{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5WCBEM3QLWC3TJZOIZ7W63AEPL","short_pith_number":"pith:5WCBEM3Q","canonical_record":{"source":{"id":"2605.21032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-20T11:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"65335d054047606ad61d0cf317d1b6ad58e1894f4bcf88489b94a8a22e60844d","abstract_canon_sha256":"ad8330ff2a25fc296f148687d2d732ea4d4698e09e8725861d05d85884b51af2"},"schema_version":"1.0"},"canonical_sha256":"ed841233705d85b9a72e467f6f6c047ade35b9bae4772b3a0c1aca3b7b88dc4a","source":{"kind":"arxiv","id":"2605.21032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21032","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21032v1","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21032","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"pith_short_12","alias_value":"5WCBEM3QLWC3","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"pith_short_16","alias_value":"5WCBEM3QLWC3TJZO","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"pith_short_8","alias_value":"5WCBEM3Q","created_at":"2026-05-21T01:05:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5WCBEM3QLWC3TJZOIZ7W63AEPL","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-20T11:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"65335d054047606ad61d0cf317d1b6ad58e1894f4bcf88489b94a8a22e60844d","abstract_canon_sha256":"ad8330ff2a25fc296f148687d2d732ea4d4698e09e8725861d05d85884b51af2"},"schema_version":"1.0"},"canonical_sha256":"ed841233705d85b9a72e467f6f6c047ade35b9bae4772b3a0c1aca3b7b88dc4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:33.367982Z","signature_b64":"148SntoRgP2LrxayS+6Kcz/g1D9aNAzQRKYtRDBnHuGhqj0Q76K5ySJbUePB4dxhrvnYnr+Inz7C7QcnlUyjDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed841233705d85b9a72e467f6f6c047ade35b9bae4772b3a0c1aca3b7b88dc4a","last_reissued_at":"2026-05-21T01:05:33.367403Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:33.367403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21032","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":"2026-05-21T01:05:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vpWPBwmAuI/7wGPxA/7ncJNm0YexqbhbNmBGcacW1LAIb9MwwtsXLHS4wLE1/gUuhVYArJKgoCMtd1s0R2rKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:23:55.308707Z"},"content_sha256":"f1d09ada4ecbee6888d9000f8bb5bbf235fa5438eb258a005e924c18dbefb2e7","schema_version":"1.0","event_id":"sha256:f1d09ada4ecbee6888d9000f8bb5bbf235fa5438eb258a005e924c18dbefb2e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5WCBEM3QLWC3TJZOIZ7W63AEPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Physically Consistent 4D Scene Reconstruction for Closed-loop Autonomous Driving Simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bai Huang, Bowyn Tan, Fan Luo, Naizheng Wang, Shengbo Eben Li, Xiao Li, Yang Guan, Yutong Xie","submitted_at":"2026-05-20T11:09:53Z","abstract_excerpt":"High-fidelity street scene reconstruction is pivotal for end-to-end autonomous driving simulation, where novel-view synthesis (NVS) and time-varying information modeling are two fundamental capabilities to facilitate closed-loop training. However, existing 3DGS methods and their 4D extensions fail to simultaneously achieve both. To bridge this gap, we establish an information-geometric diagnostic framework, revealing that this limitation stems from a credit assignment dilemma between spatial and temporal parameters. Specifically, the deterministic coupling between viewpoint and time in single-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21032","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/2605.21032/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":"2026-05-21T01:05:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"922Cq39LBB74b9f1JzBUCvfGGsatxiL2XBoCrzuqXE1pVEqrWh7ku6Njjx4zp2OvEjxW7xnjkhfDD8je+GyyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:23:55.309469Z"},"content_sha256":"26e5318dd55b7d5fe05a80a0716eb25b35d32e095b4f39837604dc848cbb9785","schema_version":"1.0","event_id":"sha256:26e5318dd55b7d5fe05a80a0716eb25b35d32e095b4f39837604dc848cbb9785"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL/bundle.json","state_url":"https://pith