{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:M2KIFSAKER43G4G3N2VFTQXBEL","short_pith_number":"pith:M2KIFSAK","schema_version":"1.0","canonical_sha256":"669482c80a2479b370db6eaa59c2e122ca04a064cfb5ad3518fc54a4e4ec67f3","source":{"kind":"arxiv","id":"0901.4913","version":1},"attestation_state":"computed","paper":{"title":"Self Dual Einstein Orbifolds with Few Symmetries as Quaternion Kaehler Quotients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.DG","authors_text":"Luca Bisconti, Paolo Piccinni","submitted_at":"2009-01-30T15:33:51Z","abstract_excerpt":"We construct a new family of compact orbifolds with a positive self dual Einstein metric and a one-dimensional group of isometries. Together with another known family, these examples classify all 4-dimensional orbifolds that are quaternion Kaehler quotients by a torus of real Grassmannians."},"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":"0901.4913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DG","submitted_at":"2009-01-30T15:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"acc40fa4a58da3140d06f1b78134ae09d29ab67ba56a71f21937f2f9e5fb3519","abstract_canon_sha256":"b838234f397fff040c9e37b37739c967373da1d789b56770a74a1d652e852fd2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:54.901885Z","signature_b64":"It+fzhRk8wNnBlLGLgKC+XLZnjXdM42q4Tj4IQm+77zyDeWfvYEaYMoYApbA5Yd4jxlgjwQ5JFoUd2kPf9TIAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"669482c80a2479b370db6eaa59c2e122ca04a064cfb5ad3518fc54a4e4ec67f3","last_reissued_at":"2026-05-18T02:14:54.901281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:54.901281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Self Dual Einstein Orbifolds with Few Symmetries as Quaternion Kaehler Quotients","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.DG","authors_text":"Luca Bisconti, Paolo Piccinni","submitted_at":"2009-01-30T15:33:51Z","abstract_excerpt":"We construct a new family of compact orbifolds with a positive self dual Einstein metric and a one-dimensional group of isometries. Together with another known family, these examples classify all 4-dimensional orbifolds that are quaternion Kaehler quotients by a torus of real Grassmannians."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.4913","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":"0901.4913","created_at":"2026-05-18T02:14:54.901372+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.4913v1","created_at":"2026-05-18T02:14:54.901372+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.4913","created_at":"2026-05-18T02:14:54.901372+00:00"},{"alias_kind":"pith_short_12","alias_value":"M2KIFSAKER43","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"M2KIFSAKER43G4G3","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"M2KIFSAK","created_at":"2026-05-18T12:26:00.592388+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/M2KIFSAKER43G4G3N2VFTQXBEL","json":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL.json","graph_json":"https://pith.science/api/pith-number/M2KIFSAKER43G4G3N2VFTQXBEL/graph.json","events_json":"https://pith.science/api/pith-number/M2KIFSAKER43G4G3N2VFTQXBEL/events.json","paper":"https://pith.science/paper/M2KIFSAK"},"agent_actions":{"view_html":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL","download_json":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL.json","view_paper":"https://pith.science/paper/M2KIFSAK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.4913&json=true","fetch_graph":"https://pith.science/api/pith-number/M2KIFSAKER43G4G3N2VFTQXBEL/graph.json","fetch_events":"https://pith.science/api/pith-number/M2KIFSAKER43G4G3N2VFTQXBEL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL/action/storage_attestation","attest_author":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL/action/author_attestation","sign_citation":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL/action/citation_signature","submit_replication":"https://pith.science/pith/M2KIFSAKER43G4G3N2VFTQXBEL/action/replication_record"}},"created_at":"2026-05-18T02:14:54.901372+00:00","updated_at":"2026-05-18T02:14:54.901372+00:00"}