{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:W5QE24VQ4JHEDXMW7XQNUG7UNF","short_pith_number":"pith:W5QE24VQ","schema_version":"1.0","canonical_sha256":"b7604d72b0e24e41dd96fde0da1bf46951a7fc3ecfdc61579c6dd7f820419bca","source":{"kind":"arxiv","id":"2606.06361","version":1},"attestation_state":"computed","paper":{"title":"Physics in 2-Steps: Locking Motion Priors Before Visual Refinement Erases Them","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fu-En Yang, Min-Hung Chen, Seil Kang, Seong Jae Hwang, Woojung Han, Youngjun Jun","submitted_at":"2026-06-04T16:30:39Z","abstract_excerpt":"Image-to-Video diffusion models leverage input images to generate visually stunning content, yet frequently produce motion that violates physical laws. We reveal a surprising finding: a 2-step generation often exhibits better physical consistency than a 50-step output from the same model. Through spectral analysis, we trace this to phase erosion during denoising; the phase degrades significantly (dropping by $\\approx 18\\%$ from step 2 to step 50), whereas the magnitude remains relatively stable. Building on this insight, we propose PhaseLock, a training-free framework that preserves the valid "},"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":"2606.06361","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-04T16:30:39Z","cross_cats_sorted":[],"title_canon_sha256":"460622376677a288c523fa589ba1b36ce7ce8975da521abe5a3d415c9833277a","abstract_canon_sha256":"5edc65446e0264de7c103ab509cca300c3a955c64594d987d054191952c6f5bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-05T01:15:42.806828Z","signature_b64":"wWQm/Dx180ajmyabv/bUGuMQPY1o05daMCaTGBFZvnIvfq0wu22cYO5LiNVurkzX35tMTq733o90S+Y0ZsrWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7604d72b0e24e41dd96fde0da1bf46951a7fc3ecfdc61579c6dd7f820419bca","last_reissued_at":"2026-06-05T01:15:42.806398Z","signature_status":"signed_v1","first_computed_at":"2026-06-05T01:15:42.806398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Physics in 2-Steps: Locking Motion Priors Before Visual Refinement Erases Them","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fu-En Yang, Min-Hung Chen, Seil Kang, Seong Jae Hwang, Woojung Han, Youngjun Jun","submitted_at":"2026-06-04T16:30:39Z","abstract_excerpt":"Image-to-Video diffusion models leverage input images to generate visually stunning content, yet frequently produce motion that violates physical laws. We reveal a surprising finding: a 2-step generation often exhibits better physical consistency than a 50-step output from the same model. Through spectral analysis, we trace this to phase erosion during denoising; the phase degrades significantly (dropping by $\\approx 18\\%$ from step 2 to step 50), whereas the magnitude remains relatively stable. Building on this insight, we propose PhaseLock, a training-free framework that preserves the valid "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.06361","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/2606.06361/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":"2606.06361","created_at":"2026-06-05T01:15:42.806461+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.06361v1","created_at":"2026-06-05T01:15:42.806461+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.06361","created_at":"2026-06-05T01:15:42.806461+00:00"},{"alias_kind":"pith_short_12","alias_value":"W5QE24VQ4JHE","created_at":"2026-06-05T01:15:42.806461+00:00"},{"alias_kind":"pith_short_16","alias_value":"W5QE24VQ4JHEDXMW","created_at":"2026-06-05T01:15:42.806461+00:00"},{"alias_kind":"pith_short_8","alias_value":"W5QE24VQ","created_at":"2026-06-05T01:15:42.806461+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/W5QE24VQ4JHEDXMW7XQNUG7UNF","json":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF.json","graph_json":"https://pith.science/api/pith-number/W5QE24VQ4JHEDXMW7XQNUG7UNF/graph.json","events_json":"https://pith.science/api/pith-number/W5QE24VQ4JHEDXMW7XQNUG7UNF/events.json","paper":"https://pith.science/paper/W5QE24VQ"},"agent_actions":{"view_html":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF","download_json":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF.json","view_paper":"https://pith.science/paper/W5QE24VQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.06361&json=true","fetch_graph":"https://pith.science/api/pith-number/W5QE24VQ4JHEDXMW7XQNUG7UNF/graph.json","fetch_events":"https://pith.science/api/pith-number/W5QE24VQ4JHEDXMW7XQNUG7UNF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF/action/storage_attestation","attest_author":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF/action/author_attestation","sign_citation":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF/action/citation_signature","submit_replication":"https://pith.science/pith/W5QE24VQ4JHEDXMW7XQNUG7UNF/action/replication_record"}},"created_at":"2026-06-05T01:15:42.806461+00:00","updated_at":"2026-06-05T01:15:42.806461+00:00"}