{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DL675SFYHXKHJ7XKX4O2XBBKDC","short_pith_number":"pith:DL675SFY","canonical_record":{"source":{"id":"2405.12949","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2024-05-21T17:21:41Z","cross_cats_sorted":[],"title_canon_sha256":"33916589f27fa5d1aebf368b1b2ffc11012efe8bffbd324eb11f389bd53a7288","abstract_canon_sha256":"c070565ac32fda1394dc600477a5a111f4f79a6a29a158ada0cf276658762389"},"schema_version":"1.0"},"canonical_sha256":"1afdfec8b83dd474feeabf1dab842a188c5d7e067dab15271d81562dd819f5d4","source":{"kind":"arxiv","id":"2405.12949","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.12949","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"2405.12949v2","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.12949","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"DL675SFYHXKH","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"DL675SFYHXKHJ7XK","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"DL675SFY","created_at":"2026-07-05T11:15:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DL675SFYHXKHJ7XKX4O2XBBKDC","target":"record","payload":{"canonical_record":{"source":{"id":"2405.12949","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2024-05-21T17:21:41Z","cross_cats_sorted":[],"title_canon_sha256":"33916589f27fa5d1aebf368b1b2ffc11012efe8bffbd324eb11f389bd53a7288","abstract_canon_sha256":"c070565ac32fda1394dc600477a5a111f4f79a6a29a158ada0cf276658762389"},"schema_version":"1.0"},"canonical_sha256":"1afdfec8b83dd474feeabf1dab842a188c5d7e067dab15271d81562dd819f5d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:37.572555Z","signature_b64":"7IgTvfbfaj/u+MoCDHIHi3A61u1M9o6B3JahIE/kcWdxMi7MmxiOQPz5A2l81dV5mZpDILxhljW4/E6Du4UXDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1afdfec8b83dd474feeabf1dab842a188c5d7e067dab15271d81562dd819f5d4","last_reissued_at":"2026-07-05T11:15:37.571969Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:37.571969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.12949","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:15:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gXl50xUjKpu+HW8gByyIZuk+fqVhwyiiRigpxuKgeGLWdcClliz8pdPW22tDCkdcFA3RO0OFMJNmhQkw72bNAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T19:18:51.440071Z"},"content_sha256":"9e386053f40150f22bf5b2d1c184948fc7ad01cb7734bba90bf9072137bb3298","schema_version":"1.0","event_id":"sha256:9e386053f40150f22bf5b2d1c184948fc7ad01cb7734bba90bf9072137bb3298"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DL675SFYHXKHJ7XKX4O2XBBKDC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exact predicates, exact constructions and combinatorics for mesh CSG","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CG","authors_text":"Bruno L\\'evy","submitted_at":"2024-05-21T17:21:41Z","abstract_excerpt":"This article introduces a general mesh intersection algorithm that exactly computes the so-called Weiler model (also called an arrangement) and that uses it to implement boolean operations with arbitrary multi-operand expressions, CSG (constructive solid geometry) and some mesh repair operations. From an input polygon soup, the algorithm first computes the co-refinement, with an exact representation of the intersection points. Then, the decomposition of 3D space into volumetric regions (Weiler model) is constructed, by sorting the facets around the non-manifold intersection edges (radial sort)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.12949","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/2405.12949/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:15:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g7UJqagnQuV9tUDdVy7kEZ6MUr3VZ2UKKqfoWNaFXu7yUdStCyeOI4p7wQMrhzebOCtrhmo3Ay5LRq0kmrNvBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T19:18:51.440585Z"},"content_sha256":"d6f99d49efc7f580a3a14a106418d9fe208cf9ab624581beab75e335239b7797","schema_version":"1.0","event_id":"sha256:d6f99d49efc7f580a3a14a106418d9fe208cf9ab624581beab75e335239b7797"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DL675SFYHXKHJ7XKX4O2XBBKDC/bundle.json","state_url":"https://pith.science/pith/DL675SFYHXKHJ7XKX4O2XBBKDC