{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ROBVXTTAFAS3N557JLNKU3WRKT","short_pith_number":"pith:ROBVXTTA","canonical_record":{"source":{"id":"1711.00054","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2017-10-31T18:53:26Z","cross_cats_sorted":[],"title_canon_sha256":"2dac6907f2dd1c3f13509a9f626d66c20916c41611f9e0766ec30fd63e13a391","abstract_canon_sha256":"832be6110f9ea677e70362c88b9f2be4d213b64998befaca473ad05a311e1868"},"schema_version":"1.0"},"canonical_sha256":"8b835bce602825b6f7bf4adaaa6ed154c21aad8c0bd94deb558010f2a8cb80bc","source":{"kind":"arxiv","id":"1711.00054","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.00054","created_at":"2026-05-18T00:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"1711.00054v1","created_at":"2026-05-18T00:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.00054","created_at":"2026-05-18T00:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"ROBVXTTAFAS3","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"ROBVXTTAFAS3N557","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"ROBVXTTA","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ROBVXTTAFAS3N557JLNKU3WRKT","target":"record","payload":{"canonical_record":{"source":{"id":"1711.00054","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2017-10-31T18:53:26Z","cross_cats_sorted":[],"title_canon_sha256":"2dac6907f2dd1c3f13509a9f626d66c20916c41611f9e0766ec30fd63e13a391","abstract_canon_sha256":"832be6110f9ea677e70362c88b9f2be4d213b64998befaca473ad05a311e1868"},"schema_version":"1.0"},"canonical_sha256":"8b835bce602825b6f7bf4adaaa6ed154c21aad8c0bd94deb558010f2a8cb80bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:35.325355Z","signature_b64":"eHkgS/2KcbPKiRJalONlt2Hb+vQ/6CzOm0m0H+mtUc2QpeNxq2cP+p783EtPvZk6sW8bO4Cjben/rTxR+pqPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b835bce602825b6f7bf4adaaa6ed154c21aad8c0bd94deb558010f2a8cb80bc","last_reissued_at":"2026-05-18T00:31:35.324845Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:35.324845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.00054","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":"2026-05-18T00:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97PU7OzprhFMLyWHFGPtuA6jDYagkvEERHz9iKUtqJ5eB0NxdbB3GY0hs+JvFQrtmXUF2pkjlqSbVzt7opNYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T07:07:44.145226Z"},"content_sha256":"921e8011cbc3104f5e39aab89c239e2a6347e981b8f513481a05425d8da01b73","schema_version":"1.0","event_id":"sha256:921e8011cbc3104f5e39aab89c239e2a6347e981b8f513481a05425d8da01b73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ROBVXTTAFAS3N557JLNKU3WRKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Abnormal Spatial-Temporal Pattern Analysis for Niagara Frontier Border Wait Times","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Lei Lin, Zhenhua Zhang","submitted_at":"2017-10-31T18:53:26Z","abstract_excerpt":"Border crossing delays cause problems like huge economics loss and heavy environmental pollutions. To understand more about the nature of border crossing delay, this study applies a dictionary-based compression algorithm to process the historical Niagara Frontier border wait times data. It can identify the abnormal spatial-temporal patterns for both passenger vehicles and trucks at three bridges connecting US and Canada. Furthermore, it provides a quantitate anomaly score to rank the wait times patterns across the three bridges for each vehicle type and each direction. By analyzing the top thr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.00054","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":"2026-05-18T00:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdcEenlpfsp3YBjL/cQ1etlmu9u8uKkyp/iTnDeC8s0SiRlqoS/Mbu+xUuRoB6iWswUM2uAhNNBvhzSztoCTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T07:07:44.145573Z"},"content_sha256":"82e9a3351ee4fe4099c0698d818ab3e0046e088f229347b4533e5c0d9125f47e","schema_version":"1.0","event_id":"sha256:82e9a3351ee4fe4099c0698d818ab3e0046e088f229347b4533e5c0d9125f47e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ROBVXTTAFAS3N557JLNKU3WRKT/bundle.json","state_url":"https://pith.science/pith