{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TUBFXA43I6UJGBKXV62PLBCIM6","short_pith_number":"pith:TUBFXA43","canonical_record":{"source":{"id":"2303.14536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-25T18:55:09Z","cross_cats_sorted":["cs.GR","cs.LG"],"title_canon_sha256":"82b79e24c1bcdfda3e3d750579560cbe7bd5088a408c2cbc6d881fe1f1d42f5a","abstract_canon_sha256":"06f22ce0158ddf4d491c509b64ed8aa8e9f6591db7cfa533aae88238bc6df86d"},"schema_version":"1.0"},"canonical_sha256":"9d025b839b47a8930557afb4f5844867b0809c85da4cfae8cca0a4576918f454","source":{"kind":"arxiv","id":"2303.14536","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.14536","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"arxiv_version","alias_value":"2303.14536v1","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.14536","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"pith_short_12","alias_value":"TUBFXA43I6UJ","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"pith_short_16","alias_value":"TUBFXA43I6UJGBKX","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"pith_short_8","alias_value":"TUBFXA43","created_at":"2026-07-05T05:54:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TUBFXA43I6UJGBKXV62PLBCIM6","target":"record","payload":{"canonical_record":{"source":{"id":"2303.14536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-25T18:55:09Z","cross_cats_sorted":["cs.GR","cs.LG"],"title_canon_sha256":"82b79e24c1bcdfda3e3d750579560cbe7bd5088a408c2cbc6d881fe1f1d42f5a","abstract_canon_sha256":"06f22ce0158ddf4d491c509b64ed8aa8e9f6591db7cfa533aae88238bc6df86d"},"schema_version":"1.0"},"canonical_sha256":"9d025b839b47a8930557afb4f5844867b0809c85da4cfae8cca0a4576918f454","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:54:43.181859Z","signature_b64":"0pHRMBf7Vi0+NywHak8k3o+Cmq49gW0qxqmYg7MesGKf+hYOOfYTx9wCWNYoehbkhjLHPCQqptVDP4UVOGYCDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d025b839b47a8930557afb4f5844867b0809c85da4cfae8cca0a4576918f454","last_reissued_at":"2026-07-05T05:54:43.181492Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:54:43.181492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.14536","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":"2026-07-05T05:54:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"njLPq5cByRBPDCH8HnQqBigiP3DSuqqPzojgy0XgEZ5XMf4Hw2zy1Lqmyr82fhj9JN5cP3Wu0bYhNrBXkdksDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:35:10.179220Z"},"content_sha256":"78ae28071c286a98e04fd2689a6d236319bfc790a782ffd5bfcfacca7755ba2e","schema_version":"1.0","event_id":"sha256:78ae28071c286a98e04fd2689a6d236319bfc790a782ffd5bfcfacca7755ba2e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TUBFXA43I6UJGBKXV62PLBCIM6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SUDS: Scalable Urban Dynamic Scenes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GR","cs.LG"],"primary_cat":"cs.CV","authors_text":"Deva Ramanan, Francesco Ferroni, Haithem Turki, Jason Y. Zhang","submitted_at":"2023-03-25T18:55:09Z","abstract_excerpt":"We extend neural radiance fields (NeRFs) to dynamic large-scale urban scenes. Prior work tends to reconstruct single video clips of short durations (up to 10 seconds). Two reasons are that such methods (a) tend to scale linearly with the number of moving objects and input videos because a separate model is built for each and (b) tend to require supervision via 3D bounding boxes and panoptic labels, obtained manually or via category-specific models. As a step towards truly open-world reconstructions of dynamic cities, we introduce two key innovations: (a) we factorize the scene into three separ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.14536","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/2303.14536/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":"2026-07-05T05:54:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"44XTSyOHnZbRPZ+1SbrS6ieRnLssQohJNfHIsdUC8IJ/9qUVOpiW948NySnjwUcu0hFpdFdBKWaUd8ZOeuPkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:35:10.179747Z"},"content_sha256":"6cb83a6f100025a8d6b97fe94ede8d992dd062588cbcbfa0b250a353c50d8612","schema_version":"1.0","event_id":"sha256:6cb83a6f100025a8d6b97fe94ede8d992dd062588cbcbfa0b250a353c50d8612"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TUBFXA43I6UJGBKXV62PLBCIM6/bundle.json","state_url":"https://pith.science