{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:3OV5LGYSWSDZOTGMHSVC55S5R5","short_pith_number":"pith:3OV5LGYS","canonical_record":{"source":{"id":"1103.1111","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2011-03-06T09:35:36Z","cross_cats_sorted":["math.CO"],"title_canon_sha256":"6e9ef7e71d8bfc650ae02f098129b5081183aafcebc88df03ddf48eef869b37e","abstract_canon_sha256":"bb30216a0e5554e09693013b1da2cf653540094d25cddabeef441619df501c11"},"schema_version":"1.0"},"canonical_sha256":"dbabd59b12b487974ccc3caa2ef65d8f58f395768469ab6cbdc9796a1918b9ee","source":{"kind":"arxiv","id":"1103.1111","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1111","created_at":"2026-05-18T04:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1111v1","created_at":"2026-05-18T04:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1111","created_at":"2026-05-18T04:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"3OV5LGYSWSDZ","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3OV5LGYSWSDZOTGM","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3OV5LGYS","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:3OV5LGYSWSDZOTGMHSVC55S5R5","target":"record","payload":{"canonical_record":{"source":{"id":"1103.1111","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2011-03-06T09:35:36Z","cross_cats_sorted":["math.CO"],"title_canon_sha256":"6e9ef7e71d8bfc650ae02f098129b5081183aafcebc88df03ddf48eef869b37e","abstract_canon_sha256":"bb30216a0e5554e09693013b1da2cf653540094d25cddabeef441619df501c11"},"schema_version":"1.0"},"canonical_sha256":"dbabd59b12b487974ccc3caa2ef65d8f58f395768469ab6cbdc9796a1918b9ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:17.107978Z","signature_b64":"o7TR9jma1karZEodptuRfG3yeRvk3QCeDldUI9mdLU6j8ZbpsZgwUzRq+nrtAAwvcgRDEkv6IIC/DWtVldHGAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbabd59b12b487974ccc3caa2ef65d8f58f395768469ab6cbdc9796a1918b9ee","last_reissued_at":"2026-05-18T04:27:17.107419Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:17.107419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.1111","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5GcOCv1iPSEJGvUKcWzTFOzspM+919NYlzkDo/L4Qq0dv3V9ZfX6Q5xSprk66z/dftCAPkBgPXY0iZuV33b6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:42:36.921096Z"},"content_sha256":"c1b62ed1a71df4026dd0bc4db8c78c90e71a81eabe151e01a182d15544a0fed4","schema_version":"1.0","event_id":"sha256:c1b62ed1a71df4026dd0bc4db8c78c90e71a81eabe151e01a182d15544a0fed4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:3OV5LGYSWSDZOTGMHSVC55S5R5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A new approach for the existence problem of minimal cubature formulas based on the Larman-Rogers-Seidel theorem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.CO"],"primary_cat":"math.NA","authors_text":"Hiroshi Nozaki, Masanori Sawa, Masatake Hirao, Vesselin Vatchev","submitted_at":"2011-03-06T09:35:36Z","abstract_excerpt":"In this paper we consider the existence problem of cubature formulas of degree 4k+1 for spherically symmetric integrals for which the equality holds in the M\\\"oller lower bound. We prove that for sufficiently large dimensional minimal formulas, any two distinct points on some concentric sphere have inner products all of which are rational numbers. By applying this result we prove that for any d > 2 there exist no d-dimensional minimal formulas of degrees 13 and 21 for some special integral."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1111","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iYJXNS5Xfg8Bgt0y5V5qMe2sqBsnaCQjsyddF251eJKlxR6OVoyx7j4N453L97YZfAMPR0c/brLQeS8i65KEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:42:36.921748Z"},"content_sha256":"1f36c17835101e8c4ed490d689f4fa9c5d563a524b50417ace6340c738c9d36f","schema_version":"1.0","event_id":"sha256:1f36c17835101e8c4ed490d689f4fa9c5d563a524b50417ace6340c738c9d36f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3OV5LGYSWSDZOTGMHSVC55S5R5/bundle.json","state_url":"https://pith.science/pith/3OV5LGYSWSDZOTGMHSVC55S5R5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