{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UUW3QNK5RTN4IK2K7ZFSOFUMOE","short_pith_number":"pith:UUW3QNK5","canonical_record":{"source":{"id":"1307.1598","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2013-07-05T12:46:33Z","cross_cats_sorted":[],"title_canon_sha256":"91d4500ac40fbbae66d7091031712ddceabfe25d86ec7cc864776e00851b3e68","abstract_canon_sha256":"9838c2138affda792793512ad25a13c9fc60ea116a4655a2f4b533e05b1e1121"},"schema_version":"1.0"},"canonical_sha256":"a52db8355d8cdbc42b4afe4b27168c7114f5a2d085a2471e401d3d10ec847be8","source":{"kind":"arxiv","id":"1307.1598","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1598","created_at":"2026-05-18T03:19:12Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1598v1","created_at":"2026-05-18T03:19:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1598","created_at":"2026-05-18T03:19:12Z"},{"alias_kind":"pith_short_12","alias_value":"UUW3QNK5RTN4","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UUW3QNK5RTN4IK2K","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UUW3QNK5","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UUW3QNK5RTN4IK2K7ZFSOFUMOE","target":"record","payload":{"canonical_record":{"source":{"id":"1307.1598","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2013-07-05T12:46:33Z","cross_cats_sorted":[],"title_canon_sha256":"91d4500ac40fbbae66d7091031712ddceabfe25d86ec7cc864776e00851b3e68","abstract_canon_sha256":"9838c2138affda792793512ad25a13c9fc60ea116a4655a2f4b533e05b1e1121"},"schema_version":"1.0"},"canonical_sha256":"a52db8355d8cdbc42b4afe4b27168c7114f5a2d085a2471e401d3d10ec847be8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:12.451487Z","signature_b64":"WLSPPeXtwqruvhlPmkgxUoXoYnhKFA46KV/IIiJDe/tz3eSgsMm6XvVs7mAHzrkh/CXeNu0o58imQefQ0pNpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a52db8355d8cdbc42b4afe4b27168c7114f5a2d085a2471e401d3d10ec847be8","last_reissued_at":"2026-05-18T03:19:12.451029Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:12.451029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.1598","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":"2026-05-18T03:19:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bkvTGKwccJrhCDNk456id8deezmcQmMlUfTAr/M6ytUjbcajHTlf6dO+RKB6ebZ6eUbyM0uJpuovYNC+E19FCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T01:29:46.700166Z"},"content_sha256":"fdda627ba6def376d914251a949dda995a923d4f0dd77f051c227610e0db2895","schema_version":"1.0","event_id":"sha256:fdda627ba6def376d914251a949dda995a923d4f0dd77f051c227610e0db2895"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UUW3QNK5RTN4IK2K7ZFSOFUMOE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extending a Microsimulation of the Port of Dover","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Christopher M. Roadknight, Uwe Aickelin","submitted_at":"2013-07-05T12:46:33Z","abstract_excerpt":"Modelling and simulating the traffic of heavily used but secure environments such as seaports and airports is of increasing importance. This paper discusses issues and problems that may arise when extending an existing microsimulation strategy. We also discuss how extensions of these simulations can aid planners with optimal physical and operational feedback. Conclusions are drawn about how microsimulations can be moved forward as a robust planning tool for the 21st century."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1598","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:19:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t83ixqzTjbu8+SzVDnvCo+nopkbc2Bc7qitEEv8J2nQgMWrDX9z0/s9MCnZ7OYrcY+HGdGzHSGxiES64J2f2BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T01:29:46.700881Z"},"content_sha256":"6eb022edf57ad8f31c2c7500140ab3f83a1a747cf2fb91475b8481f4501e9509","schema_version":"1.0","event_id":"sha256:6eb022edf57ad8f31c2c7500140ab3f83a1a747cf2fb91475b8481f4501e9509"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE/bundle.json","state_url":"https://pith.science/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE/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":"2026-06-09T01:29:46Z","links":{"resolver":"https://pith.science/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE","bundle":"https://pith.science/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE/bundle.json","state":"https://pith.science/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UUW3QNK5RTN4IK2K7ZFSOFUMOE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UUW3QNK5RTN4IK2K7ZFSOFUMOE","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":"9838c2138affda792793512ad25a13c9fc60ea116a4655a2f4b533e05b1e1121","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2013-07-05T12:46:33Z","title_canon_sha256":"91d4500ac40fbbae66d7091031712ddceabfe25d86ec7cc864776e00851b3e68"},"schema_version":"1.0","source":{"id":"1307.1598","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1598","created_at":"2026-05-18T03:19:12Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1598v1","created_at":"2026-05-18T03:19:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1598","created_at":"2026-05-18T03:19:12Z"},{"alias_kind":"pith_short_12","alias_value":"UUW3QNK5RTN4","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UUW3QNK5RTN4IK2K","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UUW3QNK5","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:6eb022edf57ad8f31c2c7500140ab3f83a1a747cf2fb91475b8481f4501e9509","target":"graph","created_at":"2026-05-18T03:19:12Z","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":"Modelling and simulating the traffic of heavily used but secure environments such as seaports and airports is of increasing importance. This paper discusses issues and problems that may arise when extending an existing microsimulation strategy. We also discuss how extensions of these simulations can aid planners with optimal physical and operational feedback. Conclusions are drawn about how microsimulations can be moved forward as a robust planning tool for the 21st century.","authors_text":"Christopher M. Roadknight, Uwe Aickelin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2013-07-05T12:46:33Z","title":"Extending a Microsimulation of the Port of Dover"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1598","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:fdda627ba6def376d914251a949dda995a923d4f0dd77f051c227610e0db2895","target":"record","created_at":"2026-05-18T03:19:12Z","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":"9838c2138affda792793512ad25a13c9fc60ea116a4655a2f4b533e05b1e1121","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2013-07-05T12:46:33Z","title_canon_sha256":"91d4500ac40fbbae66d7091031712ddceabfe25d86ec7cc864776e00851b3e68"},"schema_version":"1.0","source":{"id":"1307.1598","kind":"arxiv","version":1}},"canonical_sha256":"a52db8355d8cdbc42b4afe4b27168c7114f5a2d085a2471e401d3d10ec847be8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a52db8355d8cdbc42b4afe4b27168c7114f5a2d085a2471e401d3d10ec847be8","first_computed_at":"2026-05-18T03:19:12.451029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:12.451029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WLSPPeXtwqruvhlPmkgxUoXoYnhKFA46KV/IIiJDe/tz3eSgsMm6XvVs7mAHzrkh/CXeNu0o58imQefQ0pNpDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:12.451487Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.1598","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fdda627ba6def376d914251a949dda995a923d4f0dd77f051c227610e0db2895","sha256:6eb022edf57ad8f31c2c7500140ab3f83a1a747cf2fb91475b8481f4501e9509"],"state_sha256":"daf160d5e8eecccd9a99e30ec59764e015a3a5ac9902b5a49a9aa9f3d22d43d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KnIN59TqoKxfUs7e/KqPO7ISnZpwXAq2BItJtYG2OHAE2hIIVn/LOoWGHkbhmB8M82TZdCYhR7K69jhoa5hWCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T01:29:46.704775Z","bundle_sha256":"6bdd9d6fa123c6e1bccca07f09d2fcf673d370ca7e090ab9bcd86738bbd13be9"}}