{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KBRODWMTZYM3G7YRTB4R5GS7TF","short_pith_number":"pith:KBRODWMT","canonical_record":{"source":{"id":"2504.11326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-15T16:02:47Z","cross_cats_sorted":[],"title_canon_sha256":"b974ff844bb1e9d18b3e4fef9ae86f7213423308aaa405f9c538f02ba987ae35","abstract_canon_sha256":"cf8021b5f7042e59764e57b8c82bd97338cb4b1bef72f6306cf4ea5672016baf"},"schema_version":"1.0"},"canonical_sha256":"5062e1d993ce19b37f1198791e9a5f995824133b104fdc354cf34651594f4d3b","source":{"kind":"arxiv","id":"2504.11326","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.11326","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"arxiv_version","alias_value":"2504.11326v2","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.11326","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"pith_short_12","alias_value":"KBRODWMTZYM3","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"pith_short_16","alias_value":"KBRODWMTZYM3G7YR","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"pith_short_8","alias_value":"KBRODWMT","created_at":"2026-07-05T10:51:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KBRODWMTZYM3G7YRTB4R5GS7TF","target":"record","payload":{"canonical_record":{"source":{"id":"2504.11326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-15T16:02:47Z","cross_cats_sorted":[],"title_canon_sha256":"b974ff844bb1e9d18b3e4fef9ae86f7213423308aaa405f9c538f02ba987ae35","abstract_canon_sha256":"cf8021b5f7042e59764e57b8c82bd97338cb4b1bef72f6306cf4ea5672016baf"},"schema_version":"1.0"},"canonical_sha256":"5062e1d993ce19b37f1198791e9a5f995824133b104fdc354cf34651594f4d3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:51:37.370729Z","signature_b64":"uFQQALscc7aDD6kck6HcQxxiq9Sye5ux9+z8df0NWF0Ql1rmYYJdwwZeOjYtQZfRq35JCbiOA2ZRAPKN5Gp7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5062e1d993ce19b37f1198791e9a5f995824133b104fdc354cf34651594f4d3b","last_reissued_at":"2026-07-05T10:51:37.370180Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:51:37.370180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.11326","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":"2026-07-05T10:51:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UUPlLKC5qjNmN6OiA3EDJ+WHlWnV6G7SNvI6LqNDN5nzyx8U/28gGBodjS8WQlod6Y9hjYbQlQ2TxrpCg6yQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:28:14.737303Z"},"content_sha256":"a4bf0d5dc4e361ed3c140ed989627f6932ac88f932ccc1f88d7e49741e0fa5c6","schema_version":"1.0","event_id":"sha256:a4bf0d5dc4e361ed3c140ed989627f6932ac88f932ccc1f88d7e49741e0fa5c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KBRODWMTZYM3G7YRTB4R5GS7TF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PVUW 2025 Challenge Report: Advances in Pixel-level Understanding of Complex Videos in the Wild","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chang Liu, Fang Liu, Haichao Jiang, Haobo Yuan, Hao Fang, Henghui Ding, Jian-Fang Hu, Jiaxuan Zhao, Junpei Zhang, Kehuan Song, Kexin Zhang, Licheng Jiao, Lingling Li, Linnan Zhao, Lu Qi, Mengjiao Wang, Mengru Ma, Ming-Hsuan Yang, Nikhila Ravi, Philip Torr, Runmin Cong, Shuting He, Shuyuan Yang, Song Bai, Tao Zhang, Tianming Liang, Wei-Shi Zheng, Wei Zhang, Xiangtai Li, Xiankai Lu, Xinglin Xie, Xu Liu, Xuqiang Cao, Yunchao Wei, Yuting Yang, Zhiyang Chen","submitted_at":"2025-04-15T16:02:47Z","abstract_excerpt":"This report provides a comprehensive overview of the 4th Pixel-level Video Understanding in the Wild (PVUW) Challenge, held in conjunction with CVPR 2025. It summarizes the challenge outcomes, participating methodologies, and future research directions. The challenge features two tracks: MOSE, which focuses on complex scene video object segmentation, and MeViS, which targets motion-guided, language-based video segmentation. Both tracks introduce new, more challenging datasets designed to better reflect real-world scenarios. Through detailed evaluation and analysis, the challenge offers valuabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.11326","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/2504.11326/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":"2026-07-05T10:51:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wHPuO6iZ2CrdgD2nkG+ZS3kJZs5NatoPtFxmiBlglZxgeHuS9R0wwKsUH9qFHNOhWpttgBLMmw8LG6prJ924Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:28:14.737711Z"},"content_sha256":"2851b4ff6f07e3b803b24ef17cb74a6cf88db1501b3ec7383ddd58aa50e6ca9a","schema_version":"1.0","event_id":"sha256:2851b4ff6f07e3b803b24ef17cb74a6cf88db1501b3ec7383ddd58aa50e6ca9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBRODWMTZYM3G7YRTB4R5GS7TF/bundle.json","state_url":"https://pith.science/pith/KBRODWMTZYM3G7YRTB4R5GS7TF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBRODWMTZYM3G7YRTB4R5GS7TF/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":"2026-07-07T09:28:14Z","links":{"resolver":"https://pith.science/pith/KBRODWMTZYM3G7YRTB4R5GS7TF","bundle":"https://pith.science/pith/KBRODWMTZYM3G7YRTB4R5GS7TF/bundle.json","state":"https://pith.science/pith/KBRODWMTZYM3G7YRTB4R5GS7TF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBRODWMTZYM3G7YRTB4R5GS7TF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KBRODWMTZYM3G7YRTB4R5GS7TF","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":"cf8021b5f7042e59764e57b8c82bd97338cb4b1bef72f6306cf4ea5672016baf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-15T16:02:47Z","title_canon_sha256":"b974ff844bb1e9d18b3e4fef9ae86f7213423308aaa405f9c538f02ba987ae35"},"schema_version":"1.0","source":{"id":"2504.11326","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.11326","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"arxiv_version","alias_value":"2504.11326v2","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.11326","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"pith_short_12","alias_value":"KBRODWMTZYM3","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"pith_short_16","alias_value":"KBRODWMTZYM3G7YR","created_at":"2026-07-05T10:51:37Z"},{"alias_kind":"pith_short_8","alias_value":"KBRODWMT","created_at":"2026-07-05T10:51:37Z"}],"graph_snapshots":[{"event_id":"sha256:2851b4ff6f07e3b803b24ef17cb74a6cf88db1501b3ec7383ddd58aa50e6ca9a","target":"graph","created_at":"2026-07-05T10:51:37Z","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/2504.11326/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This report provides a comprehensive overview of the 4th Pixel-level Video Understanding in the Wild (PVUW) Challenge, held in conjunction with CVPR 2025. It summarizes the challenge outcomes, participating methodologies, and future research directions. The challenge features two tracks: MOSE, which focuses on complex scene video object segmentation, and MeViS, which targets motion-guided, language-based video segmentation. Both tracks introduce new, more challenging datasets designed to better reflect real-world scenarios. Through detailed evaluation and analysis, the challenge offers valuabl","authors_text":"Chang Liu, Fang Liu, Haichao Jiang, Haobo Yuan, Hao Fang, Henghui Ding, Jian-Fang Hu, Jiaxuan Zhao, Junpei Zhang, Kehuan Song, Kexin Zhang, Licheng Jiao, Lingling Li, Linnan Zhao, Lu Qi, Mengjiao Wang, Mengru Ma, Ming-Hsuan Yang, Nikhila Ravi, Philip Torr, Runmin Cong, Shuting He, Shuyuan Yang, Song Bai, Tao Zhang, Tianming Liang, Wei-Shi Zheng, Wei Zhang, Xiangtai Li, Xiankai Lu, Xinglin Xie, Xu Liu, Xuqiang Cao, Yunchao Wei, Yuting Yang, Zhiyang Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-15T16:02:47Z","title":"PVUW 2025 Challenge Report: Advances in Pixel-level Understanding of Complex Videos in the Wild"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.11326","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:a4bf0d5dc4e361ed3c140ed989627f6932ac88f932ccc1f88d7e49741e0fa5c6","target":"record","created_at":"2026-07-05T10:51:37Z","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":"cf8021b5f7042e59764e57b8c82bd97338cb4b1bef72f6306cf4ea5672016baf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-15T16:02:47Z","title_canon_sha256":"b974ff844bb1e9d18b3e4fef9ae86f7213423308aaa405f9c538f02ba987ae35"},"schema_version":"1.0","source":{"id":"2504.11326","kind":"arxiv","version":2}},"canonical_sha256":"5062e1d993ce19b37f1198791e9a5f995824133b104fdc354cf34651594f4d3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5062e1d993ce19b37f1198791e9a5f995824133b104fdc354cf34651594f4d3b","first_computed_at":"2026-07-05T10:51:37.370180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:51:37.370180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uFQQALscc7aDD6kck6HcQxxiq9Sye5ux9+z8df0NWF0Ql1rmYYJdwwZeOjYtQZfRq35JCbiOA2ZRAPKN5Gp7DA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:51:37.370729Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.11326","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4bf0d5dc4e361ed3c140ed989627f6932ac88f932ccc1f88d7e49741e0fa5c6","sha256:2851b4ff6f07e3b803b24ef17cb74a6cf88db1501b3ec7383ddd58aa50e6ca9a"],"state_sha256":"3c0ed9fc10143e0a8d4ee43df196d7d10019601791b4456f3f17eddf44c58cea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SzxgwOa9NSsgkAaRTngYx07fclHQydH0hTCluTwiNwrOqhwRCFjAsZwk7SA2+mKnVsjc5ELi6JXfpCcEJMMoDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:28:14.739637Z","bundle_sha256":"fd764a791e88abd8c97b1c51b694ea95719f2fc3a9b3ec2f012cf45a7c1b46b0"}}