{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:5SVZAIYR45QE77KN5SJ4LDROTH","short_pith_number":"pith:5SVZAIYR","schema_version":"1.0","canonical_sha256":"ecab902311e7604ffd4dec93c58e2e99eefa765796bf5c69784f8a1cf642bf10","source":{"kind":"arxiv","id":"2605.20961","version":1},"attestation_state":"computed","paper":{"title":"Preserve, Reveal, Expand: Faithful 4D Video Editing with Region-Aware Conditioning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chunfeng Wang, Hao Li, Jiahui Yuan, Kun Zhan, Wenzhang Sun, Xiangchen Yin, Xiaoyan Sun, Zhangchi Hu","submitted_at":"2026-05-20T09:47:02Z","abstract_excerpt":"Existing 4D-driven video diffusion models primarily target plausible generation, but faithful 4D editing requires preserving source-observed regions while synthesizing disoccluded or out-of-view content. We identify Evidence-Role Mismatch: reliable source-backed evidence, unreliable rendered cues, and unsupported regions are entangled in a single conditioning signal, causing preservation drift, ghosting, and unstable extrapolation. We propose PREX (Preserve, Reveal, Expand), a region-aware framework that decomposes the target spatiotemporal volume into Preserve, Reveal, and Expand roles accord"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.20961","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-20T09:47:02Z","cross_cats_sorted":[],"title_canon_sha256":"e4b2fe8cc0216cdd9d1b6ccfd6be9404a1c4001f894e1333e8527cb81e72c5af","abstract_canon_sha256":"957cfa0f6dfe4b360edb6b7c97980c87c0b7db53d7be7687f31e4304e2c2d461"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:30.002494Z","signature_b64":"PlkesUAVWoYG6r0EnKlMpR7fHkE1c9V/goA4aR43jF8Lg/7viWM14jFCdDsEgAALWcw3iZacjmWUnPaXGU5fAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecab902311e7604ffd4dec93c58e2e99eefa765796bf5c69784f8a1cf642bf10","last_reissued_at":"2026-05-21T01:05:30.001978Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:30.001978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Preserve, Reveal, Expand: Faithful 4D Video Editing with Region-Aware Conditioning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chunfeng Wang, Hao Li, Jiahui Yuan, Kun Zhan, Wenzhang Sun, Xiangchen Yin, Xiaoyan Sun, Zhangchi Hu","submitted_at":"2026-05-20T09:47:02Z","abstract_excerpt":"Existing 4D-driven video diffusion models primarily target plausible generation, but faithful 4D editing requires preserving source-observed regions while synthesizing disoccluded or out-of-view content. We identify Evidence-Role Mismatch: reliable source-backed evidence, unreliable rendered cues, and unsupported regions are entangled in a single conditioning signal, causing preservation drift, ghosting, and unstable extrapolation. We propose PREX (Preserve, Reveal, Expand), a region-aware framework that decomposes the target spatiotemporal volume into Preserve, Reveal, and Expand roles accord"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20961","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/2605.20961/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.20961","created_at":"2026-05-21T01:05:30.002060+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.20961v1","created_at":"2026-05-21T01:05:30.002060+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20961","created_at":"2026-05-21T01:05:30.002060+00:00"},{"alias_kind":"pith_short_12","alias_value":"5SVZAIYR45QE","created_at":"2026-05-21T01:05:30.002060+00:00"},{"alias_kind":"pith_short_16","alias_value":"5SVZAIYR45QE77KN","created_at":"2026-05-21T01:05:30.002060+00:00"},{"alias_kind":"pith_short_8","alias_value":"5SVZAIYR","created_at":"2026-05-21T01:05:30.002060+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH","json":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH.json","graph_json":"https://pith.science/api/pith-number/5SVZAIYR45QE77KN5SJ4LDROTH/graph.json","events_json":"https://pith.science/api/pith-number/5SVZAIYR45QE77KN5SJ4LDROTH/events.json","paper":"https://pith.science/paper/5SVZAIYR"},"agent_actions":{"view_html":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH","download_json":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH.json","view_paper":"https://pith.science/paper/5SVZAIYR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.20961&json=true","fetch_graph":"https://pith.science/api/pith-number/5SVZAIYR45QE77KN5SJ4LDROTH/graph.json","fetch_events":"https://pith.science/api/pith-number/5SVZAIYR45QE77KN5SJ4LDROTH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH/action/storage_attestation","attest_author":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH/action/author_attestation","sign_citation":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH/action/citation_signature","submit_replication":"https://pith.science/pith/5SVZAIYR45QE77KN5SJ4LDROTH/action/replication_record"}},"created_at":"2026-05-21T01:05:30.002060+00:00","updated_at":"2026-05-21T01:05:30.002060+00:00"}