/pith/TUBFXA43I6UJGBKXV62PLBCIM6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TUBFXA43I6UJGBKXV62PLBCIM6/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":"2026-08-03T17:35:10Z","links":{"resolver":"https://pith.science/pith/TUBFXA43I6UJGBKXV62PLBCIM6","bundle":"https://pith.science/pith/TUBFXA43I6UJGBKXV62PLBCIM6/bundle.json","state":"https://pith.science/pith/TUBFXA43I6UJGBKXV62PLBCIM6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TUBFXA43I6UJGBKXV62PLBCIM6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TUBFXA43I6UJGBKXV62PLBCIM6","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":"06f22ce0158ddf4d491c509b64ed8aa8e9f6591db7cfa533aae88238bc6df86d","cross_cats_sorted":["cs.GR","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-25T18:55:09Z","title_canon_sha256":"82b79e24c1bcdfda3e3d750579560cbe7bd5088a408c2cbc6d881fe1f1d42f5a"},"schema_version":"1.0","source":{"id":"2303.14536","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.14536","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"arxiv_version","alias_value":"2303.14536v1","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.14536","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"pith_short_12","alias_value":"TUBFXA43I6UJ","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"pith_short_16","alias_value":"TUBFXA43I6UJGBKX","created_at":"2026-07-05T05:54:43Z"},{"alias_kind":"pith_short_8","alias_value":"TUBFXA43","created_at":"2026-07-05T05:54:43Z"}],"graph_snapshots":[{"event_id":"sha256:6cb83a6f100025a8d6b97fe94ede8d992dd062588cbcbfa0b250a353c50d8612","target":"graph","created_at":"2026-07-05T05:54:43Z","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/2303.14536/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We extend neural radiance fields (NeRFs) to dynamic large-scale urban scenes. Prior work tends to reconstruct single video clips of short durations (up to 10 seconds). Two reasons are that such methods (a) tend to scale linearly with the number of moving objects and input videos because a separate model is built for each and (b) tend to require supervision via 3D bounding boxes and panoptic labels, obtained manually or via category-specific models. As a step towards truly open-world reconstructions of dynamic cities, we introduce two key innovations: (a) we factorize the scene into three separ","authors_text":"Deva Ramanan, Francesco Ferroni, Haithem Turki, Jason Y. Zhang","cross_cats":["cs.GR","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-25T18:55:09Z","title":"SUDS: Scalable Urban Dynamic Scenes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.14536","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":"sha256:78ae28071c286a98e04fd2689a6d236319bfc790a782ffd5bfcfacca7755ba2e","target":"record","created_at":"2026-07-05T05:54:43Z","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":"06f22ce0158ddf4d491c509b64ed8aa8e9f6591db7cfa533aae88238bc6df86d","cross_cats_sorted":["cs.GR","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-03-25T18:55:09Z","title_canon_sha256":"82b79e24c1bcdfda3e3d750579560cbe7bd5088a408c2cbc6d881fe1f1d42f5a"},"schema_version":"1.0","source":{"id":"2303.14536","kind":"arxiv","version":1}},"canonical_sha256":"9d025b839b47a8930557afb4f5844867b0809c85da4cfae8cca0a4576918f454","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d025b839b47a8930557afb4f5844867b0809c85da4cfae8cca0a4576918f454","first_computed_at":"2026-07-05T05:54:43.181492Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:54:43.181492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0pHRMBf7Vi0+NywHak8k3o+Cmq49gW0qxqmYg7MesGKf+hYOOfYTx9wCWNYoehbkhjLHPCQqptVDP4UVOGYCDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:54:43.181859Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.14536","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78ae28071c286a98e04fd2689a6d236319bfc790a782ffd5bfcfacca7755ba2e","sha256:6cb83a6f100025a8d6b97fe94ede8d992dd062588cbcbfa0b250a353c50d8612"],"state_sha256":"2c9cf6287517ebb2740dd7ed504c65cbf72c4c0d6dc15963be336a9a916906f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxmjnKSIICAs6U7Lb+xJzlsH16FfDNiEIdd5WuGVoBOP77wABdQLZibdFjwbpOgCiU0zmyxZNuNCp1YYHb8nDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:35:10.183801Z","bundle_sha256":"cea8116055c8acba0148cdbf29a8eb52da5ff9238233d8ed8d519212fb46509d"}}