3OV5LGYSWSDZOTGMHSVC55S5R5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T19:42:36Z","links":{"resolver":"https://pith.science/pith/3OV5LGYSWSDZOTGMHSVC55S5R5","bundle":"https://pith.science/pith/3OV5LGYSWSDZOTGMHSVC55S5R5/bundle.json","state":"https://pith.science/pith/3OV5LGYSWSDZOTGMHSVC55S5R5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3OV5LGYSWSDZOTGMHSVC55S5R5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3OV5LGYSWSDZOTGMHSVC55S5R5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"bb30216a0e5554e09693013b1da2cf653540094d25cddabeef441619df501c11","cross_cats_sorted":["math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2011-03-06T09:35:36Z","title_canon_sha256":"6e9ef7e71d8bfc650ae02f098129b5081183aafcebc88df03ddf48eef869b37e"},"schema_version":"1.0","source":{"id":"1103.1111","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1111","created_at":"2026-05-18T04:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1111v1","created_at":"2026-05-18T04:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1111","created_at":"2026-05-18T04:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"3OV5LGYSWSDZ","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3OV5LGYSWSDZOTGM","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3OV5LGYS","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:1f36c17835101e8c4ed490d689f4fa9c5d563a524b50417ace6340c738c9d36f","target":"graph","created_at":"2026-05-18T04:27:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this paper we consider the existence problem of cubature formulas of degree 4k+1 for spherically symmetric integrals for which the equality holds in the M\\\"oller lower bound. We prove that for sufficiently large dimensional minimal formulas, any two distinct points on some concentric sphere have inner products all of which are rational numbers. By applying this result we prove that for any d > 2 there exist no d-dimensional minimal formulas of degrees 13 and 21 for some special integral.","authors_text":"Hiroshi Nozaki, Masanori Sawa, Masatake Hirao, Vesselin Vatchev","cross_cats":["math.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2011-03-06T09:35:36Z","title":"A new approach for the existence problem of minimal cubature formulas based on the Larman-Rogers-Seidel theorem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1111","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c1b62ed1a71df4026dd0bc4db8c78c90e71a81eabe151e01a182d15544a0fed4","target":"record","created_at":"2026-05-18T04:27:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"bb30216a0e5554e09693013b1da2cf653540094d25cddabeef441619df501c11","cross_cats_sorted":["math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2011-03-06T09:35:36Z","title_canon_sha256":"6e9ef7e71d8bfc650ae02f098129b5081183aafcebc88df03ddf48eef869b37e"},"schema_version":"1.0","source":{"id":"1103.1111","kind":"arxiv","version":1}},"canonical_sha256":"dbabd59b12b487974ccc3caa2ef65d8f58f395768469ab6cbdc9796a1918b9ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dbabd59b12b487974ccc3caa2ef65d8f58f395768469ab6cbdc9796a1918b9ee","first_computed_at":"2026-05-18T04:27:17.107419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:27:17.107419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o7TR9jma1karZEodptuRfG3yeRvk3QCeDldUI9mdLU6j8ZbpsZgwUzRq+nrtAAwvcgRDEkv6IIC/DWtVldHGAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:27:17.107978Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.1111","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1b62ed1a71df4026dd0bc4db8c78c90e71a81eabe151e01a182d15544a0fed4","sha256:1f36c17835101e8c4ed490d689f4fa9c5d563a524b50417ace6340c738c9d36f"],"state_sha256":"1ed7a1cb8d0dad862ffc4812cdfe8be2ddae3963633acc06af7bad74d76a8b6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h13HK2LvZW3/NJo1APFYqmtfWHR5ljrWOxfyj4UogB1RnlX7+DExOSQBdqvee88WVtGn26Jmzbqtko4FxfK4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:42:36.924848Z","bundle_sha256":"7c93ca1716c1c81cddc02baa329555b9568e4d8fadafdc6d5a76d3bbcf229fec"}}