{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:WYKGCXETN2YQTMNRKGBK2LPI3I","short_pith_number":"pith:WYKGCXET","schema_version":"1.0","canonical_sha256":"b614615c936eb109b1b15182ad2de8da086343bc67e737b24660ae241b115638","source":{"kind":"arxiv","id":"2608.09449","version":1},"attestation_state":"computed","paper":{"title":"Sekai2: From World Exploration to Interactive World Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jiaming Tan, Kaipeng Zhang, Kang He, Wenshuo Peng, Yongtao Ge, Zihui Gao","submitted_at":"2026-08-10T11:23:01Z","abstract_excerpt":"Video world models must capture how scenes evolve over time and across viewpoints. Training them for long-horizon generation and camera control therefore benefits from long videos paired with camera trajectories and temporally grounded semantics. Existing corpora rarely offer the three together: large-scale web video provides broad visual diversity but no trajectories or time-aligned text, while pose-annotated datasets are typically short-range or reconstruction-oriented. We introduce Sekai2, a multi-source real-world video dataset that carries the world-exploration footage of Sekai toward int"},"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":"2608.09449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-10T11:23:01Z","cross_cats_sorted":[],"title_canon_sha256":"30065d7f7e7b7d07d4d1aa236c54b3ff615cd96563345d8238199a7f4f199a0e","abstract_canon_sha256":"7721a93f090a03e6b2c8205b7244889a8b6fb3130fe1c2a56424b4ef8c0ded75"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-11T02:24:15.099376Z","signature_b64":"av4RJGE8vRv64n7TqmfP02fKPqsf3Prmm30PCk4+tGVP28q1wYbQuSsKrNA0XibfnqUeFG69sVb1zk0I5sSrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b614615c936eb109b1b15182ad2de8da086343bc67e737b24660ae241b115638","last_reissued_at":"2026-08-11T02:24:15.097690Z","signature_status":"signed_v1","first_computed_at":"2026-08-11T02:24:15.097690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sekai2: From World Exploration to Interactive World Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jiaming Tan, Kaipeng Zhang, Kang He, Wenshuo Peng, Yongtao Ge, Zihui Gao","submitted_at":"2026-08-10T11:23:01Z","abstract_excerpt":"Video world models must capture how scenes evolve over time and across viewpoints. Training them for long-horizon generation and camera control therefore benefits from long videos paired with camera trajectories and temporally grounded semantics. Existing corpora rarely offer the three together: large-scale web video provides broad visual diversity but no trajectories or time-aligned text, while pose-annotated datasets are typically short-range or reconstruction-oriented. We introduce Sekai2, a multi-source real-world video dataset that carries the world-exploration footage of Sekai toward int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09449","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/2608.09449/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":"2608.09449","created_at":"2026-08-11T02:24:15.098427+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.09449v1","created_at":"2026-08-11T02:24:15.098427+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09449","created_at":"2026-08-11T02:24:15.098427+00:00"},{"alias_kind":"pith_short_12","alias_value":"WYKGCXETN2YQ","created_at":"2026-08-11T02:24:15.098427+00:00"},{"alias_kind":"pith_short_16","alias_value":"WYKGCXETN2YQTMNR","created_at":"2026-08-11T02:24:15.098427+00:00"},{"alias_kind":"pith_short_8","alias_value":"WYKGCXET","created_at":"2026-08-11T02:24:15.098427+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/WYKGCXETN2YQTMNRKGBK2LPI3I","json":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I.json","graph_json":"https://pith.science/api/pith-number/WYKGCXETN2YQTMNRKGBK2LPI3I/graph.json","events_json":"https://pith.science/api/pith-number/WYKGCXETN2YQTMNRKGBK2LPI3I/events.json","paper":"https://pith.science/paper/WYKGCXET"},"agent_actions":{"view_html":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I","download_json":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I.json","view_paper":"https://pith.science/paper/WYKGCXET","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.09449&json=true","fetch_graph":"https://pith.science/api/pith-number/WYKGCXETN2YQTMNRKGBK2LPI3I/graph.json","fetch_events":"https://pith.science/api/pith-number/WYKGCXETN2YQTMNRKGBK2LPI3I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I/action/storage_attestation","attest_author":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I/action/author_attestation","sign_citation":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I/action/citation_signature","submit_replication":"https://pith.science/pith/WYKGCXETN2YQTMNRKGBK2LPI3I/action/replication_record"}},"created_at":"2026-08-11T02:24:15.098427+00:00","updated_at":"2026-08-11T02:24:15.098427+00:00"}