{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:3NJ6AFFGSBFTHV2WQ3QBYZWG3S","short_pith_number":"pith:3NJ6AFFG","canonical_record":{"source":{"id":"2608.04587","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-08-05T08:50:23Z","cross_cats_sorted":[],"title_canon_sha256":"27a2883b05ed4d9b01db46c1e3d12464a043466df36a11d02037b6229ca8e1b6","abstract_canon_sha256":"9b5692ad66f6d786a9989b293e7165b0e48f956afc73b40963b2d8156568b77e"},"schema_version":"1.0"},"canonical_sha256":"db53e014a6904b33d75686e01c66c6dc95d69f1cbd7c62c919c709520653004a","source":{"kind":"arxiv","id":"2608.04587","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04587","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04587v1","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04587","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"pith_short_12","alias_value":"3NJ6AFFGSBFT","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"pith_short_16","alias_value":"3NJ6AFFGSBFTHV2W","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"pith_short_8","alias_value":"3NJ6AFFG","created_at":"2026-08-06T01:36:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:3NJ6AFFGSBFTHV2WQ3QBYZWG3S","target":"record","payload":{"canonical_record":{"source":{"id":"2608.04587","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-08-05T08:50:23Z","cross_cats_sorted":[],"title_canon_sha256":"27a2883b05ed4d9b01db46c1e3d12464a043466df36a11d02037b6229ca8e1b6","abstract_canon_sha256":"9b5692ad66f6d786a9989b293e7165b0e48f956afc73b40963b2d8156568b77e"},"schema_version":"1.0"},"canonical_sha256":"db53e014a6904b33d75686e01c66c6dc95d69f1cbd7c62c919c709520653004a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:36:12.987338Z","signature_b64":"yuWblFrNGhTPu77Fd54Q5yWmu4QUoAtFP95iiuDtSeJ3qMkX/UL32ZkVw91tgUR2iRfykE+s4kYLD3zsLPD2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db53e014a6904b33d75686e01c66c6dc95d69f1cbd7c62c919c709520653004a","last_reissued_at":"2026-08-06T01:36:12.985854Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:36:12.985854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.04587","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":"2026-08-06T01:36:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nqfi29x1xQ3QyFhyfWjVr/+Qzmxsg9CLVZIhCP+rwlIywUS544hPzDXweeB6EBHoAoseYQbI+KfPctxc0LzrAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T12:06:03.786326Z"},"content_sha256":"49e1a0e1b57dc2417c30a87c1c52492f910b74216f6a304d4cc321e6b8cd40e9","schema_version":"1.0","event_id":"sha256:49e1a0e1b57dc2417c30a87c1c52492f910b74216f6a304d4cc321e6b8cd40e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:3NJ6AFFGSBFTHV2WQ3QBYZWG3S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MetaVideoAgent: Automated Video-Agent Evolution for Long-Form Video Understanding","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Benlei Cui, Haiwen Hong, Jingqun Tang, Jinhao Chen, Junjie Li, Longtao Huang, Pengfei Sun, Ruijian Jia, Ruize Wang, WeiWei Wu, Yinghao Chen, Yuwen Zhai","submitted_at":"2026-08-05T08:50:23Z","abstract_excerpt":"Long-form video understanding requires locating sparse, question-relevant evidence in long, multimodal videos. Real-world video distributions differ in modality-specific information density, content structure, and evidence patterns, causing fixed video-agent designs to incur redundant processing or fail when mismatched. Extending automated agent evolution from text to video is challenging because full long-video execution makes candidate validation expensive, failures propagate across coupled evidence-processing stages, and complex preprocessing, perception tools, and localization strategies m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04587","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/2608.04587/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":"2026-08-06T01:36:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BviHsS8P2meItQ7Xpc6WEpmrVq7fLaYCwLKEFF5qmGOHkZzouvRYSDnnSxASGdeL8eZFEy22WqP99JFPNw5ECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T12:06:03.786870Z"},"content_sha256":"b49da1848c589b03bea241eeb4217f69a41103c33b605a79006a8eed748c2404","schema_version":"1.0","event_id":"sha256:b49da1848c589b03bea241eeb4217f69a41103c33b605a79006a8eed748c2404"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S/bundle.json","state_url":"https://pith