{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:66UKSXHWNSCCTDYXVNHJVFWDM3","short_pith_number":"pith:66UKSXHW","schema_version":"1.0","canonical_sha256":"f7a8a95cf66c84298f17ab4e9a96c366e749e245c977539c0cacebc8e417fd3a","source":{"kind":"arxiv","id":"1011.2212","version":2},"attestation_state":"computed","paper":{"title":"Hypercharge Flux, Exotics, and Anomaly Cancellation in F-theory GUTs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Joseph Marsano","submitted_at":"2010-11-09T21:04:00Z","abstract_excerpt":"We sharpen constraints related to hypercharge flux in F-theory GUTs that possess U(1) symmetries and argue that they arise as a consequence of 4-dimensional anomaly cancellation. This gives a physical explanation for all restrictions that were observed in spectral cover models while demonstrating that the phenomenological implications for a well-motivated set of models are not tied to any particular formalism."},"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":"1011.2212","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-11-09T21:04:00Z","cross_cats_sorted":[],"title_canon_sha256":"6095739f683ebc24efa8936ee1f25581b918fd5c7b218f9b56c047f59a26dffb","abstract_canon_sha256":"b48cf6896b8451cfdd9e69fc30ab643d50f5c66d976b199c6e06dc159a055a8b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:34.781495Z","signature_b64":"MkLhUf4EssI39bUvkuvafwq5F7Ni5Cvrw/KaGk24WdM0yztT9I7+kqw5TT3gFjQo+mwsBCBQLDpRqZOaL3ZOBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7a8a95cf66c84298f17ab4e9a96c366e749e245c977539c0cacebc8e417fd3a","last_reissued_at":"2026-05-18T04:26:34.780737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:34.780737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hypercharge Flux, Exotics, and Anomaly Cancellation in F-theory GUTs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Joseph Marsano","submitted_at":"2010-11-09T21:04:00Z","abstract_excerpt":"We sharpen constraints related to hypercharge flux in F-theory GUTs that possess U(1) symmetries and argue that they arise as a consequence of 4-dimensional anomaly cancellation. This gives a physical explanation for all restrictions that were observed in spectral cover models while demonstrating that the phenomenological implications for a well-motivated set of models are not tied to any particular formalism."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2212","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":"1011.2212","created_at":"2026-05-18T04:26:34.780840+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.2212v2","created_at":"2026-05-18T04:26:34.780840+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2212","created_at":"2026-05-18T04:26:34.780840+00:00"},{"alias_kind":"pith_short_12","alias_value":"66UKSXHWNSCC","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"66UKSXHWNSCCTDYX","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"66UKSXHW","created_at":"2026-05-18T12:26:04.259169+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/66UKSXHWNSCCTDYXVNHJVFWDM3","json":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3.json","graph_json":"https://pith.science/api/pith-number/66UKSXHWNSCCTDYXVNHJVFWDM3/graph.json","events_json":"https://pith.science/api/pith-number/66UKSXHWNSCCTDYXVNHJVFWDM3/events.json","paper":"https://pith.science/paper/66UKSXHW"},"agent_actions":{"view_html":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3","download_json":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3.json","view_paper":"https://pith.science/paper/66UKSXHW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.2212&json=true","fetch_graph":"https://pith.science/api/pith-number/66UKSXHWNSCCTDYXVNHJVFWDM3/graph.json","fetch_events":"https://pith.science/api/pith-number/66UKSXHWNSCCTDYXVNHJVFWDM3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3/action/storage_attestation","attest_author":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3/action/author_attestation","sign_citation":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3/action/citation_signature","submit_replication":"https://pith.science/pith/66UKSXHWNSCCTDYXVNHJVFWDM3/action/replication_record"}},"created_at":"2026-05-18T04:26:34.780840+00:00","updated_at":"2026-05-18T04:26:34.780840+00:00"}