{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:XKERXF636RIQHG45TMLCKCPRON","short_pith_number":"pith:XKERXF63","schema_version":"1.0","canonical_sha256":"ba891b97dbf451039b9d9b162509f1737ff264bfc0297c94add6af9d1e490978","source":{"kind":"arxiv","id":"1402.2974","version":1},"attestation_state":"computed","paper":{"title":"N=2 string amplitudes and the Omega background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ahmad Zein Assi, Ioannis Florakis","submitted_at":"2014-02-12T21:00:10Z","abstract_excerpt":"We review recent work [1, 2] on obtaining a realisation of the $\\Omega$-background in terms of a special series of higher-derivative generalised F-terms in the effective $\\mathcal{N}=2$ supergravity action. We discuss the motivation behind the identification of these couplings, their relation to the Nekrasov partition function and connect them to a worldsheet approach towards the refined topological string. Presented by the authors at the Corfu Summer Institute 2013 \"Workshop on Noncommutative Field Theory and Gravity\", September 8-15, 2013 Corfu, Greece"},"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":"1402.2974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-02-12T21:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"26032bb3ab469df765386e8289ae2eaafef8e749f241e3291dd789b9c0ae3b59","abstract_canon_sha256":"1849508efa94a404614dd8af6ed6346add214537c5332bd6d0b3217c64dfbb1c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:59:08.152910Z","signature_b64":"gR0mvskj72hqNqKC0nIBevYUZrVazL2tWY4cHf1LkisyP3YSf+sJKfiz5qd6p1R35Tb/f6etqr78cIf83ew6DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba891b97dbf451039b9d9b162509f1737ff264bfc0297c94add6af9d1e490978","last_reissued_at":"2026-05-18T02:59:08.152299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:59:08.152299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"N=2 string amplitudes and the Omega background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ahmad Zein Assi, Ioannis Florakis","submitted_at":"2014-02-12T21:00:10Z","abstract_excerpt":"We review recent work [1, 2] on obtaining a realisation of the $\\Omega$-background in terms of a special series of higher-derivative generalised F-terms in the effective $\\mathcal{N}=2$ supergravity action. We discuss the motivation behind the identification of these couplings, their relation to the Nekrasov partition function and connect them to a worldsheet approach towards the refined topological string. Presented by the authors at the Corfu Summer Institute 2013 \"Workshop on Noncommutative Field Theory and Gravity\", September 8-15, 2013 Corfu, Greece"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2974","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":"1402.2974","created_at":"2026-05-18T02:59:08.152403+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.2974v1","created_at":"2026-05-18T02:59:08.152403+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2974","created_at":"2026-05-18T02:59:08.152403+00:00"},{"alias_kind":"pith_short_12","alias_value":"XKERXF636RIQ","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_16","alias_value":"XKERXF636RIQHG45","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_8","alias_value":"XKERXF63","created_at":"2026-05-18T12:28:57.508820+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/XKERXF636RIQHG45TMLCKCPRON","json":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON.json","graph_json":"https://pith.science/api/pith-number/XKERXF636RIQHG45TMLCKCPRON/graph.json","events_json":"https://pith.science/api/pith-number/XKERXF636RIQHG45TMLCKCPRON/events.json","paper":"https://pith.science/paper/XKERXF63"},"agent_actions":{"view_html":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON","download_json":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON.json","view_paper":"https://pith.science/paper/XKERXF63","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.2974&json=true","fetch_graph":"https://pith.science/api/pith-number/XKERXF636RIQHG45TMLCKCPRON/graph.json","fetch_events":"https://pith.science/api/pith-number/XKERXF636RIQHG45TMLCKCPRON/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON/action/storage_attestation","attest_author":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON/action/author_attestation","sign_citation":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON/action/citation_signature","submit_replication":"https://pith.science/pith/XKERXF636RIQHG45TMLCKCPRON/action/replication_record"}},"created_at":"2026-05-18T02:59:08.152403+00:00","updated_at":"2026-05-18T02:59:08.152403+00:00"}