{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:6TH37HM32CHBR6PX72372VQJ42","short_pith_number":"pith:6TH37HM3","canonical_record":{"source":{"id":"2301.10241","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-24T18:59:08Z","cross_cats_sorted":[],"title_canon_sha256":"5a4e8641c06443770e67f18e9c5eefc101e2242f4b8d5ca153a38aac874124f5","abstract_canon_sha256":"293f09a09bf5a0d22fcba8debe362b2070043a46cdff3e46e04be0bcd9ead0f2"},"schema_version":"1.0"},"canonical_sha256":"f4cfbf9d9bd08e18f9f7feb7fd5609e6a9b9bb016f4a5f5ff3f01765d52de12e","source":{"kind":"arxiv","id":"2301.10241","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.10241","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"arxiv_version","alias_value":"2301.10241v2","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.10241","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"pith_short_12","alias_value":"6TH37HM32CHB","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"pith_short_16","alias_value":"6TH37HM32CHBR6PX","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"pith_short_8","alias_value":"6TH37HM3","created_at":"2026-07-05T05:54:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:6TH37HM32CHBR6PX72372VQJ42","target":"record","payload":{"canonical_record":{"source":{"id":"2301.10241","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-24T18:59:08Z","cross_cats_sorted":[],"title_canon_sha256":"5a4e8641c06443770e67f18e9c5eefc101e2242f4b8d5ca153a38aac874124f5","abstract_canon_sha256":"293f09a09bf5a0d22fcba8debe362b2070043a46cdff3e46e04be0bcd9ead0f2"},"schema_version":"1.0"},"canonical_sha256":"f4cfbf9d9bd08e18f9f7feb7fd5609e6a9b9bb016f4a5f5ff3f01765d52de12e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:54:35.391465Z","signature_b64":"ysIIQgsVz1AjSCihEF2SQTyV9Ms1k5Op7do2AFKuwh5l+50HCNmG1VGBK4w7Tlc9kXFCqc0ANwFHBFsptJ1XCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4cfbf9d9bd08e18f9f7feb7fd5609e6a9b9bb016f4a5f5ff3f01765d52de12e","last_reissued_at":"2026-07-05T05:54:35.390921Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:54:35.390921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.10241","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:54:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s26OSNC614G1RS3wqNW1V2nDb+Jhd4fhnXSPH4XQJYsnyGwKT3vJ6HeXrtlZjS8DqyM9uTYazarxps2lyhd9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:53:37.855193Z"},"content_sha256":"4dd45439fa512720266e152671fceb7490974499dba1d4d32b363b992b60e144","schema_version":"1.0","event_id":"sha256:4dd45439fa512720266e152671fceb7490974499dba1d4d32b363b992b60e144"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:6TH37HM32CHBR6PX72372VQJ42","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"K-Planes: Explicit Radiance Fields in Space, Time, and Appearance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Angjoo Kanazawa, Benjamin Recht, Frederik Warburg, Giacomo Meanti, Sara Fridovich-Keil","submitted_at":"2023-01-24T18:59:08Z","abstract_excerpt":"We introduce k-planes, a white-box model for radiance fields in arbitrary dimensions. Our model uses d choose 2 planes to represent a d-dimensional scene, providing a seamless way to go from static (d=3) to dynamic (d=4) scenes. This planar factorization makes adding dimension-specific priors easy, e.g. temporal smoothness and multi-resolution spatial structure, and induces a natural decomposition of static and dynamic components of a scene. We use a linear feature decoder with a learned color basis that yields similar performance as a nonlinear black-box MLP decoder. Across a range of synthet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.10241","kind":"arxiv","version":2},"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/2301.10241/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":"2026-07-05T05:54:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4/6XCDnfByhW+lDeXO55n/Ry/CDKhDiuuYpA8PgzwqacFSiApOZlZrsoh7LCuJyInwK120Yodwg+mbi+xiZgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:53:37.855561Z"},"content_sha256":"456babcffb9c29e198dcba566961891551de855c0024ff28462bb519a3f32d0d","schema_version":"1.0","event_id":"sha256:456babcffb9c29e198dcba566961891551de855c0024ff28462bb519a3f32d0d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TH37HM32CHBR6PX72372VQJ42/bundle.json","state_url":"https://pith.science