293b4750901d82b57cecb3c4612851c9db4e9e2c722ad2ab4e1fe65836f","abstract_canon_sha256":"272699437c0d786a109e8e0b448cc215c401dbf82740cc7242cec678b67ab6d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:45.966972Z","signature_b64":"AeE8f8TJQ7ZXHhowJBRlMXgKufsbhKDE5+OLH1yknjPT40xsG8wGEU+lqeNo16OBVXVE7AOeVlNGKD7E5Z1zDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42153c004d91d01c778266fb24b8b6b724b182044dc1017ae87b8d5e4a9bdc15","last_reissued_at":"2026-05-18T02:34:45.966575Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:45.966575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Point of E_8 in F-theory GUTs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"hep-th","authors_text":"Alireza Tavanfar, Cumrun Vafa, Jonathan J. Heckman","submitted_at":"2009-06-03T19:02:57Z","abstract_excerpt":"We show that in F-theory GUTs, a natural explanation of flavor hierarchies in the quark and lepton sector requires a single point of E_8 enhancement in the internal geometry, from which all Yukawa couplings originate. The monodromy group acting on the seven-brane configuration plays a key role in this analysis. Moreover, the E_8 structure automatically leads to the existence of the additional fields and interactions needed for minimal gauge mediated supersymmetry breaking,__and almost nothing else__. Surprisingly, we find that in all but one Dirac neutrino scenario the messenger fields in the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.0581","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0906.0581","created_at":"2026-05-18T02:34:45.966637+00:00"},{"alias_kind":"arxiv_version","alias_value":"0906.0581v2","created_at":"2026-05-18T02:34:45.966637+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.0581","created_at":"2026-05-18T02:34:45.966637+00:00"},{"alias_kind":"pith_short_12","alias_value":"IIKTYACNSHIB","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"IIKTYACNSHIBY54C","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"IIKTYACN","created_at":"2026-05-18T12:26:00.592388+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4","json":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4.json","graph_json":"https://pith.science/api/pith-number/IIKTYACNSHIBY54CM35SJOFWW4/graph.json","events_json":"https://pith.science/api/pith-number/IIKTYACNSHIBY54CM35SJOFWW4/events.json","paper":"https://pith.science/paper/IIKTYACN"},"agent_actions":{"view_html":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4","download_json":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4.json","view_paper":"https://pith.science/paper/IIKTYACN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0906.0581&json=true","fetch_graph":"https://pith.science/api/pith-number/IIKTYACNSHIBY54CM35SJOFWW4/graph.json","fetch_events":"https://pith.science/api/pith-number/IIKTYACNSHIBY54CM35SJOFWW4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4/action/storage_attestation","attest_author":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4/action/author_attestation","sign_citation":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4/action/citation_signature","submit_replication":"https://pith.science/pith/IIKTYACNSHIBY54CM35SJOFWW4/action/replication_record"}},"created_at":"2026-05-18T02:34:45.966637+00:00","updated_at":"2026-05-18T02:34:45.966637+00:00"}