{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KN2B6XG2PCQMNH532R2PGDWPXT","short_pith_number":"pith:KN2B6XG2","canonical_record":{"source":{"id":"2511.18801","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-24T06:11:21Z","cross_cats_sorted":[],"title_canon_sha256":"496db59dca359cae980a708597d29415055bb45131a009c8292b3443b0e25bcc","abstract_canon_sha256":"b8e32e6eb36596ff4fd49a375fb65221c5cf92e470bd56488eae7c6129cce509"},"schema_version":"1.0"},"canonical_sha256":"53741f5cda78a0c69fbbd474f30ecfbcd4105702475ff747470f3ab34d39d1b4","source":{"kind":"arxiv","id":"2511.18801","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.18801","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"2511.18801v3","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.18801","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"KN2B6XG2PCQM","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"pith_short_16","alias_value":"KN2B6XG2PCQMNH53","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"pith_short_8","alias_value":"KN2B6XG2","created_at":"2026-05-20T00:02:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KN2B6XG2PCQMNH532R2PGDWPXT","target":"record","payload":{"canonical_record":{"source":{"id":"2511.18801","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-24T06:11:21Z","cross_cats_sorted":[],"title_canon_sha256":"496db59dca359cae980a708597d29415055bb45131a009c8292b3443b0e25bcc","abstract_canon_sha256":"b8e32e6eb36596ff4fd49a375fb65221c5cf92e470bd56488eae7c6129cce509"},"schema_version":"1.0"},"canonical_sha256":"53741f5cda78a0c69fbbd474f30ecfbcd4105702475ff747470f3ab34d39d1b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:02:59.196096Z","signature_b64":"gwaQ7kYNMbAkw/5lrwdlljrgj5JGWQGWApxu9QRbFOH7o1/qglI/69DzAqVUbjHaoXjRP3yhfIo1Wp/CAvBfAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53741f5cda78a0c69fbbd474f30ecfbcd4105702475ff747470f3ab34d39d1b4","last_reissued_at":"2026-05-20T00:02:59.195101Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:02:59.195101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2511.18801","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-20T00:02:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7fRrRfHYOOHz/vAZd5fp7rNz7U8PLmt58/QNHL4WO2KnpHIJK1MfR9mtENghmlOxs6YCfdWQRc5Axtjp8zpxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:39:42.123300Z"},"content_sha256":"62c8a282d2d2f9803492e31f38ce1ebcbff570db38c80297a7368c82687b0621","schema_version":"1.0","event_id":"sha256:62c8a282d2d2f9803492e31f38ce1ebcbff570db38c80297a7368c82687b0621"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KN2B6XG2PCQMNH532R2PGDWPXT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PartDiffuser: Part-wise 3D Mesh Generation via Discrete Diffusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Baochang Zhang, Guojun Lei, Haodong Zhu, Hong Li, Linin Yang, Sheng Xu, Yichen Yang","submitted_at":"2025-11-24T06:11:21Z","abstract_excerpt":"Existing autoregressive (AR) methods for generating artist-designed meshes struggle to balance global structural consistency with high-fidelity local details, and are susceptible to error accumulation. To address this, we propose PartDiffuser, a novel semi-autoregressive diffusion framework for point-cloud-to-mesh generation. The method first performs semantic segmentation on the mesh and then operates in a \"part-wise\" manner: it employs autoregression between parts to ensure global topology, while utilizing a parallel discrete diffusion process within each semantic part to precisely reconstru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.18801","kind":"arxiv","version":3},"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/2511.18801/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":"2026-05-20T00:02:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AyRBAzjGIdkE3WKboZ11eFSOUal0Hwco3oqB1t/58UpquUPXEpxdENBHHZCc8r0HkdtUIW2DJObtWag3jQJmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:39:42.124088Z"},"content_sha256":"ec6a899a57aabf621a5a23aafa2247be86e65ffcd9f8d3b7819596eecfab029a","schema_version":"1.0","event_id":"sha256:ec6a899a57aabf621a5a23aafa2247be86e65ffcd9f8d3b7819596eecfab029a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KN2B6XG2PCQMNH532R2PGDWPXT/bundle.json","state_url":"https://pith.science