.science/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S/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":"2026-08-23T12:06:03Z","links":{"resolver":"https://pith.science/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S","bundle":"https://pith.science/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S/bundle.json","state":"https://pith.science/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3NJ6AFFGSBFTHV2WQ3QBYZWG3S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3NJ6AFFGSBFTHV2WQ3QBYZWG3S","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":"9b5692ad66f6d786a9989b293e7165b0e48f956afc73b40963b2d8156568b77e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-08-05T08:50:23Z","title_canon_sha256":"27a2883b05ed4d9b01db46c1e3d12464a043466df36a11d02037b6229ca8e1b6"},"schema_version":"1.0","source":{"id":"2608.04587","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04587","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04587v1","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04587","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"pith_short_12","alias_value":"3NJ6AFFGSBFT","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"pith_short_16","alias_value":"3NJ6AFFGSBFTHV2W","created_at":"2026-08-06T01:36:12Z"},{"alias_kind":"pith_short_8","alias_value":"3NJ6AFFG","created_at":"2026-08-06T01:36:12Z"}],"graph_snapshots":[{"event_id":"sha256:b49da1848c589b03bea241eeb4217f69a41103c33b605a79006a8eed748c2404","target":"graph","created_at":"2026-08-06T01:36:12Z","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/2608.04587/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Long-form video understanding requires locating sparse, question-relevant evidence in long, multimodal videos. Real-world video distributions differ in modality-specific information density, content structure, and evidence patterns, causing fixed video-agent designs to incur redundant processing or fail when mismatched. Extending automated agent evolution from text to video is challenging because full long-video execution makes candidate validation expensive, failures propagate across coupled evidence-processing stages, and complex preprocessing, perception tools, and localization strategies m","authors_text":"Benlei Cui, Haiwen Hong, Jingqun Tang, Jinhao Chen, Junjie Li, Longtao Huang, Pengfei Sun, Ruijian Jia, Ruize Wang, WeiWei Wu, Yinghao Chen, Yuwen Zhai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-08-05T08:50:23Z","title":"MetaVideoAgent: Automated Video-Agent Evolution for Long-Form Video Understanding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04587","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":"sha256:49e1a0e1b57dc2417c30a87c1c52492f910b74216f6a304d4cc321e6b8cd40e9","target":"record","created_at":"2026-08-06T01:36:12Z","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":"9b5692ad66f6d786a9989b293e7165b0e48f956afc73b40963b2d8156568b77e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-08-05T08:50:23Z","title_canon_sha256":"27a2883b05ed4d9b01db46c1e3d12464a043466df36a11d02037b6229ca8e1b6"},"schema_version":"1.0","source":{"id":"2608.04587","kind":"arxiv","version":1}},"canonical_sha256":"db53e014a6904b33d75686e01c66c6dc95d69f1cbd7c62c919c709520653004a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db53e014a6904b33d75686e01c66c6dc95d69f1cbd7c62c919c709520653004a","first_computed_at":"2026-08-06T01:36:12.985854Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-06T01:36:12.985854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yuWblFrNGhTPu77Fd54Q5yWmu4QUoAtFP95iiuDtSeJ3qMkX/UL32ZkVw91tgUR2iRfykE+s4kYLD3zsLPD2DA==","signature_status":"signed_v1","signed_at":"2026-08-06T01:36:12.987338Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.04587","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49e1a0e1b57dc2417c30a87c1c52492f910b74216f6a304d4cc321e6b8cd40e9","sha256:b49da1848c589b03bea241eeb4217f69a41103c33b605a79006a8eed748c2404"],"state_sha256":"6f00564ef6ab786d03b69ff63bf09711ea2963be24a011709b45c0e4bfa41407"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fi/QdGJJXhRTnMdWEX/dCTm1kI3Hf2KfwGMMGdSk5h9sl+uQsLCQdQBZwWlOYuyHyYsQN8rvnwk2y09qqG3rBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T12:06:03.790457Z","bundle_sha256":"c71748f59cb696b4fd55c3c94143b399fcc2ebce574386963e6336e531d6e537"}}