{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:A67JUWXNF7YQG6I2RJHPACD7TI","short_pith_number":"pith:A67JUWXN","schema_version":"1.0","canonical_sha256":"07be9a5aed2ff103791a8a4ef0087f9a1540e8a58adebf8cf48546fadd7548cf","source":{"kind":"arxiv","id":"cond-mat/9810306","version":1},"attestation_state":"computed","paper":{"title":"Exact solution of a cellular automaton for traffic","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"E. R. Speer (Rutgers University), M. R. Evans (University of Edinburgh), N. Rajewsky (Rutgers University)","submitted_at":"1998-10-22T20:55:10Z","abstract_excerpt":"We present an exact solution of a probabilistic cellular automaton for traffic with open boundary conditions, e.g. cars can enter and leave a part of a highway with certain probabilities. The model studied is the asymmetric exclusion process (ASEP) with {\\it simultaneous} updating of all sites. It is equivalent to a special case ($v_{\\rm max}=1$) of the Nagel-Schreckenberg model for highway traffic, which has found many applications in real-time traffic simulations. The simultaneous updating induces additional strong short range correlations compared to other updating schemes. The stationary s"},"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":"cond-mat/9810306","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"1998-10-22T20:55:10Z","cross_cats_sorted":[],"title_canon_sha256":"876711983eab570e27d66796c896f6c40d34b47207086998e5253099e3a39386","abstract_canon_sha256":"272079c62fe566f9aa730cf4a32646344620e89e336bf042d90d27a9191f0d67"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:29.731763Z","signature_b64":"mjR+Imue82TklzqCUeLFR+d85otl3OZRx8+q3sGIUDpBL90vt1njRem/xUzG9rs4P3kJAgRawBIOT3u1Iu9KDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07be9a5aed2ff103791a8a4ef0087f9a1540e8a58adebf8cf48546fadd7548cf","last_reissued_at":"2026-05-18T01:39:29.731299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:29.731299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exact solution of a cellular automaton for traffic","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"E. R. Speer (Rutgers University), M. R. Evans (University of Edinburgh), N. Rajewsky (Rutgers University)","submitted_at":"1998-10-22T20:55:10Z","abstract_excerpt":"We present an exact solution of a probabilistic cellular automaton for traffic with open boundary conditions, e.g. cars can enter and leave a part of a highway with certain probabilities. The model studied is the asymmetric exclusion process (ASEP) with {\\it simultaneous} updating of all sites. It is equivalent to a special case ($v_{\\rm max}=1$) of the Nagel-Schreckenberg model for highway traffic, which has found many applications in real-time traffic simulations. The simultaneous updating induces additional strong short range correlations compared to other updating schemes. The stationary s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9810306","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":""},"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":"cond-mat/9810306","created_at":"2026-05-18T01:39:29.731373+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9810306v1","created_at":"2026-05-18T01:39:29.731373+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9810306","created_at":"2026-05-18T01:39:29.731373+00:00"},{"alias_kind":"pith_short_12","alias_value":"A67JUWXNF7YQ","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"A67JUWXNF7YQG6I2","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"A67JUWXN","created_at":"2026-05-18T12:25:49.038998+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/A67JUWXNF7YQG6I2RJHPACD7TI","json":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI.json","graph_json":"https://pith.science/api/pith-number/A67JUWXNF7YQG6I2RJHPACD7TI/graph.json","events_json":"https://pith.science/api/pith-number/A67JUWXNF7YQG6I2RJHPACD7TI/events.json","paper":"https://pith.science/paper/A67JUWXN"},"agent_actions":{"view_html":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI","download_json":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI.json","view_paper":"https://pith.science/paper/A67JUWXN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/9810306&json=true","fetch_graph":"https://pith.science/api/pith-number/A67JUWXNF7YQG6I2RJHPACD7TI/graph.json","fetch_events":"https://pith.science/api/pith-number/A67JUWXNF7YQG6I2RJHPACD7TI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI/action/storage_attestation","attest_author":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI/action/author_attestation","sign_citation":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI/action/citation_signature","submit_replication":"https://pith.science/pith/A67JUWXNF7YQG6I2RJHPACD7TI/action/replication_record"}},"created_at":"2026-05-18T01:39:29.731373+00:00","updated_at":"2026-05-18T01:39:29.731373+00:00"}