{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:H5NQ6VARLBLWMZ6HBEHVQMJJKA","short_pith_number":"pith:H5NQ6VAR","canonical_record":{"source":{"id":"2310.11448","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-10-17T17:57:38Z","cross_cats_sorted":[],"title_canon_sha256":"3f7764909e1965d018d3bdf401838536e7bd8b4ca10c6211fb0da687bcf2b4dd","abstract_canon_sha256":"bb9d7431349aed4587be14b94bb17435cc8eac5e6b12febe8e59fa4119b7942f"},"schema_version":"1.0"},"canonical_sha256":"3f5b0f541158576667c7090f583129502d88392903e546577ebae872604a284f","source":{"kind":"arxiv","id":"2310.11448","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.11448","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"arxiv_version","alias_value":"2310.11448v3","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.11448","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"pith_short_12","alias_value":"H5NQ6VARLBLW","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"pith_short_16","alias_value":"H5NQ6VARLBLWMZ6H","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"pith_short_8","alias_value":"H5NQ6VAR","created_at":"2026-07-05T07:06:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:H5NQ6VARLBLWMZ6HBEHVQMJJKA","target":"record","payload":{"canonical_record":{"source":{"id":"2310.11448","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-10-17T17:57:38Z","cross_cats_sorted":[],"title_canon_sha256":"3f7764909e1965d018d3bdf401838536e7bd8b4ca10c6211fb0da687bcf2b4dd","abstract_canon_sha256":"bb9d7431349aed4587be14b94bb17435cc8eac5e6b12febe8e59fa4119b7942f"},"schema_version":"1.0"},"canonical_sha256":"3f5b0f541158576667c7090f583129502d88392903e546577ebae872604a284f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:06:05.990573Z","signature_b64":"XzMjZqtiJW3rSRd/fTSS/uTOVvrtUPiuxVNQ9Ppv+PtVOqAzWxiOD2uQQP0fHajE4SaKRhj/ulZ6Gm7qWk+PCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f5b0f541158576667c7090f583129502d88392903e546577ebae872604a284f","last_reissued_at":"2026-07-05T07:06:05.989934Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:06:05.989934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.11448","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":"2026-07-05T07:06:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kBm4hyMmcJi7DZ5zHRFQjslBCWr80kWSlL6TuefiV1OWQjCcHCiBiXpTYe3CW+rcakpiAZ7D79iNNAEk3BAiCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T18:03:29.799231Z"},"content_sha256":"8e6336777f7d71ed1dde1f009462cd4833702d2781576a66ec19933f7a8a79e3","schema_version":"1.0","event_id":"sha256:8e6336777f7d71ed1dde1f009462cd4833702d2781576a66ec19933f7a8a79e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:H5NQ6VARLBLWMZ6HBEHVQMJJKA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"4K4D: Real-Time 4D View Synthesis at 4K Resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Guangzhao He, Haotong Lin, Hujun Bao, Jiaming Sun, Sida Peng, Xiaowei Zhou, Yujun Shen, Zhen Xu","submitted_at":"2023-10-17T17:57:38Z","abstract_excerpt":"This paper targets high-fidelity and real-time view synthesis of dynamic 3D scenes at 4K resolution. Recently, some methods on dynamic view synthesis have shown impressive rendering quality. However, their speed is still limited when rendering high-resolution images. To overcome this problem, we propose 4K4D, a 4D point cloud representation that supports hardware rasterization and enables unprecedented rendering speed. Our representation is built on a 4D feature grid so that the points are naturally regularized and can be robustly optimized. In addition, we design a novel hybrid appearance mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.11448","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/2310.11448/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":"2026-07-05T07:06:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y/Ry0QjddRIdK3IxLD7aYO0/KHyled/yRSx7LqVJoT8jQoASXU/ixdBop+XC8QVDlDaGR5CT9Kxy8Fu4FORKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T18:03:29.799857Z"},"content_sha256":"db8c3a7568953ba663536eb8a6fa2a52cf0c0491b24d7c7955ff69ded79eaa1a","schema_version":"1.0","event_id":"sha256:db8c3a7568953ba663536eb8a6fa2a52cf0c0491b24d7c7955ff69ded79eaa1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA/bundle.json","state_url