{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UZTKOPLIB5TCMLLRQ3MRVM25BA","short_pith_number":"pith:UZTKOPLI","canonical_record":{"source":{"id":"1809.05050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2018-09-13T16:31:43Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"5dbe02c0f50e52fcf9a83274646f7a56c88f9b9d02ce0d77366e5ef511c8ed16","abstract_canon_sha256":"7f634de3b0c479be4584df9abc496e62dc96e999f9fc185c3a8e532f6d152ca3"},"schema_version":"1.0"},"canonical_sha256":"a666a73d680f66262d7186d91ab35d081168c5ccbd5685d4d6b8d3622231b339","source":{"kind":"arxiv","id":"1809.05050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05050","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05050v1","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05050","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"UZTKOPLIB5TC","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UZTKOPLIB5TCMLLR","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UZTKOPLI","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UZTKOPLIB5TCMLLRQ3MRVM25BA","target":"record","payload":{"canonical_record":{"source":{"id":"1809.05050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2018-09-13T16:31:43Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"5dbe02c0f50e52fcf9a83274646f7a56c88f9b9d02ce0d77366e5ef511c8ed16","abstract_canon_sha256":"7f634de3b0c479be4584df9abc496e62dc96e999f9fc185c3a8e532f6d152ca3"},"schema_version":"1.0"},"canonical_sha256":"a666a73d680f66262d7186d91ab35d081168c5ccbd5685d4d6b8d3622231b339","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:46.762941Z","signature_b64":"j9KS6o6jsMRl1DWzdiyls/A8mRQUjnjItj1eTwZpoO6OyD4GVlKvNY0BWkmIiZdhI0evx8VqJ+mf8z/0GljTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a666a73d680f66262d7186d91ab35d081168c5ccbd5685d4d6b8d3622231b339","last_reissued_at":"2026-05-18T00:05:46.762098Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:46.762098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.05050","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":"2026-05-18T00:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xS1s11OEAiSfMunxEBEGuwnAV800UOJ+YOMYi9O0icl94hfCVTJ4Zx3tK+0Zjyty69VxPSBwRluHiZJ9xgwBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:17:58.492524Z"},"content_sha256":"33bbe847cfc619956738c638c9161dd1142bdc57c709b27be17171f3be5f1305","schema_version":"1.0","event_id":"sha256:33bbe847cfc619956738c638c9161dd1142bdc57c709b27be17171f3be5f1305"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UZTKOPLIB5TCMLLRQ3MRVM25BA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learning to Group and Label Fine-Grained Shape Components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","cs.LG"],"primary_cat":"cs.GR","authors_text":"Bin Zhou, Haiyue Fang, Kai Xu, Qinping Zhao, Xiaogang Wang, Xiaowu Chen","submitted_at":"2018-09-13T16:31:43Z","abstract_excerpt":"A majority of stock 3D models in modern shape repositories are assembled with many fine-grained components. The main cause of such data form is the component-wise modeling process widely practiced by human modelers. These modeling components thus inherently reflect some function-based shape decomposition the artist had in mind during modeling. On the other hand, modeling components represent an over-segmentation since a functional part is usually modeled as a multi-component assembly. Based on these observations, we advocate that labeled segmentation of stock 3D models should not overlook the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05050","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":"2026-05-18T00:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yWddbPmtx6a3JqpCmtzPKwxNDSLVjO+iodtSbIhoe0Kq96qiYYBZT6NuZhRnPUI8FrWbJA0b+Ytcin2z2RkYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:17:58.492871Z"},"content_sha256":"8b8f8ef7e3c0cc2926414df2235db04887581fc2032947269e80d6c27517091f","schema_version":"1.0","event_id":"sha256:8b8f8ef7e3c0cc2926414df2235db04887581fc2032947269e80d6c27517091f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA/bundle.json","state_url":"https://pith.science/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA/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":"2026-06-24T19:17:58Z","links":{"resolver":"https://pith.science/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA","bundle":"https://pith.science/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA/bundle.json","state":"https://pith.science/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UZTKOPLIB5TCMLLRQ3MRVM25BA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UZTKOPLIB5TCMLLRQ3MRVM25BA","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":"7f634de3b0c479be4584df9abc496e62dc96e999f9fc185c3a8e532f6d152ca3","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2018-09-13T16:31:43Z","title_canon_sha256":"5dbe02c0f50e52fcf9a83274646f7a56c88f9b9d02ce0d77366e5ef511c8ed16"},"schema_version":"1.0","source":{"id":"1809.05050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05050","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05050v1","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05050","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"UZTKOPLIB5TC","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UZTKOPLIB5TCMLLR","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UZTKOPLI","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:8b8f8ef7e3c0cc2926414df2235db04887581fc2032947269e80d6c27517091f","target":"graph","created_at":"2026-05-18T00:05:46Z","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 majority of stock 3D models in modern shape repositories are assembled with many fine-grained components. The main cause of such data form is the component-wise modeling process widely practiced by human modelers. These modeling components thus inherently reflect some function-based shape decomposition the artist had in mind during modeling. On the other hand, modeling components represent an over-segmentation since a functional part is usually modeled as a multi-component assembly. Based on these observations, we advocate that labeled segmentation of stock 3D models should not overlook the ","authors_text":"Bin Zhou, Haiyue Fang, Kai Xu, Qinping Zhao, Xiaogang Wang, Xiaowu Chen","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2018-09-13T16:31:43Z","title":"Learning to Group and Label Fine-Grained Shape Components"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05050","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":"sha256:33bbe847cfc619956738c638c9161dd1142bdc57c709b27be17171f3be5f1305","target":"record","created_at":"2026-05-18T00:05:46Z","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":"7f634de3b0c479be4584df9abc496e62dc96e999f9fc185c3a8e532f6d152ca3","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2018-09-13T16:31:43Z","title_canon_sha256":"5dbe02c0f50e52fcf9a83274646f7a56c88f9b9d02ce0d77366e5ef511c8ed16"},"schema_version":"1.0","source":{"id":"1809.05050","kind":"arxiv","version":1}},"canonical_sha256":"a666a73d680f66262d7186d91ab35d081168c5ccbd5685d4d6b8d3622231b339","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a666a73d680f66262d7186d91ab35d081168c5ccbd5685d4d6b8d3622231b339","first_computed_at":"2026-05-18T00:05:46.762098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:46.762098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j9KS6o6jsMRl1DWzdiyls/A8mRQUjnjItj1eTwZpoO6OyD4GVlKvNY0BWkmIiZdhI0evx8VqJ+mf8z/0GljTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:46.762941Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.05050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33bbe847cfc619956738c638c9161dd1142bdc57c709b27be17171f3be5f1305","sha256:8b8f8ef7e3c0cc2926414df2235db04887581fc2032947269e80d6c27517091f"],"state_sha256":"b89aa232c02eb71460814e261481a09cb365f7810a598c7421d06ae925fb1957"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pNNPRnfJisgYGvgsuwd/WKXOrlp0if5SFVISKQMDt+xqruMbV8z/aztBaoS4SXFaNFgzQefMD/SbJz7mM/r+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T19:17:58.494827Z","bundle_sha256":"b2d622e94ce630101b7cf7527de1e628ade574604c7f4615b242e8078e74b712"}}