/ROBVXTTAFAS3N557JLNKU3WRKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ROBVXTTAFAS3N557JLNKU3WRKT/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":"2026-06-12T07:07:44Z","links":{"resolver":"https://pith.science/pith/ROBVXTTAFAS3N557JLNKU3WRKT","bundle":"https://pith.science/pith/ROBVXTTAFAS3N557JLNKU3WRKT/bundle.json","state":"https://pith.science/pith/ROBVXTTAFAS3N557JLNKU3WRKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ROBVXTTAFAS3N557JLNKU3WRKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ROBVXTTAFAS3N557JLNKU3WRKT","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":"832be6110f9ea677e70362c88b9f2be4d213b64998befaca473ad05a311e1868","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2017-10-31T18:53:26Z","title_canon_sha256":"2dac6907f2dd1c3f13509a9f626d66c20916c41611f9e0766ec30fd63e13a391"},"schema_version":"1.0","source":{"id":"1711.00054","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.00054","created_at":"2026-05-18T00:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"1711.00054v1","created_at":"2026-05-18T00:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.00054","created_at":"2026-05-18T00:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"ROBVXTTAFAS3","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"ROBVXTTAFAS3N557","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"ROBVXTTA","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:82e9a3351ee4fe4099c0698d818ab3e0046e088f229347b4533e5c0d9125f47e","target":"graph","created_at":"2026-05-18T00:31:35Z","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":"Border crossing delays cause problems like huge economics loss and heavy environmental pollutions. To understand more about the nature of border crossing delay, this study applies a dictionary-based compression algorithm to process the historical Niagara Frontier border wait times data. It can identify the abnormal spatial-temporal patterns for both passenger vehicles and trucks at three bridges connecting US and Canada. Furthermore, it provides a quantitate anomaly score to rank the wait times patterns across the three bridges for each vehicle type and each direction. By analyzing the top thr","authors_text":"Lei Lin, Zhenhua Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2017-10-31T18:53:26Z","title":"Abnormal Spatial-Temporal Pattern Analysis for Niagara Frontier Border Wait Times"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.00054","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":"sha256:921e8011cbc3104f5e39aab89c239e2a6347e981b8f513481a05425d8da01b73","target":"record","created_at":"2026-05-18T00:31:35Z","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":"832be6110f9ea677e70362c88b9f2be4d213b64998befaca473ad05a311e1868","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2017-10-31T18:53:26Z","title_canon_sha256":"2dac6907f2dd1c3f13509a9f626d66c20916c41611f9e0766ec30fd63e13a391"},"schema_version":"1.0","source":{"id":"1711.00054","kind":"arxiv","version":1}},"canonical_sha256":"8b835bce602825b6f7bf4adaaa6ed154c21aad8c0bd94deb558010f2a8cb80bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b835bce602825b6f7bf4adaaa6ed154c21aad8c0bd94deb558010f2a8cb80bc","first_computed_at":"2026-05-18T00:31:35.324845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:35.324845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eHkgS/2KcbPKiRJalONlt2Hb+vQ/6CzOm0m0H+mtUc2QpeNxq2cP+p783EtPvZk6sW8bO4Cjben/rTxR+pqPAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:35.325355Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.00054","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:921e8011cbc3104f5e39aab89c239e2a6347e981b8f513481a05425d8da01b73","sha256:82e9a3351ee4fe4099c0698d818ab3e0046e088f229347b4533e5c0d9125f47e"],"state_sha256":"cba8ddc84d175506830b850a2190de66ef1ae8565641a4308b4b992d4e3e92e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RTmt9KJgIzVIvAQTcEl7O5KTf/v/DrOy5mNVNmXzakN1MH5Vhz36dxql+iTkaXVibJpn4VS7ETTbaZwLNJYGDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T07:07:44.147421Z","bundle_sha256":"2332ec3d9fabf415ebcb75116d4864a96acc231a0c7f3fb48464afc767165097"}}