{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:7YKZXEAWCJ6XSYLPNOAAH5W2Z4","short_pith_number":"pith:7YKZXEAW","schema_version":"1.0","canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","source":{"kind":"arxiv","id":"1803.02343","version":2},"attestation_state":"computed","paper":{"title":"Infinitely Many M2-instanton Corrections to M-theory on $G_2$-manifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.DG"],"primary_cat":"hep-th","authors_text":"Andreas P. Braun, David R. Morrison, James Halverson, Magdalena Larfors, Michele Del Zotto, Sakura Schafer-Nameki","submitted_at":"2018-03-06T18:56:51Z","abstract_excerpt":"We consider the non-perturbative superpotential for a class of four-dimensional $\\mathcal N=1$ vacua obtained from M-theory on seven-manifolds with holonomy $G_2$. The class of $G_2$-holonomy manifolds we consider are so-called twisted connected sum (TCS) constructions, which have the topology of a K3-fibration over $S^3$. We show that the non-perturbative superpotential of M-theory on a class of TCS geometries receives infinitely many inequivalent M2-instanton contributions from infinitely many three-spheres, which we conjecture are supersymmetric (and thus associative) cycles. The rationale "},"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":"1803.02343","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-06T18:56:51Z","cross_cats_sorted":["math.DG"],"title_canon_sha256":"db1568a53da348ce1beb37e2af46a481298be58d03a89acff35fcfd33b7eabe7","abstract_canon_sha256":"4016a656f0ed782cf076b9d08eeddf06da1777f7d3a3a290e249a4ecafa2e809"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:06.595503Z","signature_b64":"QSGxgKAyd0bL+We7D+s6yARu7fnmqUrW8NxRvW4G922329WL+ao+Hv7rENMd1XLTzYMrPm3HhKWRd+8rZ1V1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","last_reissued_at":"2026-05-18T00:03:06.595022Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:06.595022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Infinitely Many M2-instanton Corrections to M-theory on $G_2$-manifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.DG"],"primary_cat":"hep-th","authors_text":"Andreas P. Braun, David R. Morrison, James Halverson, Magdalena Larfors, Michele Del Zotto, Sakura Schafer-Nameki","submitted_at":"2018-03-06T18:56:51Z","abstract_excerpt":"We consider the non-perturbative superpotential for a class of four-dimensional $\\mathcal N=1$ vacua obtained from M-theory on seven-manifolds with holonomy $G_2$. The class of $G_2$-holonomy manifolds we consider are so-called twisted connected sum (TCS) constructions, which have the topology of a K3-fibration over $S^3$. We show that the non-perturbative superpotential of M-theory on a class of TCS geometries receives infinitely many inequivalent M2-instanton contributions from infinitely many three-spheres, which we conjecture are supersymmetric (and thus associative) cycles. The rationale "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02343","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":"1803.02343","created_at":"2026-05-18T00:03:06.595094+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.02343v2","created_at":"2026-05-18T00:03:06.595094+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02343","created_at":"2026-05-18T00:03:06.595094+00:00"},{"alias_kind":"pith_short_12","alias_value":"7YKZXEAWCJ6X","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"7YKZXEAWCJ6XSYLP","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"7YKZXEAW","created_at":"2026-05-18T12:32:13.499390+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/7YKZXEAWCJ6XSYLPNOAAH5W2Z4","json":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4.json","graph_json":"https://pith.science/api/pith-number/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/graph.json","events_json":"https://pith.science/api/pith-number/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/events.json","paper":"https://pith.science/paper/7YKZXEAW"},"agent_actions":{"view_html":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4","download_json":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4.json","view_paper":"https://pith.science/paper/7YKZXEAW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.02343&json=true","fetch_graph":"https://pith.science/api/pith-number/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/graph.json","fetch_events":"https://pith.science/api/pith-number/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/action/storage_attestation","attest_author":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/action/author_attestation","sign_citation":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/action/citation_signature","submit_replication":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/action/replication_record"}},"created_at":"2026-05-18T00:03:06.595094+00:00","updated_at":"2026-05-18T00:03:06.595094+00:00"}