{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DSOXUMAPEOX5KMP35RFIP44HO5","short_pith_number":"pith:DSOXUMAP","canonical_record":{"source":{"id":"1807.11476","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-28T08:25:31Z","cross_cats_sorted":["math.NA","math.OC"],"title_canon_sha256":"8b6b9056d76fa7979cb4d1a1ef28dc2ff9be7eb7206f8e654670d894f61743ff","abstract_canon_sha256":"4d021506329585688bf710c55938cdc2f0185f129d0a5a0b3b45fca38606697f"},"schema_version":"1.0"},"canonical_sha256":"1c9d7a300f23afd531fbec4a87f387774b6143900560905ad7faae24894f6a4c","source":{"kind":"arxiv","id":"1807.11476","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11476","created_at":"2026-05-17T23:46:36Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11476v2","created_at":"2026-05-17T23:46:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11476","created_at":"2026-05-17T23:46:36Z"},{"alias_kind":"pith_short_12","alias_value":"DSOXUMAPEOX5","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DSOXUMAPEOX5KMP3","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DSOXUMAP","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DSOXUMAPEOX5KMP35RFIP44HO5","target":"record","payload":{"canonical_record":{"source":{"id":"1807.11476","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-28T08:25:31Z","cross_cats_sorted":["math.NA","math.OC"],"title_canon_sha256":"8b6b9056d76fa7979cb4d1a1ef28dc2ff9be7eb7206f8e654670d894f61743ff","abstract_canon_sha256":"4d021506329585688bf710c55938cdc2f0185f129d0a5a0b3b45fca38606697f"},"schema_version":"1.0"},"canonical_sha256":"1c9d7a300f23afd531fbec4a87f387774b6143900560905ad7faae24894f6a4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:36.221393Z","signature_b64":"f0zM0iNq9NAPXI7qeJVjlaKkAm6d0Y/EcEp5gC5TdpXcItooTD0v4F1ZYWKQGZnYzsCKpiZL2c5ixEsCkxXdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c9d7a300f23afd531fbec4a87f387774b6143900560905ad7faae24894f6a4c","last_reissued_at":"2026-05-17T23:46:36.220745Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:36.220745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.11476","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:46:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rGVvq5b2cENP4CqbDTDZHtqV1bxh1aC7O5eS5hMAH7XBORwyiveBNp8/6jWaGdJBQHoPdGq+lR5Hh7NoDk7oAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:51:17.263730Z"},"content_sha256":"edf03a19fd7a091c50b0c8925a8ee4bc54466b02a73a2797de983f7542898d83","schema_version":"1.0","event_id":"sha256:edf03a19fd7a091c50b0c8925a8ee4bc54466b02a73a2797de983f7542898d83"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DSOXUMAPEOX5KMP35RFIP44HO5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinetic-controlled hydrodynamics for traffic models with driver-assist vehicles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA","math.OC"],"primary_cat":"physics.soc-ph","authors_text":"Andrea Tosin, Mattia Zanella","submitted_at":"2018-07-28T08:25:31Z","abstract_excerpt":"We develop a hierarchical description of traffic flow control by means of driver-assist vehicles aimed at the mitigation of speed-dependent road risk factors. Microscopic feedback control strategies are designed at the level of vehicle-to-vehicle interactions and then upscaled to the global flow via a kinetic approach based on a Boltzmann-type equation. Then first and second order hydrodynamic traffic models, which naturally embed the microscopic control strategies, are consistently derived from the kinetic-controlled framework via suitable closure methods. Several numerical examples illustrat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11476","kind":"arxiv","version":2},"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":"2026-05-17T23:46:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VMQAMqVjhqsCTimH45Fj9qWLnnKvX/xUzKu1PVLjGME12Yy8wzR6K0TC5gydSqyA0ULQw8gP0tnNhZ4bYt3kBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:51:17.264082Z"},"content_sha256":"a9c0714062779d7036f3c8ee253bc70d5fbc85e4c271d49ba6d2744d29231442","schema_version":"1.0","event_id":"sha256:a9c0714062779d7036f3c8ee253bc70d5fbc85e4c271d49ba6d2744d29231442"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DSOXUMAPEOX5KMP35RFIP44HO5/bundle.json","state_url":"https://pith.science/pith/DSOXUMAPEOX5KMP35RFIP44HO5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DSOXUMAPEOX5KMP35RFIP44HO5/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":"2026-06-20T05:51:17Z","links":{"resolver":"https://pith.science/pith/DSOXUMAPEOX5KMP35RFIP44HO5","bundle":"https://pith.science/pith/DSOXUMAPEOX5KMP35RFIP44HO5/bundle.json","state":"https://pith.science/pith/DSOXUMAPEOX5KMP35RFIP44HO5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DSOXUMAPEOX5KMP35RFIP44HO5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DSOXUMAPEOX5KMP35RFIP44HO5","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":"4d021506329585688bf710c55938cdc2f0185f129d0a5a0b3b45fca38606697f","cross_cats_sorted":["math.NA","math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-28T08:25:31Z","title_canon_sha256":"8b6b9056d76fa7979cb4d1a1ef28dc2ff9be7eb7206f8e654670d894f61743ff"},"schema_version":"1.0","source":{"id":"1807.11476","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11476","created_at":"2026-05-17T23:46:36Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11476v2","created_at":"2026-05-17T23:46:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11476","created_at":"2026-05-17T23:46:36Z"},{"alias_kind":"pith_short_12","alias_value":"DSOXUMAPEOX5","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DSOXUMAPEOX5KMP3","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DSOXUMAP","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:a9c0714062779d7036f3c8ee253bc70d5fbc85e4c271d49ba6d2744d29231442","target":"graph","created_at":"2026-05-17T23:46:36Z","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":"We develop a hierarchical description of traffic flow control by means of driver-assist vehicles aimed at the mitigation of speed-dependent road risk factors. Microscopic feedback control strategies are designed at the level of vehicle-to-vehicle interactions and then upscaled to the global flow via a kinetic approach based on a Boltzmann-type equation. Then first and second order hydrodynamic traffic models, which naturally embed the microscopic control strategies, are consistently derived from the kinetic-controlled framework via suitable closure methods. Several numerical examples illustrat","authors_text":"Andrea Tosin, Mattia Zanella","cross_cats":["math.NA","math.OC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-28T08:25:31Z","title":"Kinetic-controlled hydrodynamics for traffic models with driver-assist vehicles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11476","kind":"arxiv","version":2},"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:edf03a19fd7a091c50b0c8925a8ee4bc54466b02a73a2797de983f7542898d83","target":"record","created_at":"2026-05-17T23:46:36Z","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":"4d021506329585688bf710c55938cdc2f0185f129d0a5a0b3b45fca38606697f","cross_cats_sorted":["math.NA","math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-07-28T08:25:31Z","title_canon_sha256":"8b6b9056d76fa7979cb4d1a1ef28dc2ff9be7eb7206f8e654670d894f61743ff"},"schema_version":"1.0","source":{"id":"1807.11476","kind":"arxiv","version":2}},"canonical_sha256":"1c9d7a300f23afd531fbec4a87f387774b6143900560905ad7faae24894f6a4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c9d7a300f23afd531fbec4a87f387774b6143900560905ad7faae24894f6a4c","first_computed_at":"2026-05-17T23:46:36.220745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:36.220745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f0zM0iNq9NAPXI7qeJVjlaKkAm6d0Y/EcEp5gC5TdpXcItooTD0v4F1ZYWKQGZnYzsCKpiZL2c5ixEsCkxXdBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:36.221393Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.11476","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edf03a19fd7a091c50b0c8925a8ee4bc54466b02a73a2797de983f7542898d83","sha256:a9c0714062779d7036f3c8ee253bc70d5fbc85e4c271d49ba6d2744d29231442"],"state_sha256":"c8fe10bfa302bc86852b951328b6daf760f50626f8b6ca6d0f87c238ab8f39ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e1RXXkpfenqfi/QQw2Xm82Q3vYB47mXc1hk2ENDQOGehwsmIWfNh9/5KtCoHCYsaFrMkrK0CibXhMJZkf32/Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T05:51:17.266058Z","bundle_sha256":"3b5ec61b4d211432460ccf91a1f7aa61031c8d23cb22953aedf96de2452424f4"}}