{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:6SYFMWXFI6AIHF5LS7UPLWJ6CT","short_pith_number":"pith:6SYFMWXF","schema_version":"1.0","canonical_sha256":"f4b0565ae547808397ab97e8f5d93e14c4cd6f9c0c9c0f50804fc8092f2546c6","source":{"kind":"arxiv","id":"hep-th/0409191","version":2},"attestation_state":"computed","paper":{"title":"M theory and Singularities of Exceptional Holonomy Manifolds","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Bobby S. Acharya, Sergei Gukov","submitted_at":"2004-09-17T21:26:35Z","abstract_excerpt":"M theory compactifications on G_2 holonomy manifolds, whilst supersymmetric, require singularities in order to obtain non-Abelian gauge groups, chiral fermions and other properties necessary for a realistic model of particle physics. We review recent progress in understanding the physics of such singularities. Our main aim is to describe the techniques which have been used to develop our understanding of M theory physics near these singularities. In parallel, we also describe similar sorts of singularities in Spin(7) holonomy manifolds which correspond to the properties of three dimensional fi"},"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":"hep-th/0409191","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-09-17T21:26:35Z","cross_cats_sorted":[],"title_canon_sha256":"b9fc68c9a2330cc4854d0b270722b26a55701f45cccea0e6931ab2ac846966e2","abstract_canon_sha256":"6d16cbfb8dac7b4ea33063c5f062109fa3d078e6ef3eea55332638efd89206a4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:19:13.423397Z","signature_b64":"vV+Qfbfb6iHNj9GtiKyPttw4+SOewrewwZxDXWTGQ4ps35iIbyqKhuN5AZZV8i1GW8hjIzX2mskTRQS/SLVPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4b0565ae547808397ab97e8f5d93e14c4cd6f9c0c9c0f50804fc8092f2546c6","last_reissued_at":"2026-07-04T17:19:13.422994Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:19:13.422994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"M theory and Singularities of Exceptional Holonomy Manifolds","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Bobby S. Acharya, Sergei Gukov","submitted_at":"2004-09-17T21:26:35Z","abstract_excerpt":"M theory compactifications on G_2 holonomy manifolds, whilst supersymmetric, require singularities in order to obtain non-Abelian gauge groups, chiral fermions and other properties necessary for a realistic model of particle physics. We review recent progress in understanding the physics of such singularities. Our main aim is to describe the techniques which have been used to develop our understanding of M theory physics near these singularities. In parallel, we also describe similar sorts of singularities in Spin(7) holonomy manifolds which correspond to the properties of three dimensional fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0409191","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/0409191/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":"hep-th/0409191","created_at":"2026-07-04T17:19:13.423053+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0409191v2","created_at":"2026-07-04T17:19:13.423053+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0409191","created_at":"2026-07-04T17:19:13.423053+00:00"},{"alias_kind":"pith_short_12","alias_value":"6SYFMWXFI6AI","created_at":"2026-07-04T17:19:13.423053+00:00"},{"alias_kind":"pith_short_16","alias_value":"6SYFMWXFI6AIHF5L","created_at":"2026-07-04T17:19:13.423053+00:00"},{"alias_kind":"pith_short_8","alias_value":"6SYFMWXF","created_at":"2026-07-04T17:19:13.423053+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":5,"sample":[{"citing_arxiv_id":"2605.18952","citing_title":"A missing link: Brane networks and the Cobordism Conjecture","ref_index":70,"is_internal_anchor":true},{"citing_arxiv_id":"2605.15276","citing_title":"Bordisms between 9d type IIB supergravities and commutator widths of duality groups","ref_index":54,"is_internal_anchor":true},{"citing_arxiv_id":"2410.21372","citing_title":"Morse-Bott inequalities, Topology Change and Cobordisms to Nothing","ref_index":4,"is_internal_anchor":true},{"citing_arxiv_id":"2605.18952","citing_title":"A missing link: Brane networks and the Cobordism Conjecture","ref_index":68,"is_internal_anchor":true},{"citing_arxiv_id":"2605.15276","citing_title":"Bordisms between 9d type IIB supergravities and commutator widths of duality groups","ref_index":54,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT","json":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT.json","graph_json":"https://pith.science/api/pith-number/6SYFMWXFI6AIHF5LS7UPLWJ6CT/graph.json","events_json":"https://pith.science/api/pith-number/6SYFMWXFI6AIHF5LS7UPLWJ6CT/events.json","paper":"https://pith.science/paper/6SYFMWXF"},"agent_actions":{"view_html":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT","download_json":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT.json","view_paper":"https://pith.science/paper/6SYFMWXF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/0409191&json=true","fetch_graph":"https://pith.science/api/pith-number/6SYFMWXFI6AIHF5LS7UPLWJ6CT/graph.json","fetch_events":"https://pith.science/api/pith-number/6SYFMWXFI6AIHF5LS7UPLWJ6CT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT/action/storage_attestation","attest_author":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT/action/author_attestation","sign_citation":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT/action/citation_signature","submit_replication":"https://pith.science/pith/6SYFMWXFI6AIHF5LS7UPLWJ6CT/action/replication_record"}},"created_at":"2026-07-04T17:19:13.423053+00:00","updated_at":"2026-07-04T17:19:13.423053+00:00"}