{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:235E6EL5ZZ347S54AECYMJGQRU","short_pith_number":"pith:235E6EL5","canonical_record":{"source":{"id":"1308.6693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2013-08-30T09:37:36Z","cross_cats_sorted":[],"title_canon_sha256":"7a86388dc1e1ed8543b51c75cde43ffa6e6b7eb76bf110c784fc868b8e9d8dfe","abstract_canon_sha256":"fa7b856f902159665b5fdefe3960bf02a34b320bbccaac6911bb193862b3a2c1"},"schema_version":"1.0"},"canonical_sha256":"d6fa4f117dce77cfcbbc01058624d08d3c623ee4e54063241c311434c865ad95","source":{"kind":"arxiv","id":"1308.6693","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.6693","created_at":"2026-05-18T03:14:38Z"},{"alias_kind":"arxiv_version","alias_value":"1308.6693v1","created_at":"2026-05-18T03:14:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.6693","created_at":"2026-05-18T03:14:38Z"},{"alias_kind":"pith_short_12","alias_value":"235E6EL5ZZ34","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"235E6EL5ZZ347S54","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"235E6EL5","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:235E6EL5ZZ347S54AECYMJGQRU","target":"record","payload":{"canonical_record":{"source":{"id":"1308.6693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2013-08-30T09:37:36Z","cross_cats_sorted":[],"title_canon_sha256":"7a86388dc1e1ed8543b51c75cde43ffa6e6b7eb76bf110c784fc868b8e9d8dfe","abstract_canon_sha256":"fa7b856f902159665b5fdefe3960bf02a34b320bbccaac6911bb193862b3a2c1"},"schema_version":"1.0"},"canonical_sha256":"d6fa4f117dce77cfcbbc01058624d08d3c623ee4e54063241c311434c865ad95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:38.392190Z","signature_b64":"7IAHBHSIDw0fGeXT5Cs8mAoNNlY7GoizM2Sufo4CKBlhYsZCa1dKSctq6t1JKFN20AyBVYoE1VtpQhW/SRI/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6fa4f117dce77cfcbbc01058624d08d3c623ee4e54063241c311434c865ad95","last_reissued_at":"2026-05-18T03:14:38.391770Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:38.391770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.6693","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":"2026-05-18T03:14:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DbxnFiG9/5NFRc0+i537/ujX0+BAJg2d0YUdgqti7JMKW9OzFlfOfcvnAQyHhEIhpPNV+dWYLfLi9mLaZh8CDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:15:32.797249Z"},"content_sha256":"ae62ee789bee43af6d1de1a911d21226f4ee7d01e456f809ffdd7d22ccffa474","schema_version":"1.0","event_id":"sha256:ae62ee789bee43af6d1de1a911d21226f4ee7d01e456f809ffdd7d22ccffa474"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:235E6EL5ZZ347S54AECYMJGQRU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transforming planar graph drawings while maintaining height","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CG","authors_text":"Therese Biedl","submitted_at":"2013-08-30T09:37:36Z","abstract_excerpt":"There are numerous styles of planar graph drawings, notably straight-line drawings, poly-line drawings, orthogonal graph drawings and visibility representations. In this note, we show that many of these drawings can be transformed from one style to another without changing the height of the drawing. We then give some applications of these transformations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.6693","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":"2026-05-18T03:14:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SWC2db/yBH/CwDGCZVwCl1mdNMb6sdwbLBUoJn3gleeFDHp0f/o7mye/uZDp3AgUDxGj1jgv8hBazpe9VCqgAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:15:32.798373Z"},"content_sha256":"e93c6bdda967c25aedeb0c2b9eba063deb94c100efe3bc13bd0450bf3e25ae51","schema_version":"1.0","event_id":"sha256:e93c6bdda967c25aedeb0c2b9eba063deb94c100efe3bc13bd0450bf3e25ae51"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/235E6EL5ZZ347S54AECYMJGQRU/bundle.json","state_url":"https://pith