.science/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL/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":"2026-05-25T15:23:55Z","links":{"resolver":"https://pith.science/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL","bundle":"https://pith.science/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL/bundle.json","state":"https://pith.science/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5WCBEM3QLWC3TJZOIZ7W63AEPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5WCBEM3QLWC3TJZOIZ7W63AEPL","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":"ad8330ff2a25fc296f148687d2d732ea4d4698e09e8725861d05d85884b51af2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-20T11:09:53Z","title_canon_sha256":"65335d054047606ad61d0cf317d1b6ad58e1894f4bcf88489b94a8a22e60844d"},"schema_version":"1.0","source":{"id":"2605.21032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21032","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21032v1","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21032","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"pith_short_12","alias_value":"5WCBEM3QLWC3","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"pith_short_16","alias_value":"5WCBEM3QLWC3TJZO","created_at":"2026-05-21T01:05:33Z"},{"alias_kind":"pith_short_8","alias_value":"5WCBEM3Q","created_at":"2026-05-21T01:05:33Z"}],"graph_snapshots":[{"event_id":"sha256:26e5318dd55b7d5fe05a80a0716eb25b35d32e095b4f39837604dc848cbb9785","target":"graph","created_at":"2026-05-21T01:05:33Z","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/2605.21032/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-fidelity street scene reconstruction is pivotal for end-to-end autonomous driving simulation, where novel-view synthesis (NVS) and time-varying information modeling are two fundamental capabilities to facilitate closed-loop training. However, existing 3DGS methods and their 4D extensions fail to simultaneously achieve both. To bridge this gap, we establish an information-geometric diagnostic framework, revealing that this limitation stems from a credit assignment dilemma between spatial and temporal parameters. Specifically, the deterministic coupling between viewpoint and time in single-","authors_text":"Bai Huang, Bowyn Tan, Fan Luo, Naizheng Wang, Shengbo Eben Li, Xiao Li, Yang Guan, Yutong Xie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-20T11:09:53Z","title":"Towards Physically Consistent 4D Scene Reconstruction for Closed-loop Autonomous Driving Simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21032","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:f1d09ada4ecbee6888d9000f8bb5bbf235fa5438eb258a005e924c18dbefb2e7","target":"record","created_at":"2026-05-21T01:05:33Z","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":"ad8330ff2a25fc296f148687d2d732ea4d4698e09e8725861d05d85884b51af2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-20T11:09:53Z","title_canon_sha256":"65335d054047606ad61d0cf317d1b6ad58e1894f4bcf88489b94a8a22e60844d"},"schema_version":"1.0","source":{"id":"2605.21032","kind":"arxiv","version":1}},"canonical_sha256":"ed841233705d85b9a72e467f6f6c047ade35b9bae4772b3a0c1aca3b7b88dc4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed841233705d85b9a72e467f6f6c047ade35b9bae4772b3a0c1aca3b7b88dc4a","first_computed_at":"2026-05-21T01:05:33.367403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:33.367403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"148SntoRgP2LrxayS+6Kcz/g1D9aNAzQRKYtRDBnHuGhqj0Q76K5ySJbUePB4dxhrvnYnr+Inz7C7QcnlUyjDw==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:33.367982Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1d09ada4ecbee6888d9000f8bb5bbf235fa5438eb258a005e924c18dbefb2e7","sha256:26e5318dd55b7d5fe05a80a0716eb25b35d32e095b4f39837604dc848cbb9785"],"state_sha256":"a50157c70d7b938405990453880dfdd71b4aa0d46593eb59333b3338786ddd47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jj1TUwJ27SmOye0Y8RwlU1NUmacWQlDmFkjNiPs4hIBM2SZiUhZfMvm4FSk/CHCdvRcxdVztlHuuq0lfOx2mCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:23:55.313481Z","bundle_sha256":"5d5b20d47fe53ab62a94d31fe3d2b761a324ba213401358342780ca4134c20dc"}}