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DL675SFYHXKHJ7XKX4O2XBBKDC/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":"2026-08-11T19:18:51Z","links":{"resolver":"https://pith.science/pith/DL675SFYHXKHJ7XKX4O2XBBKDC","bundle":"https://pith.science/pith/DL675SFYHXKHJ7XKX4O2XBBKDC/bundle.json","state":"https://pith.science/pith/DL675SFYHXKHJ7XKX4O2XBBKDC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DL675SFYHXKHJ7XKX4O2XBBKDC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DL675SFYHXKHJ7XKX4O2XBBKDC","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":"c070565ac32fda1394dc600477a5a111f4f79a6a29a158ada0cf276658762389","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2024-05-21T17:21:41Z","title_canon_sha256":"33916589f27fa5d1aebf368b1b2ffc11012efe8bffbd324eb11f389bd53a7288"},"schema_version":"1.0","source":{"id":"2405.12949","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.12949","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"2405.12949v2","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.12949","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"DL675SFYHXKH","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"DL675SFYHXKHJ7XK","created_at":"2026-07-05T11:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"DL675SFY","created_at":"2026-07-05T11:15:37Z"}],"graph_snapshots":[{"event_id":"sha256:d6f99d49efc7f580a3a14a106418d9fe208cf9ab624581beab75e335239b7797","target":"graph","created_at":"2026-07-05T11:15:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2405.12949/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This article introduces a general mesh intersection algorithm that exactly computes the so-called Weiler model (also called an arrangement) and that uses it to implement boolean operations with arbitrary multi-operand expressions, CSG (constructive solid geometry) and some mesh repair operations. From an input polygon soup, the algorithm first computes the co-refinement, with an exact representation of the intersection points. Then, the decomposition of 3D space into volumetric regions (Weiler model) is constructed, by sorting the facets around the non-manifold intersection edges (radial sort)","authors_text":"Bruno L\\'evy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2024-05-21T17:21:41Z","title":"Exact predicates, exact constructions and combinatorics for mesh CSG"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.12949","kind":"arxiv","version":2},"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":"sha256:9e386053f40150f22bf5b2d1c184948fc7ad01cb7734bba90bf9072137bb3298","target":"record","created_at":"2026-07-05T11:15:37Z","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":"c070565ac32fda1394dc600477a5a111f4f79a6a29a158ada0cf276658762389","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CG","submitted_at":"2024-05-21T17:21:41Z","title_canon_sha256":"33916589f27fa5d1aebf368b1b2ffc11012efe8bffbd324eb11f389bd53a7288"},"schema_version":"1.0","source":{"id":"2405.12949","kind":"arxiv","version":2}},"canonical_sha256":"1afdfec8b83dd474feeabf1dab842a188c5d7e067dab15271d81562dd819f5d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1afdfec8b83dd474feeabf1dab842a188c5d7e067dab15271d81562dd819f5d4","first_computed_at":"2026-07-05T11:15:37.571969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:15:37.571969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7IgTvfbfaj/u+MoCDHIHi3A61u1M9o6B3JahIE/kcWdxMi7MmxiOQPz5A2l81dV5mZpDILxhljW4/E6Du4UXDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:15:37.572555Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.12949","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e386053f40150f22bf5b2d1c184948fc7ad01cb7734bba90bf9072137bb3298","sha256:d6f99d49efc7f580a3a14a106418d9fe208cf9ab624581beab75e335239b7797"],"state_sha256":"575bb4681b0b6d3e854cab77c316d44e30761b61873acb92797ea7fe44083941"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LuaOzK0rmSCRdt5CPizgann6+MZ0CuZovonVyT54f174HLQr9+cwbLnb6cElZk5TRjLw9HzTBDT+3dUH+82HBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T19:18:51.445434Z","bundle_sha256":"608ae411f03c4ad970d62302ac246593a08f1227d5b096ebada1335b75f8d9a9"}}