{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XGXG4S4RV4VSSV7MINSCIZYJ3G","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":"a0cfa30bd3c61f9ea4f293c1c91c3174181c77ceda06d87ba6ea4753122581e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-05-11T07:37:15Z","title_canon_sha256":"afc87a757e52fde3f6a6ee145a67772dacaaf68c78cb52f4d9cb89eeb23f7f45"},"schema_version":"1.0","source":{"id":"2305.06621","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06621","created_at":"2026-07-05T06:09:14Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06621v1","created_at":"2026-07-05T06:09:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06621","created_at":"2026-07-05T06:09:14Z"},{"alias_kind":"pith_short_12","alias_value":"XGXG4S4RV4VS","created_at":"2026-07-05T06:09:14Z"},{"alias_kind":"pith_short_16","alias_value":"XGXG4S4RV4VSSV7M","created_at":"2026-07-05T06:09:14Z"},{"alias_kind":"pith_short_8","alias_value":"XGXG4S4R","created_at":"2026-07-05T06:09:14Z"}],"graph_snapshots":[{"event_id":"sha256:7d9be5afaf10644745c89f644dd43cbdb3689b2e613bdeac4ca22295b456e51e","target":"graph","created_at":"2026-07-05T06:09:14Z","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/2305.06621/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent Transformer-based 3D object detectors learn point cloud features either from point- or voxel-based representations. However, the former requires time-consuming sampling while the latter introduces quantization errors. In this paper, we present a novel Point-Voxel Transformer for single-stage 3D detection (PVT-SSD) that takes advantage of these two representations. Specifically, we first use voxel-based sparse convolutions for efficient feature encoding. Then, we propose a Point-Voxel Transformer (PVT) module that obtains long-range contexts in a cheap manner from voxels while attaining ","authors_text":"Binbin Lin, Honghui Yang, Hua Chen, Minghao Chen, Tong He, Wanli Ouyang, Wenxiao Wang, Xiaofei He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-05-11T07:37:15Z","title":"PVT-SSD: Single-Stage 3D Object Detector with Point-Voxel Transformer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06621","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:a29b3eefc1b1382979be24701c19d6454d07c1999a0ee7bab40ee19c067edb05","target":"record","created_at":"2026-07-05T06:09:14Z","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":"a0cfa30bd3c61f9ea4f293c1c91c3174181c77ceda06d87ba6ea4753122581e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-05-11T07:37:15Z","title_canon_sha256":"afc87a757e52fde3f6a6ee145a67772dacaaf68c78cb52f4d9cb89eeb23f7f45"},"schema_version":"1.0","source":{"id":"2305.06621","kind":"arxiv","version":1}},"canonical_sha256":"b9ae6e4b91af2b2957ec4364246709d9a3d0b5a186062d2bedb8c5c4956abaf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9ae6e4b91af2b2957ec4364246709d9a3d0b5a186062d2bedb8c5c4956abaf1","first_computed_at":"2026-07-05T06:09:14.693618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:09:14.693618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2MtYr3w9haa5cD8LavFxG/NIgJJ9Qxbvk6yTYh/BaFU1HrfJ+RIeMvNDNkMP0bw93tlofCOaBpbCtWLJpOQRDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:09:14.694001Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.06621","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a29b3eefc1b1382979be24701c19d6454d07c1999a0ee7bab40ee19c067edb05","sha256:7d9be5afaf10644745c89f644dd43cbdb3689b2e613bdeac4ca22295b456e51e"],"state_sha256":"1b0b3c1b207e24e3a6e9458946306dd3a977f2e9c5e245bbe2147c96fff143ca"}