{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:GJZPECPZIPEY2YKIZKRYKJTJHY","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":"eb864958e992fc8e9ed50fba397f5c1c05c2ede22e105ef526369438ad427529","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2014-01-02T04:44:20Z","title_canon_sha256":"58f944795d1464facf016d73a01dd6c5c53a5149060f5584250d35c4023fbb06"},"schema_version":"1.0","source":{"id":"1401.0366","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0366","created_at":"2026-05-18T03:00:14Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0366v2","created_at":"2026-05-18T03:00:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0366","created_at":"2026-05-18T03:00:14Z"},{"alias_kind":"pith_short_12","alias_value":"GJZPECPZIPEY","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GJZPECPZIPEY2YKI","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GJZPECPZ","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:ce63412b15d4e262684c7c6e5e41c9d7f9869b9a9599b5237521f8e602b7d446","target":"graph","created_at":"2026-05-18T03:00:14Z","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":"Crowd simulation is rapidly becoming a standard tool for evacuation planning and evaluation. However, the many crowd models in the literature are structurally different, and few have been rigorously calibrated against real-world egress data, especially in emergency situations. In this paper we describe a procedure to quantitatively compare different crowd models or between models and real-world data. We simulated three models: (1) the lattice gas model, (2) the social force model, and (3) the RVO2 model, and obtained the distributions of six observables: (1) evacuation time, (2) zoned evacuati","authors_text":"Chong Eu Lee, Michael Harold Lees, Peter M. A. Sloot, Siew Ann Cheong, Vaisagh Viswanathan","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2014-01-02T04:44:20Z","title":"Quantitative Comparison Between Crowd Models for Evacuation Planning and Evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0366","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":"sha256:7c20c894f8766359a109b6f363696b09541efdfa151a362cd24bec00778520fa","target":"record","created_at":"2026-05-18T03:00:14Z","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":"eb864958e992fc8e9ed50fba397f5c1c05c2ede22e105ef526369438ad427529","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2014-01-02T04:44:20Z","title_canon_sha256":"58f944795d1464facf016d73a01dd6c5c53a5149060f5584250d35c4023fbb06"},"schema_version":"1.0","source":{"id":"1401.0366","kind":"arxiv","version":2}},"canonical_sha256":"3272f209f943c98d6148caa38526693e103563170e9c61497e4aa53df9964558","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3272f209f943c98d6148caa38526693e103563170e9c61497e4aa53df9964558","first_computed_at":"2026-05-18T03:00:14.361996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:14.361996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TqkhnZYzyR6of/o7pftl8mEgAd2agZziT5aovynN7uaG+w+QAHTaWDNiQRSto2cbeFpnS6jEkJL8g2wfan6HDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:14.362571Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.0366","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c20c894f8766359a109b6f363696b09541efdfa151a362cd24bec00778520fa","sha256:ce63412b15d4e262684c7c6e5e41c9d7f9869b9a9599b5237521f8e602b7d446"],"state_sha256":"ed984a56a841ab7175437996ce86ed9a6a9702d0ed9b9053d75d4d5a2da9b4cc"}