{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:K3354AB7VYCZID6LO2EDDD6ISI","short_pith_number":"pith:K3354AB7","canonical_record":{"source":{"id":"cond-mat/0306262","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-06-11T05:54:09Z","cross_cats_sorted":[],"title_canon_sha256":"9bbf347f7273d8ded1f2cfa2118f44805d49d037a5636d77372c450c82ebf714","abstract_canon_sha256":"b2122b68eb0934b40b8631abb806e68a2a7f4918ded2fc9b08eff5a0d3b20e54"},"schema_version":"1.0"},"canonical_sha256":"56f7de003fae05940fcb7688318fc8922c00a2c14036c6c840ffde3f78b3a927","source":{"kind":"arxiv","id":"cond-mat/0306262","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0306262","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0306262v1","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0306262","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"pith_short_12","alias_value":"K3354AB7VYCZ","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"pith_short_16","alias_value":"K3354AB7VYCZID6L","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"pith_short_8","alias_value":"K3354AB7","created_at":"2026-07-04T14:20:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:K3354AB7VYCZID6LO2EDDD6ISI","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0306262","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-06-11T05:54:09Z","cross_cats_sorted":[],"title_canon_sha256":"9bbf347f7273d8ded1f2cfa2118f44805d49d037a5636d77372c450c82ebf714","abstract_canon_sha256":"b2122b68eb0934b40b8631abb806e68a2a7f4918ded2fc9b08eff5a0d3b20e54"},"schema_version":"1.0"},"canonical_sha256":"56f7de003fae05940fcb7688318fc8922c00a2c14036c6c840ffde3f78b3a927","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:20:09.834330Z","signature_b64":"Y1HpOLzwc3YTZ01ompTvEA5kO49Gk2+U0asEMT9/hND9UtT0ISy+Q+omZmLdsi5hYWfqi4bpDuh81Dp8SmJhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56f7de003fae05940fcb7688318fc8922c00a2c14036c6c840ffde3f78b3a927","last_reissued_at":"2026-07-04T14:20:09.833923Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:20:09.833923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0306262","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":"2026-07-04T14:20:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xdOd2FTrtEGPUJmirU9jKXZ4GqsVmn2oKPNt4OeHJp3bVKMYK5PBq/PHvNJssx+XbcFLmd7NKjQXCXEIAL8ABQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T11:45:22.390537Z"},"content_sha256":"ab0a075889ba7a92dddca78ba36a62d001e2125f9175abf71751bf2d6515bc26","schema_version":"1.0","event_id":"sha256:ab0a075889ba7a92dddca78ba36a62d001e2125f9175abf71751bf2d6515bc26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:K3354AB7VYCZID6LO2EDDD6ISI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extended floor field CA model for evacuation dynamics","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Alireza Namazi, Andreas Schadschneider, Ansgar Kirchner, Katsuhiro Nishinari","submitted_at":"2003-06-11T05:54:09Z","abstract_excerpt":"The floor field model, which is a cellular automaton model for studying evacuation dynamics, is investigated and extended. A method for calculating the static floor field, which describes the shortest distance to an exit door, in an arbitrary geometry of rooms is presented. The wall potential and contraction effect at a wide exit are also proposed in order to obtain realistic behavior near corners and bottlenecks. These extensions are important for evacuation simulations, especially in the case of panics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0306262","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/cond-mat/0306262/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":"2026-07-04T14:20:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K6LDy1GLpFDdw3obgpgDg+BCgBp28VpjOQgmR/8cBWn9lqDwhdngt1595DpKiWU8WprV9sg6w7oi2rF/PgUvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T11:45:22.390914Z"},"content_sha256":"24c96470cb464fe738cd3fbc025891a08a76e489be2865427d1cff95caaded60","schema_version":"1.0","event_id":"sha256:24c96470cb464fe738cd3fbc025891a08a76e489be2865427d1cff95caaded60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K3354AB7VYCZID6LO2EDDD6ISI/bundle.json","state_url":"https://pith.science