{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7UDZUZ4QZIVEK7VCEEI5AMOOWB","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":"68f8142b53211ea4eb7d4a392e799d124b7f6a978c91c9c216dcb6d32ce582ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-11-05T02:36:58Z","title_canon_sha256":"ef97282f2ee4df26209d201fb98e0f437b86d0dcf35719272c9479232c19d581"},"schema_version":"1.0","source":{"id":"1411.1132","kind":"arxiv","version":7}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1132","created_at":"2026-05-18T01:12:58Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1132v7","created_at":"2026-05-18T01:12:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1132","created_at":"2026-05-18T01:12:58Z"},{"alias_kind":"pith_short_12","alias_value":"7UDZUZ4QZIVE","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7UDZUZ4QZIVEK7VC","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7UDZUZ4Q","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:40820884075bd90317ccd61f4764f9dc0a34a7063357f82ce5b7c08eb72136bd","target":"graph","created_at":"2026-05-18T01:12:58Z","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"},"paper":{"abstract_excerpt":"Scalable probabilistic modeling and prediction in high dimensional multivariate time-series is a challenging problem, particularly for systems with hidden sources of dependence and/or homogeneity. Examples of such problems include dynamic social networks with co-evolving nodes and edges and dynamic student learning in online courses. Here, we address these problems through the discovery of hierarchical latent groups. We introduce a family of Conditional Latent Tree Models (CLTM), in which tree-structured latent variables incorporate the unknown groups. The latent tree itself is conditioned on ","authors_text":"Animashree Anandkumar, Carter T. Butts, Forough Arabshahi, Furong Huang, Sean M. Fitshugh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-11-05T02:36:58Z","title":"Are you going to the party: depends, who else is coming? [Learning hidden group dynamics via conditional latent tree models]"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1132","kind":"arxiv","version":7},"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:bb3f7ea2ca47f0babf3fe2fea68149569d01980841fe702627036eb9f849e444","target":"record","created_at":"2026-05-18T01:12:58Z","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":"68f8142b53211ea4eb7d4a392e799d124b7f6a978c91c9c216dcb6d32ce582ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-11-05T02:36:58Z","title_canon_sha256":"ef97282f2ee4df26209d201fb98e0f437b86d0dcf35719272c9479232c19d581"},"schema_version":"1.0","source":{"id":"1411.1132","kind":"arxiv","version":7}},"canonical_sha256":"fd079a6790ca2a457ea22111d031ceb07c6b636fe856f1be17d58df823d12a5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd079a6790ca2a457ea22111d031ceb07c6b636fe856f1be17d58df823d12a5c","first_computed_at":"2026-05-18T01:12:58.704897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:58.704897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sNHauaT/xQsnBB8Ik5EOjwlunSMHr2RzSIPcIuHmZIOLeixfBKBnP8A8B/NKvb4AdHZ3Khi7nvz+MvUrlO5jBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:58.705273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.1132","source_kind":"arxiv","source_version":7}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb3f7ea2ca47f0babf3fe2fea68149569d01980841fe702627036eb9f849e444","sha256:40820884075bd90317ccd61f4764f9dc0a34a7063357f82ce5b7c08eb72136bd"],"state_sha256":"8a3827c6abcd50edb887d06494becbee101de76ac243b506b8ca959bd1e8197e"}