.science/pith/235E6EL5ZZ347S54AECYMJGQRU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/235E6EL5ZZ347S54AECYMJGQRU/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":"2026-05-31T16:15:32Z","links":{"resolver":"https://pith.science/pith/235E6EL5ZZ347S54AECYMJGQRU","bundle":"https://pith.science/pith/235E6EL5ZZ347S54AECYMJGQRU/bundle.json","state":"https://pith.science/pith/235E6EL5ZZ347S54AECYMJGQRU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/235E6EL5ZZ347S54AECYMJGQRU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:235E6EL5ZZ347S54AECYMJGQRU","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":"fa7b856f902159665b5fdefe3960bf02a34b320bbccaac6911bb193862b3a2c1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2013-08-30T09:37:36Z","title_canon_sha256":"7a86388dc1e1ed8543b51c75cde43ffa6e6b7eb76bf110c784fc868b8e9d8dfe"},"schema_version":"1.0","source":{"id":"1308.6693","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.6693","created_at":"2026-05-18T03:14:38Z"},{"alias_kind":"arxiv_version","alias_value":"1308.6693v1","created_at":"2026-05-18T03:14:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.6693","created_at":"2026-05-18T03:14:38Z"},{"alias_kind":"pith_short_12","alias_value":"235E6EL5ZZ34","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"235E6EL5ZZ347S54","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"235E6EL5","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:e93c6bdda967c25aedeb0c2b9eba063deb94c100efe3bc13bd0450bf3e25ae51","target":"graph","created_at":"2026-05-18T03:14:38Z","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":"There are numerous styles of planar graph drawings, notably straight-line drawings, poly-line drawings, orthogonal graph drawings and visibility representations. In this note, we show that many of these drawings can be transformed from one style to another without changing the height of the drawing. We then give some applications of these transformations.","authors_text":"Therese Biedl","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2013-08-30T09:37:36Z","title":"Transforming planar graph drawings while maintaining height"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.6693","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:ae62ee789bee43af6d1de1a911d21226f4ee7d01e456f809ffdd7d22ccffa474","target":"record","created_at":"2026-05-18T03:14:38Z","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":"fa7b856f902159665b5fdefe3960bf02a34b320bbccaac6911bb193862b3a2c1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2013-08-30T09:37:36Z","title_canon_sha256":"7a86388dc1e1ed8543b51c75cde43ffa6e6b7eb76bf110c784fc868b8e9d8dfe"},"schema_version":"1.0","source":{"id":"1308.6693","kind":"arxiv","version":1}},"canonical_sha256":"d6fa4f117dce77cfcbbc01058624d08d3c623ee4e54063241c311434c865ad95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6fa4f117dce77cfcbbc01058624d08d3c623ee4e54063241c311434c865ad95","first_computed_at":"2026-05-18T03:14:38.391770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:38.391770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7IAHBHSIDw0fGeXT5Cs8mAoNNlY7GoizM2Sufo4CKBlhYsZCa1dKSctq6t1JKFN20AyBVYoE1VtpQhW/SRI/Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:38.392190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.6693","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae62ee789bee43af6d1de1a911d21226f4ee7d01e456f809ffdd7d22ccffa474","sha256:e93c6bdda967c25aedeb0c2b9eba063deb94c100efe3bc13bd0450bf3e25ae51"],"state_sha256":"07ff06e7f7727dca0d762c29231e0af52c01a998446c5fe4f68a7aca7f77e915"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x0y7vbtcPMX51sEndnvllE/V9lFmCDcSST7ow1ec35XZefCwB/U+xf2hbZhFOwymOfEAY+JmnfqBg+2OzeQjAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:15:32.803140Z","bundle_sha256":"f53891f6c9c4a1142d2f95b084be31c6231c2deebadd1ff04c967c83f0200ab6"}}