/pith/K3354AB7VYCZID6LO2EDDD6ISI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K3354AB7VYCZID6LO2EDDD6ISI/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":"2026-07-13T11:45:22Z","links":{"resolver":"https://pith.science/pith/K3354AB7VYCZID6LO2EDDD6ISI","bundle":"https://pith.science/pith/K3354AB7VYCZID6LO2EDDD6ISI/bundle.json","state":"https://pith.science/pith/K3354AB7VYCZID6LO2EDDD6ISI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K3354AB7VYCZID6LO2EDDD6ISI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:K3354AB7VYCZID6LO2EDDD6ISI","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":"b2122b68eb0934b40b8631abb806e68a2a7f4918ded2fc9b08eff5a0d3b20e54","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-06-11T05:54:09Z","title_canon_sha256":"9bbf347f7273d8ded1f2cfa2118f44805d49d037a5636d77372c450c82ebf714"},"schema_version":"1.0","source":{"id":"cond-mat/0306262","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0306262","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0306262v1","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0306262","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"pith_short_12","alias_value":"K3354AB7VYCZ","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"pith_short_16","alias_value":"K3354AB7VYCZID6L","created_at":"2026-07-04T14:20:09Z"},{"alias_kind":"pith_short_8","alias_value":"K3354AB7","created_at":"2026-07-04T14:20:09Z"}],"graph_snapshots":[{"event_id":"sha256:24c96470cb464fe738cd3fbc025891a08a76e489be2865427d1cff95caaded60","target":"graph","created_at":"2026-07-04T14:20:09Z","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/cond-mat/0306262/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The floor field model, which is a cellular automaton model for studying evacuation dynamics, is investigated and extended. A method for calculating the static floor field, which describes the shortest distance to an exit door, in an arbitrary geometry of rooms is presented. The wall potential and contraction effect at a wide exit are also proposed in order to obtain realistic behavior near corners and bottlenecks. These extensions are important for evacuation simulations, especially in the case of panics.","authors_text":"Alireza Namazi, Andreas Schadschneider, Ansgar Kirchner, Katsuhiro Nishinari","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-06-11T05:54:09Z","title":"Extended floor field CA model for evacuation dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0306262","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:ab0a075889ba7a92dddca78ba36a62d001e2125f9175abf71751bf2d6515bc26","target":"record","created_at":"2026-07-04T14:20:09Z","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":"b2122b68eb0934b40b8631abb806e68a2a7f4918ded2fc9b08eff5a0d3b20e54","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-06-11T05:54:09Z","title_canon_sha256":"9bbf347f7273d8ded1f2cfa2118f44805d49d037a5636d77372c450c82ebf714"},"schema_version":"1.0","source":{"id":"cond-mat/0306262","kind":"arxiv","version":1}},"canonical_sha256":"56f7de003fae05940fcb7688318fc8922c00a2c14036c6c840ffde3f78b3a927","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56f7de003fae05940fcb7688318fc8922c00a2c14036c6c840ffde3f78b3a927","first_computed_at":"2026-07-04T14:20:09.833923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:20:09.833923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y1HpOLzwc3YTZ01ompTvEA5kO49Gk2+U0asEMT9/hND9UtT0ISy+Q+omZmLdsi5hYWfqi4bpDuh81Dp8SmJhAA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:20:09.834330Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0306262","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab0a075889ba7a92dddca78ba36a62d001e2125f9175abf71751bf2d6515bc26","sha256:24c96470cb464fe738cd3fbc025891a08a76e489be2865427d1cff95caaded60"],"state_sha256":"6b25163d84aef56626243b10e54c5ba7b6c85303548a91b501a9b2b57d59cbcc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0W0MXCIZuEDtiNK2J6qp3oMI/usBRJM9IsUKuk5S1lmYwwPlZnb6bXGG77tJHzHdwgg1+WjYgRPEVn+7IUCHBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T11:45:22.393084Z","bundle_sha256":"93ed7c8ad7e6e120fe4b976c504687c45db821a238c8346367d5db1f67e43aa7"}}