{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6QGR4UNH46SL5DYRCSFXQEWHJB","short_pith_number":"pith:6QGR4UNH","canonical_record":{"source":{"id":"2507.20939","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T15:52:36Z","cross_cats_sorted":[],"title_canon_sha256":"3e8d1d8a4afb082ad98e56356031df6ae1d6abba920e4465ca1cd58da67ac1d6","abstract_canon_sha256":"c542f8ba051cfde34a0d66dcd4db1af5aa44c93961ddda8d0161b552fe674d40"},"schema_version":"1.0"},"canonical_sha256":"f40d1e51a7e7a4be8f11148b7812c7486190dcc9af7b126d58bca0b95026086d","source":{"kind":"arxiv","id":"2507.20939","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20939","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20939v1","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20939","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_12","alias_value":"6QGR4UNH46SL","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_16","alias_value":"6QGR4UNH46SL5DYR","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_8","alias_value":"6QGR4UNH","created_at":"2026-07-05T11:44:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6QGR4UNH46SL5DYRCSFXQEWHJB","target":"record","payload":{"canonical_record":{"source":{"id":"2507.20939","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T15:52:36Z","cross_cats_sorted":[],"title_canon_sha256":"3e8d1d8a4afb082ad98e56356031df6ae1d6abba920e4465ca1cd58da67ac1d6","abstract_canon_sha256":"c542f8ba051cfde34a0d66dcd4db1af5aa44c93961ddda8d0161b552fe674d40"},"schema_version":"1.0"},"canonical_sha256":"f40d1e51a7e7a4be8f11148b7812c7486190dcc9af7b126d58bca0b95026086d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:44:28.605108Z","signature_b64":"u4RTDoRoXHFhXqZ80BfXfymz/4oZB+bq/l8CnvP4ADhSDnCYNOfQoYpKkZ826V1jArj7XoRHjbcKtUnDvS8kCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f40d1e51a7e7a4be8f11148b7812c7486190dcc9af7b126d58bca0b95026086d","last_reissued_at":"2026-07-05T11:44:28.604634Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:44:28.604634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.20939","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":"2026-07-05T11:44:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U/tShjnXiHSv3r1/QwlObWD3L6/f1SHpjJgV2SroLhEl/AkddfNTrIA4zPFwY2KXREV8JB+7yNtz9oGiSTqOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:24:25.493404Z"},"content_sha256":"a1b65540bb5346124dda2a3320a6afca2d8c78fafbfb43c147a8b6485b8a3c88","schema_version":"1.0","event_id":"sha256:a1b65540bb5346124dda2a3320a6afca2d8c78fafbfb43c147a8b6485b8a3c88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6QGR4UNH46SL5DYRCSFXQEWHJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ARC-Hunyuan-Video-7B: Structured Video Comprehension of Real-World Shorts","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chen Li, Di Wang, Han Hu, Jin Ma, Jinwen Luo, Junfu Pu, Lisheng Duan, Lu Qiu, Teng Wang, Weibo Gu, Xiaojing Zhang, Xinyu Zuo, Yangyu Tao, Ying Shan, Yixiao Ge, Yizhuo Li, Yuying Ge, Zexuan Li","submitted_at":"2025-07-28T15:52:36Z","abstract_excerpt":"Real-world user-generated short videos, especially those distributed on platforms such as WeChat Channel and TikTok, dominate the mobile internet. However, current large multimodal models lack essential temporally-structured, detailed, and in-depth video comprehension capabilities, which are the cornerstone of effective video search and recommendation, as well as emerging video applications. Understanding real-world shorts is actually challenging due to their complex visual elements, high information density in both visuals and audio, and fast pacing that focuses on emotional expression and vi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20939","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/2507.20939/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":"2026-07-05T11:44:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3qeP6xfl23EiCA0i4S+8kBAZH+R8vi0F6m4Ns1avaWsoeRlgxh+u8q5hxFJpcxlTjgDRt4Z3vcke7u7NloFkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:24:25.493902Z"},"content_sha256":"9e6900304849569f42397e39807a9a3c2e51d04ed96695ee186b0de723fcc6bc","schema_version":"1.0","event_id":"sha256:9e6900304849569f42397e39807a9a3c2e51d04ed96695ee186b0de723fcc6bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6QGR4UNH46SL5DYRCSFXQEWHJB/bundle.json","state_url":"https://pith