/pith/6TH37HM32CHBR6PX72372VQJ42/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TH37HM32CHBR6PX72372VQJ42/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":"2026-08-18T13:53:37Z","links":{"resolver":"https://pith.science/pith/6TH37HM32CHBR6PX72372VQJ42","bundle":"https://pith.science/pith/6TH37HM32CHBR6PX72372VQJ42/bundle.json","state":"https://pith.science/pith/6TH37HM32CHBR6PX72372VQJ42/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TH37HM32CHBR6PX72372VQJ42/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:6TH37HM32CHBR6PX72372VQJ42","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":"293f09a09bf5a0d22fcba8debe362b2070043a46cdff3e46e04be0bcd9ead0f2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-24T18:59:08Z","title_canon_sha256":"5a4e8641c06443770e67f18e9c5eefc101e2242f4b8d5ca153a38aac874124f5"},"schema_version":"1.0","source":{"id":"2301.10241","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.10241","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"arxiv_version","alias_value":"2301.10241v2","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.10241","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"pith_short_12","alias_value":"6TH37HM32CHB","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"pith_short_16","alias_value":"6TH37HM32CHBR6PX","created_at":"2026-07-05T05:54:35Z"},{"alias_kind":"pith_short_8","alias_value":"6TH37HM3","created_at":"2026-07-05T05:54:35Z"}],"graph_snapshots":[{"event_id":"sha256:456babcffb9c29e198dcba566961891551de855c0024ff28462bb519a3f32d0d","target":"graph","created_at":"2026-07-05T05:54:35Z","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/2301.10241/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce k-planes, a white-box model for radiance fields in arbitrary dimensions. Our model uses d choose 2 planes to represent a d-dimensional scene, providing a seamless way to go from static (d=3) to dynamic (d=4) scenes. This planar factorization makes adding dimension-specific priors easy, e.g. temporal smoothness and multi-resolution spatial structure, and induces a natural decomposition of static and dynamic components of a scene. We use a linear feature decoder with a learned color basis that yields similar performance as a nonlinear black-box MLP decoder. Across a range of synthet","authors_text":"Angjoo Kanazawa, Benjamin Recht, Frederik Warburg, Giacomo Meanti, Sara Fridovich-Keil","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-24T18:59:08Z","title":"K-Planes: Explicit Radiance Fields in Space, Time, and Appearance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.10241","kind":"arxiv","version":2},"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":"sha256:4dd45439fa512720266e152671fceb7490974499dba1d4d32b363b992b60e144","target":"record","created_at":"2026-07-05T05:54:35Z","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":"293f09a09bf5a0d22fcba8debe362b2070043a46cdff3e46e04be0bcd9ead0f2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-01-24T18:59:08Z","title_canon_sha256":"5a4e8641c06443770e67f18e9c5eefc101e2242f4b8d5ca153a38aac874124f5"},"schema_version":"1.0","source":{"id":"2301.10241","kind":"arxiv","version":2}},"canonical_sha256":"f4cfbf9d9bd08e18f9f7feb7fd5609e6a9b9bb016f4a5f5ff3f01765d52de12e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4cfbf9d9bd08e18f9f7feb7fd5609e6a9b9bb016f4a5f5ff3f01765d52de12e","first_computed_at":"2026-07-05T05:54:35.390921Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:54:35.390921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ysIIQgsVz1AjSCihEF2SQTyV9Ms1k5Op7do2AFKuwh5l+50HCNmG1VGBK4w7Tlc9kXFCqc0ANwFHBFsptJ1XCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:54:35.391465Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.10241","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4dd45439fa512720266e152671fceb7490974499dba1d4d32b363b992b60e144","sha256:456babcffb9c29e198dcba566961891551de855c0024ff28462bb519a3f32d0d"],"state_sha256":"776c45d24f6824abb66be69d793d0aeb857ee6cfbc6cea906c5d2ecb13d1dd8c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XmAgn7zgJ9H3O9+x1yFOVkfUR9ZRUfa68vdeCIYcjg/z63N1H7YveA6xq0mStS452MVnaLn3kz4nMqrce/CECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T13:53:37.858481Z","bundle_sha256":"da9f2e6f0201d52ec0e0d6230a9d1475444779dd03ca40e6eb557e840ea27b3f"}}