/pith/KN2B6XG2PCQMNH532R2PGDWPXT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KN2B6XG2PCQMNH532R2PGDWPXT/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":"2026-05-25T17:39:42Z","links":{"resolver":"https://pith.science/pith/KN2B6XG2PCQMNH532R2PGDWPXT","bundle":"https://pith.science/pith/KN2B6XG2PCQMNH532R2PGDWPXT/bundle.json","state":"https://pith.science/pith/KN2B6XG2PCQMNH532R2PGDWPXT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KN2B6XG2PCQMNH532R2PGDWPXT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KN2B6XG2PCQMNH532R2PGDWPXT","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":"b8e32e6eb36596ff4fd49a375fb65221c5cf92e470bd56488eae7c6129cce509","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-24T06:11:21Z","title_canon_sha256":"496db59dca359cae980a708597d29415055bb45131a009c8292b3443b0e25bcc"},"schema_version":"1.0","source":{"id":"2511.18801","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.18801","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"2511.18801v3","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.18801","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"KN2B6XG2PCQM","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"pith_short_16","alias_value":"KN2B6XG2PCQMNH53","created_at":"2026-05-20T00:02:59Z"},{"alias_kind":"pith_short_8","alias_value":"KN2B6XG2","created_at":"2026-05-20T00:02:59Z"}],"graph_snapshots":[{"event_id":"sha256:ec6a899a57aabf621a5a23aafa2247be86e65ffcd9f8d3b7819596eecfab029a","target":"graph","created_at":"2026-05-20T00:02:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2511.18801/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Existing autoregressive (AR) methods for generating artist-designed meshes struggle to balance global structural consistency with high-fidelity local details, and are susceptible to error accumulation. To address this, we propose PartDiffuser, a novel semi-autoregressive diffusion framework for point-cloud-to-mesh generation. The method first performs semantic segmentation on the mesh and then operates in a \"part-wise\" manner: it employs autoregression between parts to ensure global topology, while utilizing a parallel discrete diffusion process within each semantic part to precisely reconstru","authors_text":"Baochang Zhang, Guojun Lei, Haodong Zhu, Hong Li, Linin Yang, Sheng Xu, Yichen Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-24T06:11:21Z","title":"PartDiffuser: Part-wise 3D Mesh Generation via Discrete Diffusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.18801","kind":"arxiv","version":3},"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":"sha256:62c8a282d2d2f9803492e31f38ce1ebcbff570db38c80297a7368c82687b0621","target":"record","created_at":"2026-05-20T00:02:59Z","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":"b8e32e6eb36596ff4fd49a375fb65221c5cf92e470bd56488eae7c6129cce509","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-11-24T06:11:21Z","title_canon_sha256":"496db59dca359cae980a708597d29415055bb45131a009c8292b3443b0e25bcc"},"schema_version":"1.0","source":{"id":"2511.18801","kind":"arxiv","version":3}},"canonical_sha256":"53741f5cda78a0c69fbbd474f30ecfbcd4105702475ff747470f3ab34d39d1b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53741f5cda78a0c69fbbd474f30ecfbcd4105702475ff747470f3ab34d39d1b4","first_computed_at":"2026-05-20T00:02:59.195101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:02:59.195101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gwaQ7kYNMbAkw/5lrwdlljrgj5JGWQGWApxu9QRbFOH7o1/qglI/69DzAqVUbjHaoXjRP3yhfIo1Wp/CAvBfAA==","signature_status":"signed_v1","signed_at":"2026-05-20T00:02:59.196096Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.18801","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62c8a282d2d2f9803492e31f38ce1ebcbff570db38c80297a7368c82687b0621","sha256:ec6a899a57aabf621a5a23aafa2247be86e65ffcd9f8d3b7819596eecfab029a"],"state_sha256":"f255726d50feb260e0ca127d347559639a3775a8e3990ce73a9b7544a8cc8afc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JustTsecDDbSwvhqmWhJL+dtOE4Z70R1F0dMx4sy9wyyekeZuc4Iq9ref85rwYMx2kJuRiN3ELNseL0BK///BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:39:42.128172Z","bundle_sha256":"8c97282b7ca9f01446e864d8aafad4eeff2fec0676ef8dcc46603980138b6867"}}