{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WG4AIHR7JNCTVQS4XRYC7PXTJZ","short_pith_number":"pith:WG4AIHR7","canonical_record":{"source":{"id":"2406.08750","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2024-06-13T02:19:40Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"7ab033aa74dc73d2eb8d7183abc37d77d11a46da6b048a8298e31c351c46aca0","abstract_canon_sha256":"496cd42e32cfd9b361db68a0b83c35051e6f3c597ab9312d86b7366cd7bec234"},"schema_version":"1.0"},"canonical_sha256":"b1b8041e3f4b453ac25cbc702fbef34e62fbc9678a518da6930d462ac575dbad","source":{"kind":"arxiv","id":"2406.08750","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08750","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08750v1","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08750","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"pith_short_12","alias_value":"WG4AIHR7JNCT","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"pith_short_16","alias_value":"WG4AIHR7JNCTVQS4","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"pith_short_8","alias_value":"WG4AIHR7","created_at":"2026-07-05T08:31:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WG4AIHR7JNCTVQS4XRYC7PXTJZ","target":"record","payload":{"canonical_record":{"source":{"id":"2406.08750","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2024-06-13T02:19:40Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"7ab033aa74dc73d2eb8d7183abc37d77d11a46da6b048a8298e31c351c46aca0","abstract_canon_sha256":"496cd42e32cfd9b361db68a0b83c35051e6f3c597ab9312d86b7366cd7bec234"},"schema_version":"1.0"},"canonical_sha256":"b1b8041e3f4b453ac25cbc702fbef34e62fbc9678a518da6930d462ac575dbad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:31:22.803569Z","signature_b64":"Hh7sXKRXxBvrePzPkIULl22Zh5W0L5By/BglZD0te4gGsoMqnWJi2dj6RCQ8N5qG5jR0L4d2ncKxmfYWwzAgAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1b8041e3f4b453ac25cbc702fbef34e62fbc9678a518da6930d462ac575dbad","last_reissued_at":"2026-07-05T08:31:22.803104Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:31:22.803104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.08750","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":"2026-07-05T08:31:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xs+Pvk5pqCK34xItRDdhjDHb/IWZD5gGVI80kDEJhTk46wmeL9WL9cFKrmUE5caMWngl1tEAq42D3I2KPj8EDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T18:42:15.154548Z"},"content_sha256":"1b88644d8bb5847fcd60357ac3d988bfbb5efe4f933b17f818d4f3f5c818edaf","schema_version":"1.0","event_id":"sha256:1b88644d8bb5847fcd60357ac3d988bfbb5efe4f933b17f818d4f3f5c818edaf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WG4AIHR7JNCTVQS4XRYC7PXTJZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The expressway network design problem for multiple urban subregions based on the macroscopic fundamental diagram","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Bin Ran, Haotian Shi, Heng Ding, Jinbiao Huo, Weihua Zhang, Yunran Di","submitted_at":"2024-06-13T02:19:40Z","abstract_excerpt":"As urbanization advances, cities are expanding, leading to a more decentralized urban structure and longer average commuting durations. The construction of an urban expressway system emerges as a critical strategy to tackle this challenge. However, the traditional link-level network design method faces modeling and solution challenges when dealing with the large-scale expressway network design problem (ENDP). To address the challenges, this paper proposes an expressway network design method for multiple urban subregions based on the macroscopic fundamental diagram (MFD). Initially, a mixed roa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08750","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/2406.08750/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":"2026-07-05T08:31:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JIFQVg5P5KP2cBP0bSf6ckWQrCvxJNtjiuoyGP1N3zM8KcIbmxtpzQXi3wbEkqfEeyjKTzAUkX+3+4ZJYJ9CAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T18:42:15.154896Z"},"content_sha256":"3717753bfacfa1edd00b32766cc25b0e3381021fa33c017e987ab50cc8ddc760","schema_version":"1.0","event_id":"sha256:3717753bfacfa1edd00b32766cc25b0e3381021fa33c017e987ab50cc8ddc760"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ/bundle.json","state_url":"https