":"https://pith.science/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA/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":"2026-08-14T18:03:29Z","links":{"resolver":"https://pith.science/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA","bundle":"https://pith.science/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA/bundle.json","state":"https://pith.science/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H5NQ6VARLBLWMZ6HBEHVQMJJKA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:H5NQ6VARLBLWMZ6HBEHVQMJJKA","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":"bb9d7431349aed4587be14b94bb17435cc8eac5e6b12febe8e59fa4119b7942f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-10-17T17:57:38Z","title_canon_sha256":"3f7764909e1965d018d3bdf401838536e7bd8b4ca10c6211fb0da687bcf2b4dd"},"schema_version":"1.0","source":{"id":"2310.11448","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.11448","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"arxiv_version","alias_value":"2310.11448v3","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.11448","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"pith_short_12","alias_value":"H5NQ6VARLBLW","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"pith_short_16","alias_value":"H5NQ6VARLBLWMZ6H","created_at":"2026-07-05T07:06:05Z"},{"alias_kind":"pith_short_8","alias_value":"H5NQ6VAR","created_at":"2026-07-05T07:06:05Z"}],"graph_snapshots":[{"event_id":"sha256:db8c3a7568953ba663536eb8a6fa2a52cf0c0491b24d7c7955ff69ded79eaa1a","target":"graph","created_at":"2026-07-05T07:06:05Z","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/2310.11448/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper targets high-fidelity and real-time view synthesis of dynamic 3D scenes at 4K resolution. Recently, some methods on dynamic view synthesis have shown impressive rendering quality. However, their speed is still limited when rendering high-resolution images. To overcome this problem, we propose 4K4D, a 4D point cloud representation that supports hardware rasterization and enables unprecedented rendering speed. Our representation is built on a 4D feature grid so that the points are naturally regularized and can be robustly optimized. In addition, we design a novel hybrid appearance mod","authors_text":"Guangzhao He, Haotong Lin, Hujun Bao, Jiaming Sun, Sida Peng, Xiaowei Zhou, Yujun Shen, Zhen Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-10-17T17:57:38Z","title":"4K4D: Real-Time 4D View Synthesis at 4K Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.11448","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":"sha256:8e6336777f7d71ed1dde1f009462cd4833702d2781576a66ec19933f7a8a79e3","target":"record","created_at":"2026-07-05T07:06:05Z","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":"bb9d7431349aed4587be14b94bb17435cc8eac5e6b12febe8e59fa4119b7942f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-10-17T17:57:38Z","title_canon_sha256":"3f7764909e1965d018d3bdf401838536e7bd8b4ca10c6211fb0da687bcf2b4dd"},"schema_version":"1.0","source":{"id":"2310.11448","kind":"arxiv","version":3}},"canonical_sha256":"3f5b0f541158576667c7090f583129502d88392903e546577ebae872604a284f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f5b0f541158576667c7090f583129502d88392903e546577ebae872604a284f","first_computed_at":"2026-07-05T07:06:05.989934Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:06:05.989934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XzMjZqtiJW3rSRd/fTSS/uTOVvrtUPiuxVNQ9Ppv+PtVOqAzWxiOD2uQQP0fHajE4SaKRhj/ulZ6Gm7qWk+PCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:06:05.990573Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.11448","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e6336777f7d71ed1dde1f009462cd4833702d2781576a66ec19933f7a8a79e3","sha256:db8c3a7568953ba663536eb8a6fa2a52cf0c0491b24d7c7955ff69ded79eaa1a"],"state_sha256":"57d55b9b6aa09f5f4612bb07cbb70762fadc705b580121bb8f8191862c7884e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G1pWG8itbvZfk8gOT69/ci3SXfMGeBlZ95tS51JCZa1UPv84/8QKmup1Ft0fZfIOqGKTikofBxhdbt7YcHyLAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T18:03:29.819248Z","bundle_sha256":"f1b3be04af12ddb1e3bfd24b9215c1e8d337466e45348544c94ddc2de3a9b76c"}}