{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KNBRYXHOHVRNCOTKP4TCTBDOUN","short_pith_number":"pith:KNBRYXHO","canonical_record":{"source":{"id":"2308.15966","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-30T11:42:54Z","cross_cats_sorted":[],"title_canon_sha256":"acecf18071c82ffefa1c1290167ffced8970689f08bb8955f1a7f2aeddf7641f","abstract_canon_sha256":"89bba66b811a0e0e5893db0386b091d1702e3bf7e6ae94d7284830b81c43c1a8"},"schema_version":"1.0"},"canonical_sha256":"53431c5cee3d62d13a6a7f2629846ea37ad4c667ed962d878ca8f647a73dfb07","source":{"kind":"arxiv","id":"2308.15966","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.15966","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"arxiv_version","alias_value":"2308.15966v1","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.15966","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"pith_short_12","alias_value":"KNBRYXHOHVRN","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"pith_short_16","alias_value":"KNBRYXHOHVRNCOTK","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"pith_short_8","alias_value":"KNBRYXHO","created_at":"2026-07-05T06:46:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KNBRYXHOHVRNCOTKP4TCTBDOUN","target":"record","payload":{"canonical_record":{"source":{"id":"2308.15966","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-30T11:42:54Z","cross_cats_sorted":[],"title_canon_sha256":"acecf18071c82ffefa1c1290167ffced8970689f08bb8955f1a7f2aeddf7641f","abstract_canon_sha256":"89bba66b811a0e0e5893db0386b091d1702e3bf7e6ae94d7284830b81c43c1a8"},"schema_version":"1.0"},"canonical_sha256":"53431c5cee3d62d13a6a7f2629846ea37ad4c667ed962d878ca8f647a73dfb07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:46:16.144435Z","signature_b64":"wGhjNLs2rDYICBy7i9pzfqbH4POcBjMFfOnaT5UYuLaVJVVAk3AOLnUACGB5e3N1jSWKFdteAmGCKnOfRKR8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53431c5cee3d62d13a6a7f2629846ea37ad4c667ed962d878ca8f647a73dfb07","last_reissued_at":"2026-07-05T06:46:16.143989Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:46:16.143989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.15966","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":"2026-07-05T06:46:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"98nXdi8YL14VIkJDkkum/H4Cfx5TlT/7QZh0OxO6NgU+Vwce4zg8b2yN8AAtTL4gsJ/ckj7fep7HDKhXJ1dCCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:54:05.065251Z"},"content_sha256":"949844ad7a16541bbe6f66eda5307769d96d0d5b898a7c11d184fea661e96147","schema_version":"1.0","event_id":"sha256:949844ad7a16541bbe6f66eda5307769d96d0d5b898a7c11d184fea661e96147"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KNBRYXHOHVRNCOTKP4TCTBDOUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SHARP Challenge 2023: Solving CAD History and pArameters Recovery from Point clouds and 3D scans. Overview, Datasets, Metrics, and Baselines","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Ahmet Serdar Karadeniz, Anis Kacem, Dimitrios Mallis, Djamila Aouada, Elona Dupont, Gleb Gusev, Kseniya Cherenkova, Mohammad Sadil Khan, Sk Aziz Ali","submitted_at":"2023-08-30T11:42:54Z","abstract_excerpt":"Recent breakthroughs in geometric Deep Learning (DL) and the availability of large Computer-Aided Design (CAD) datasets have advanced the research on learning CAD modeling processes and relating them to real objects. In this context, 3D reverse engineering of CAD models from 3D scans is considered to be one of the most sought-after goals for the CAD industry. However, recent efforts assume multiple simplifications limiting the applications in real-world settings. The SHARP Challenge 2023 aims at pushing the research a step closer to the real-world scenario of CAD reverse engineering through de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.15966","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2308.15966/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":"2026-07-05T06:46:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Om97UZrmMaCDu3ujmyWjbKCPt7FWow5qw53YCoJjQzJJUIoNKLmNnO5bO3GMSNme2f69GcREzXwEas78RyYFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:54:05.065807Z"},"content_sha256":"219ddd35f212d7c1a93a30e969bf0ab0e0d2b3ed23d9516f7eadfaad3af97899","schema_version":"1.0","event_id":"sha256:219ddd35f212d7c1a93a30e969bf0ab0e0d2b3ed23d9516f7eadfaad3af97899"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN/bundle.json","state_url":"https