.science/pith/6QGR4UNH46SL5DYRCSFXQEWHJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6QGR4UNH46SL5DYRCSFXQEWHJB/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":"2026-08-06T20:24:25Z","links":{"resolver":"https://pith.science/pith/6QGR4UNH46SL5DYRCSFXQEWHJB","bundle":"https://pith.science/pith/6QGR4UNH46SL5DYRCSFXQEWHJB/bundle.json","state":"https://pith.science/pith/6QGR4UNH46SL5DYRCSFXQEWHJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6QGR4UNH46SL5DYRCSFXQEWHJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6QGR4UNH46SL5DYRCSFXQEWHJB","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":"c542f8ba051cfde34a0d66dcd4db1af5aa44c93961ddda8d0161b552fe674d40","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T15:52:36Z","title_canon_sha256":"3e8d1d8a4afb082ad98e56356031df6ae1d6abba920e4465ca1cd58da67ac1d6"},"schema_version":"1.0","source":{"id":"2507.20939","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20939","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20939v1","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20939","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_12","alias_value":"6QGR4UNH46SL","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_16","alias_value":"6QGR4UNH46SL5DYR","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_8","alias_value":"6QGR4UNH","created_at":"2026-07-05T11:44:28Z"}],"graph_snapshots":[{"event_id":"sha256:9e6900304849569f42397e39807a9a3c2e51d04ed96695ee186b0de723fcc6bc","target":"graph","created_at":"2026-07-05T11:44:28Z","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/2507.20939/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Real-world user-generated short videos, especially those distributed on platforms such as WeChat Channel and TikTok, dominate the mobile internet. However, current large multimodal models lack essential temporally-structured, detailed, and in-depth video comprehension capabilities, which are the cornerstone of effective video search and recommendation, as well as emerging video applications. Understanding real-world shorts is actually challenging due to their complex visual elements, high information density in both visuals and audio, and fast pacing that focuses on emotional expression and vi","authors_text":"Chen Li, Di Wang, Han Hu, Jin Ma, Jinwen Luo, Junfu Pu, Lisheng Duan, Lu Qiu, Teng Wang, Weibo Gu, Xiaojing Zhang, Xinyu Zuo, Yangyu Tao, Ying Shan, Yixiao Ge, Yizhuo Li, Yuying Ge, Zexuan Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T15:52:36Z","title":"ARC-Hunyuan-Video-7B: Structured Video Comprehension of Real-World Shorts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20939","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:a1b65540bb5346124dda2a3320a6afca2d8c78fafbfb43c147a8b6485b8a3c88","target":"record","created_at":"2026-07-05T11:44:28Z","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":"c542f8ba051cfde34a0d66dcd4db1af5aa44c93961ddda8d0161b552fe674d40","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-07-28T15:52:36Z","title_canon_sha256":"3e8d1d8a4afb082ad98e56356031df6ae1d6abba920e4465ca1cd58da67ac1d6"},"schema_version":"1.0","source":{"id":"2507.20939","kind":"arxiv","version":1}},"canonical_sha256":"f40d1e51a7e7a4be8f11148b7812c7486190dcc9af7b126d58bca0b95026086d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f40d1e51a7e7a4be8f11148b7812c7486190dcc9af7b126d58bca0b95026086d","first_computed_at":"2026-07-05T11:44:28.604634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:44:28.604634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u4RTDoRoXHFhXqZ80BfXfymz/4oZB+bq/l8CnvP4ADhSDnCYNOfQoYpKkZ826V1jArj7XoRHjbcKtUnDvS8kCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:44:28.605108Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.20939","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1b65540bb5346124dda2a3320a6afca2d8c78fafbfb43c147a8b6485b8a3c88","sha256:9e6900304849569f42397e39807a9a3c2e51d04ed96695ee186b0de723fcc6bc"],"state_sha256":"256b3e5f014159bf6eacc1a948599bc4df33f4b42f2d6611fb79718a56259124"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3QVNcSLXztQmqVzNeS6UMXxlhuHh4z9Efpo9ayV3Pf1vKPhNf9xBBtYM2VOX21/t9jjsCcDZrp7uu789IKVDBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T20:24:25.498546Z","bundle_sha256":"40ca579f3a14e3f77134b776a0874ba5aff899420e99f0578d64ad4972d94616"}}