{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XICDS3IGXMQVB5CIJCUOKEQ2CF","short_pith_number":"pith:XICDS3IG","canonical_record":{"source":{"id":"1207.6452","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2012-07-27T05:57:49Z","cross_cats_sorted":["math.CO"],"title_canon_sha256":"7224b727959359a0f657d12ac6932f1112640c9d4961760df4e84814aca70bc0","abstract_canon_sha256":"5cca4818eebed94a0e1f6fa6e833988c31a583fbc268d731d45ecf7e6bb43e3b"},"schema_version":"1.0"},"canonical_sha256":"ba04396d06bb2150f44848a8e5121a117bb77fab51d88a232316a4504f49c7e6","source":{"kind":"arxiv","id":"1207.6452","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6452","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6452v1","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6452","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"pith_short_12","alias_value":"XICDS3IGXMQV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XICDS3IGXMQVB5CI","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XICDS3IG","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XICDS3IGXMQVB5CIJCUOKEQ2CF","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6452","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2012-07-27T05:57:49Z","cross_cats_sorted":["math.CO"],"title_canon_sha256":"7224b727959359a0f657d12ac6932f1112640c9d4961760df4e84814aca70bc0","abstract_canon_sha256":"5cca4818eebed94a0e1f6fa6e833988c31a583fbc268d731d45ecf7e6bb43e3b"},"schema_version":"1.0"},"canonical_sha256":"ba04396d06bb2150f44848a8e5121a117bb77fab51d88a232316a4504f49c7e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:59.304275Z","signature_b64":"ioie5SlKDiXPvQLoddCB14WkJUSvvgne8e14Uy8xGOovzBbjqKye0X3PsDeAJ+KtVz6dPkTJAYbhxYBgUSjoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba04396d06bb2150f44848a8e5121a117bb77fab51d88a232316a4504f49c7e6","last_reissued_at":"2026-05-18T03:49:59.303584Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:59.303584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6452","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":"2026-05-18T03:49:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x40jwNq6zPDKeYf2MccwSdJBmsZCDUXzAgXvOcgoe7uyfJk2hh4kX+chwneAES0MhHVso7kio8yE3mcP6bvMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:45:06.502697Z"},"content_sha256":"aeae0d52f8baf682f68a819d2ff1af5f17e308936d83ce53ae8b17cbcb7915b2","schema_version":"1.0","event_id":"sha256:aeae0d52f8baf682f68a819d2ff1af5f17e308936d83ce53ae8b17cbcb7915b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XICDS3IGXMQVB5CIJCUOKEQ2CF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Rose : The First Simple Symmetric 11-Venn Diagram","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.CO"],"primary_cat":"cs.CG","authors_text":"Frank Ruskey, Khalegh Mamakani","submitted_at":"2012-07-27T05:57:49Z","abstract_excerpt":"A symmetric Venn diagram is one that is invariant under rotation, up to a relabeling of curves. A simple Venn diagram is one in which at most two curves intersect at any point. In this paper we introduce a new property of Venn diagrams called crosscut symmetry, which is related to dihedral symmetry. Utilizing a computer search restricted to crosscut symmetry we found many simple symmetric Venn diagrams with 11 curves. This answers an existence question that has been open since the 1960's. The first such diagram that was discovered is shown here."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6452","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":"2026-05-18T03:49:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYxEDwMrDVKcGRQuwlNbKJFJKrydJZuZaPVAD2Tu7Fl1m7BFlafU3vauRQ/pXBgxulGEqYRVq+j9TIiHYRImBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:45:06.503429Z"},"content_sha256":"f1793d6895b404a02bfb155d060f843e612d0c78a3dec6e54cc14d32de47b7ca","schema_version":"1.0","event_id":"sha256:f1793d6895b404a02bfb155d060f843e612d0c78a3dec6e54cc14d32de47b7ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF/bundle.json","state_url":"https://pith.science/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF/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":"2026-05-26T13:45:06Z","links":{"resolver":"https://pith.science/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF","bundle":"https://pith.science/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF/bundle.json","state":"https://pith.science/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XICDS3IGXMQVB5CIJCUOKEQ2CF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XICDS3IGXMQVB5CIJCUOKEQ2CF","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":"5cca4818eebed94a0e1f6fa6e833988c31a583fbc268d731d45ecf7e6bb43e3b","cross_cats_sorted":["math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2012-07-27T05:57:49Z","title_canon_sha256":"7224b727959359a0f657d12ac6932f1112640c9d4961760df4e84814aca70bc0"},"schema_version":"1.0","source":{"id":"1207.6452","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6452","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6452v1","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6452","created_at":"2026-05-18T03:49:59Z"},{"alias_kind":"pith_short_12","alias_value":"XICDS3IGXMQV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XICDS3IGXMQVB5CI","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XICDS3IG","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:f1793d6895b404a02bfb155d060f843e612d0c78a3dec6e54cc14d32de47b7ca","target":"graph","created_at":"2026-05-18T03:49:59Z","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":"A symmetric Venn diagram is one that is invariant under rotation, up to a relabeling of curves. A simple Venn diagram is one in which at most two curves intersect at any point. In this paper we introduce a new property of Venn diagrams called crosscut symmetry, which is related to dihedral symmetry. Utilizing a computer search restricted to crosscut symmetry we found many simple symmetric Venn diagrams with 11 curves. This answers an existence question that has been open since the 1960's. The first such diagram that was discovered is shown here.","authors_text":"Frank Ruskey, Khalegh Mamakani","cross_cats":["math.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2012-07-27T05:57:49Z","title":"A New Rose : The First Simple Symmetric 11-Venn Diagram"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6452","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:aeae0d52f8baf682f68a819d2ff1af5f17e308936d83ce53ae8b17cbcb7915b2","target":"record","created_at":"2026-05-18T03:49:59Z","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":"5cca4818eebed94a0e1f6fa6e833988c31a583fbc268d731d45ecf7e6bb43e3b","cross_cats_sorted":["math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2012-07-27T05:57:49Z","title_canon_sha256":"7224b727959359a0f657d12ac6932f1112640c9d4961760df4e84814aca70bc0"},"schema_version":"1.0","source":{"id":"1207.6452","kind":"arxiv","version":1}},"canonical_sha256":"ba04396d06bb2150f44848a8e5121a117bb77fab51d88a232316a4504f49c7e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba04396d06bb2150f44848a8e5121a117bb77fab51d88a232316a4504f49c7e6","first_computed_at":"2026-05-18T03:49:59.303584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:59.303584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ioie5SlKDiXPvQLoddCB14WkJUSvvgne8e14Uy8xGOovzBbjqKye0X3PsDeAJ+KtVz6dPkTJAYbhxYBgUSjoAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:59.304275Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6452","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aeae0d52f8baf682f68a819d2ff1af5f17e308936d83ce53ae8b17cbcb7915b2","sha256:f1793d6895b404a02bfb155d060f843e612d0c78a3dec6e54cc14d32de47b7ca"],"state_sha256":"247c549a1cf5fee440832633831ddbc32902dac45e7eacaad0055f4c59308f62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ug0FVzLfyLWs2u/BVNipR/QoE8BkJKOte9WQLbTBq35JsF+GRuCN3aDm2JkZE72L+aicB2Jde+dN1W1X76eSAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:45:06.507226Z","bundle_sha256":"3d863ff7c08a0d3a213b77acc69d9e4fc945560e13214b49bff92e6a698d64a2"}}