://pith.science/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN/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":"2026-08-23T18:54:05Z","links":{"resolver":"https://pith.science/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN","bundle":"https://pith.science/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN/bundle.json","state":"https://pith.science/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KNBRYXHOHVRNCOTKP4TCTBDOUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KNBRYXHOHVRNCOTKP4TCTBDOUN","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":"89bba66b811a0e0e5893db0386b091d1702e3bf7e6ae94d7284830b81c43c1a8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-30T11:42:54Z","title_canon_sha256":"acecf18071c82ffefa1c1290167ffced8970689f08bb8955f1a7f2aeddf7641f"},"schema_version":"1.0","source":{"id":"2308.15966","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.15966","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"arxiv_version","alias_value":"2308.15966v1","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.15966","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"pith_short_12","alias_value":"KNBRYXHOHVRN","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"pith_short_16","alias_value":"KNBRYXHOHVRNCOTK","created_at":"2026-07-05T06:46:16Z"},{"alias_kind":"pith_short_8","alias_value":"KNBRYXHO","created_at":"2026-07-05T06:46:16Z"}],"graph_snapshots":[{"event_id":"sha256:219ddd35f212d7c1a93a30e969bf0ab0e0d2b3ed23d9516f7eadfaad3af97899","target":"graph","created_at":"2026-07-05T06:46:16Z","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/2308.15966/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent breakthroughs in geometric Deep Learning (DL) and the availability of large Computer-Aided Design (CAD) datasets have advanced the research on learning CAD modeling processes and relating them to real objects. In this context, 3D reverse engineering of CAD models from 3D scans is considered to be one of the most sought-after goals for the CAD industry. However, recent efforts assume multiple simplifications limiting the applications in real-world settings. The SHARP Challenge 2023 aims at pushing the research a step closer to the real-world scenario of CAD reverse engineering through de","authors_text":"Ahmet Serdar Karadeniz, Anis Kacem, Dimitrios Mallis, Djamila Aouada, Elona Dupont, Gleb Gusev, Kseniya Cherenkova, Mohammad Sadil Khan, Sk Aziz Ali","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-30T11:42:54Z","title":"SHARP Challenge 2023: Solving CAD History and pArameters Recovery from Point clouds and 3D scans. Overview, Datasets, Metrics, and Baselines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.15966","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":"sha256:949844ad7a16541bbe6f66eda5307769d96d0d5b898a7c11d184fea661e96147","target":"record","created_at":"2026-07-05T06:46:16Z","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":"89bba66b811a0e0e5893db0386b091d1702e3bf7e6ae94d7284830b81c43c1a8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-30T11:42:54Z","title_canon_sha256":"acecf18071c82ffefa1c1290167ffced8970689f08bb8955f1a7f2aeddf7641f"},"schema_version":"1.0","source":{"id":"2308.15966","kind":"arxiv","version":1}},"canonical_sha256":"53431c5cee3d62d13a6a7f2629846ea37ad4c667ed962d878ca8f647a73dfb07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53431c5cee3d62d13a6a7f2629846ea37ad4c667ed962d878ca8f647a73dfb07","first_computed_at":"2026-07-05T06:46:16.143989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:46:16.143989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wGhjNLs2rDYICBy7i9pzfqbH4POcBjMFfOnaT5UYuLaVJVVAk3AOLnUACGB5e3N1jSWKFdteAmGCKnOfRKR8Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:46:16.144435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.15966","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:949844ad7a16541bbe6f66eda5307769d96d0d5b898a7c11d184fea661e96147","sha256:219ddd35f212d7c1a93a30e969bf0ab0e0d2b3ed23d9516f7eadfaad3af97899"],"state_sha256":"307103d47ee31ae78fd4eee000a690bd751a3b6f3a32abf2314f7ef2e0f51beb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wuVg155aRb7mU5WWbKPLP5DMjBXZHLc3yuX4db9PyLLqEzxiKKFTuV1KJ4TmkiGUfn2lDfb30OcXU1JV4zi7Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T18:54:05.070419Z","bundle_sha256":"8947d7de4ddf3867e8772c33dafdefea6ea1a452f07eae8e9a1c271548ba317d"}}