://pith.science/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ/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":"2026-08-18T18:42:15Z","links":{"resolver":"https://pith.science/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ","bundle":"https://pith.science/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ/bundle.json","state":"https://pith.science/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WG4AIHR7JNCTVQS4XRYC7PXTJZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WG4AIHR7JNCTVQS4XRYC7PXTJZ","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":"496cd42e32cfd9b361db68a0b83c35051e6f3c597ab9312d86b7366cd7bec234","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2024-06-13T02:19:40Z","title_canon_sha256":"7ab033aa74dc73d2eb8d7183abc37d77d11a46da6b048a8298e31c351c46aca0"},"schema_version":"1.0","source":{"id":"2406.08750","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08750","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08750v1","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08750","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"pith_short_12","alias_value":"WG4AIHR7JNCT","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"pith_short_16","alias_value":"WG4AIHR7JNCTVQS4","created_at":"2026-07-05T08:31:22Z"},{"alias_kind":"pith_short_8","alias_value":"WG4AIHR7","created_at":"2026-07-05T08:31:22Z"}],"graph_snapshots":[{"event_id":"sha256:3717753bfacfa1edd00b32766cc25b0e3381021fa33c017e987ab50cc8ddc760","target":"graph","created_at":"2026-07-05T08:31:22Z","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/2406.08750/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As urbanization advances, cities are expanding, leading to a more decentralized urban structure and longer average commuting durations. The construction of an urban expressway system emerges as a critical strategy to tackle this challenge. However, the traditional link-level network design method faces modeling and solution challenges when dealing with the large-scale expressway network design problem (ENDP). To address the challenges, this paper proposes an expressway network design method for multiple urban subregions based on the macroscopic fundamental diagram (MFD). Initially, a mixed roa","authors_text":"Bin Ran, Haotian Shi, Heng Ding, Jinbiao Huo, Weihua Zhang, Yunran Di","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2024-06-13T02:19:40Z","title":"The expressway network design problem for multiple urban subregions based on the macroscopic fundamental diagram"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08750","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":"sha256:1b88644d8bb5847fcd60357ac3d988bfbb5efe4f933b17f818d4f3f5c818edaf","target":"record","created_at":"2026-07-05T08:31:22Z","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":"496cd42e32cfd9b361db68a0b83c35051e6f3c597ab9312d86b7366cd7bec234","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2024-06-13T02:19:40Z","title_canon_sha256":"7ab033aa74dc73d2eb8d7183abc37d77d11a46da6b048a8298e31c351c46aca0"},"schema_version":"1.0","source":{"id":"2406.08750","kind":"arxiv","version":1}},"canonical_sha256":"b1b8041e3f4b453ac25cbc702fbef34e62fbc9678a518da6930d462ac575dbad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1b8041e3f4b453ac25cbc702fbef34e62fbc9678a518da6930d462ac575dbad","first_computed_at":"2026-07-05T08:31:22.803104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:31:22.803104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hh7sXKRXxBvrePzPkIULl22Zh5W0L5By/BglZD0te4gGsoMqnWJi2dj6RCQ8N5qG5jR0L4d2ncKxmfYWwzAgAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:31:22.803569Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.08750","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b88644d8bb5847fcd60357ac3d988bfbb5efe4f933b17f818d4f3f5c818edaf","sha256:3717753bfacfa1edd00b32766cc25b0e3381021fa33c017e987ab50cc8ddc760"],"state_sha256":"dfbba5b990fe0852c5e80637cfb3cf2e81bfedb36de2b2c9443b08c7d931f00d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"242MmdJlCdPdPzIoFC3I6z2ZC4fJajscEadrh0GypZ+qZxkU0k+abJfUfYhax8lutRZwzYlP4k/HqwdYjEHFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T18:42:15.158747Z","bundle_sha256":"9067ce2d02f0a45b48be6f52c859e7bb49a156968e69c7d71ac973f7c1509eec"}}