{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:5GRBNB5QJZCUKPCGTTN2PJYIHK","short_pith_number":"pith:5GRBNB5Q","schema_version":"1.0","canonical_sha256":"e9a21687b04e45453c469cdba7a7083ab57512b1779b441623ccda3fbedd7ce8","source":{"kind":"arxiv","id":"2403.09775","version":4},"attestation_state":"computed","paper":{"title":"Yukawa Couplings at Infinite Distance and Swampland Towers in Chiral Theories","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Fernando Marchesano, Gonzalo F. Casas, Luis E. Ib\\'a\\~nez","submitted_at":"2024-03-14T18:00:05Z","abstract_excerpt":"We study limits of vanishing Yukawa couplings of 4d chiral matter fields in Quantum Gravity, using as a laboratory type IIA orientifolds with D6-branes. In these theories chiral fermions arise at brane intersections, where an infinite tower of charged particles dubbed gonions are localised. We show that in the limit $Y\\rightarrow 0$ some of these towers become asymptotically massless, while at the same time the kinetic term of some chiral fields becomes singular and at least two extra dimensions decompactify. For limits parametrised by a large complex structure saxion $u$, Yukawa couplings hav"},"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":"2403.09775","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2024-03-14T18:00:05Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"d1c22b88c283bba75d47455e68f95b60ce252f13311af4c14d4522796696f7db","abstract_canon_sha256":"ec58a5d38b338c81a47bab5d75b0797b10bd24e75229b41f28f036f5a8a5d87b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:06:40.671476Z","signature_b64":"RukYT9uV8U9E5XWf23aXsEak6El8H2bVJCsi3hiw6BtMGmk0VKbi4o748+MPxJEjKkMskF7WKO5LTpIxyODiDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9a21687b04e45453c469cdba7a7083ab57512b1779b441623ccda3fbedd7ce8","last_reissued_at":"2026-07-05T09:06:40.671020Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:06:40.671020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Yukawa Couplings at Infinite Distance and Swampland Towers in Chiral Theories","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Fernando Marchesano, Gonzalo F. Casas, Luis E. Ib\\'a\\~nez","submitted_at":"2024-03-14T18:00:05Z","abstract_excerpt":"We study limits of vanishing Yukawa couplings of 4d chiral matter fields in Quantum Gravity, using as a laboratory type IIA orientifolds with D6-branes. In these theories chiral fermions arise at brane intersections, where an infinite tower of charged particles dubbed gonions are localised. We show that in the limit $Y\\rightarrow 0$ some of these towers become asymptotically massless, while at the same time the kinetic term of some chiral fields becomes singular and at least two extra dimensions decompactify. For limits parametrised by a large complex structure saxion $u$, Yukawa couplings hav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.09775","kind":"arxiv","version":4},"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/2403.09775/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2403.09775","created_at":"2026-07-05T09:06:40.671076+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.09775v4","created_at":"2026-07-05T09:06:40.671076+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.09775","created_at":"2026-07-05T09:06:40.671076+00:00"},{"alias_kind":"pith_short_12","alias_value":"5GRBNB5QJZCU","created_at":"2026-07-05T09:06:40.671076+00:00"},{"alias_kind":"pith_short_16","alias_value":"5GRBNB5QJZCUKPCG","created_at":"2026-07-05T09:06:40.671076+00:00"},{"alias_kind":"pith_short_8","alias_value":"5GRBNB5Q","created_at":"2026-07-05T09:06:40.671076+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.03005","citing_title":"Taxonomy of Instanton Corrections in Infinite Distance Limits","ref_index":14,"is_internal_anchor":false},{"citing_arxiv_id":"2604.27835","citing_title":"Some Properties and Uses of the Species Scale","ref_index":38,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03005","citing_title":"Taxonomy of Instanton Corrections in Infinite Distance Limits","ref_index":14,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK","json":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK.json","graph_json":"https://pith.science/api/pith-number/5GRBNB5QJZCUKPCGTTN2PJYIHK/graph.json","events_json":"https://pith.science/api/pith-number/5GRBNB5QJZCUKPCGTTN2PJYIHK/events.json","paper":"https://pith.science/paper/5GRBNB5Q"},"agent_actions":{"view_html":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK","download_json":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK.json","view_paper":"https://pith.science/paper/5GRBNB5Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.09775&json=true","fetch_graph":"https://pith.science/api/pith-number/5GRBNB5QJZCUKPCGTTN2PJYIHK/graph.json","fetch_events":"https://pith.science/api/pith-number/5GRBNB5QJZCUKPCGTTN2PJYIHK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK/action/storage_attestation","attest_author":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK/action/author_attestation","sign_citation":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK/action/citation_signature","submit_replication":"https://pith.science/pith/5GRBNB5QJZCUKPCGTTN2PJYIHK/action/replication_record"}},"created_at":"2026-07-05T09:06:40.671076+00:00","updated_at":"2026-07-05T09:06:40.671076+00:00"}