{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:6QBHOADTH6YRR5WX7ZBLFNRRQI","short_pith_number":"pith:6QBHOADT","schema_version":"1.0","canonical_sha256":"f4027700733fb118f6d7fe42b2b6318202aa5725010a51f97b3f95544c1bf916","source":{"kind":"arxiv","id":"1511.04065","version":1},"attestation_state":"computed","paper":{"title":"N=4 Superconformal Bootstrap of the K3 CFT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"David Simmons-Duffin, Shu-Heng Shao, Xi Yin, Yifan Wang, Ying-Hsuan Lin","submitted_at":"2015-11-12T20:44:42Z","abstract_excerpt":"We study two-dimensional (4,4) superconformal field theories of central charge c=6, corresponding to nonlinear sigma models on K3 surfaces, using the superconformal bootstrap. This is made possible through a surprising relation between the BPS N=4 superconformal blocks with c=6 and bosonic Virasoro conformal blocks with c=28, and an exact result on the moduli dependence of a certain integrated BPS 4-point function. Nontrivial bounds on the non-BPS spectrum in the K3 CFT are obtained as functions of the CFT moduli, that interpolate between the free orbifold points and singular CFT points. We ob"},"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":"1511.04065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-11-12T20:44:42Z","cross_cats_sorted":[],"title_canon_sha256":"421c98160b4bf97e65ba1eeb9dcbcb7807dd63c8cf10ad251271eb1aa9e8a196","abstract_canon_sha256":"3abd79e1f7946fa515cbb6eed6233bbc09018d1d879d21d2fd64f11bff2cbb0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:06.034245Z","signature_b64":"Ns1m3J54LSVemk68eTaumON/yN2dIQhO0jBlwvfOlgOe8xfYQL96uZ6fazcF/evt+APK2wbBGu4b2SOk1GLRAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4027700733fb118f6d7fe42b2b6318202aa5725010a51f97b3f95544c1bf916","last_reissued_at":"2026-05-18T01:27:06.033554Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:06.033554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"N=4 Superconformal Bootstrap of the K3 CFT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"David Simmons-Duffin, Shu-Heng Shao, Xi Yin, Yifan Wang, Ying-Hsuan Lin","submitted_at":"2015-11-12T20:44:42Z","abstract_excerpt":"We study two-dimensional (4,4) superconformal field theories of central charge c=6, corresponding to nonlinear sigma models on K3 surfaces, using the superconformal bootstrap. This is made possible through a surprising relation between the BPS N=4 superconformal blocks with c=6 and bosonic Virasoro conformal blocks with c=28, and an exact result on the moduli dependence of a certain integrated BPS 4-point function. Nontrivial bounds on the non-BPS spectrum in the K3 CFT are obtained as functions of the CFT moduli, that interpolate between the free orbifold points and singular CFT points. We ob"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04065","kind":"arxiv","version":1},"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":"1511.04065","created_at":"2026-05-18T01:27:06.033665+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.04065v1","created_at":"2026-05-18T01:27:06.033665+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04065","created_at":"2026-05-18T01:27:06.033665+00:00"},{"alias_kind":"pith_short_12","alias_value":"6QBHOADTH6YR","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"6QBHOADTH6YRR5WX","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"6QBHOADT","created_at":"2026-05-18T12:29:07.941421+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/6QBHOADTH6YRR5WX7ZBLFNRRQI","json":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI.json","graph_json":"https://pith.science/api/pith-number/6QBHOADTH6YRR5WX7ZBLFNRRQI/graph.json","events_json":"https://pith.science/api/pith-number/6QBHOADTH6YRR5WX7ZBLFNRRQI/events.json","paper":"https://pith.science/paper/6QBHOADT"},"agent_actions":{"view_html":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI","download_json":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI.json","view_paper":"https://pith.science/paper/6QBHOADT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.04065&json=true","fetch_graph":"https://pith.science/api/pith-number/6QBHOADTH6YRR5WX7ZBLFNRRQI/graph.json","fetch_events":"https://pith.science/api/pith-number/6QBHOADTH6YRR5WX7ZBLFNRRQI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI/action/storage_attestation","attest_author":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI/action/author_attestation","sign_citation":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI/action/citation_signature","submit_replication":"https://pith.science/pith/6QBHOADTH6YRR5WX7ZBLFNRRQI/action/replication_record"}},"created_at":"2026-05-18T01:27:06.033665+00:00","updated_at":"2026-05-18T01:27:06.033665+00:00"}