{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6ASJHWUJZ6HHMV7DJUHISH4SZS","short_pith_number":"pith:6ASJHWUJ","canonical_record":{"source":{"id":"1903.11319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2019-03-27T09:58:04Z","cross_cats_sorted":[],"title_canon_sha256":"9b6e40226cd6d04922429051597508ab5d12ec45efeab32db4430288d2f4336f","abstract_canon_sha256":"ebee1e6765993e91aa4ac0976dae8abef8cd1fae6767bca511ff1cdae2ab0879"},"schema_version":"1.0"},"canonical_sha256":"f02493da89cf8e7657e34d0e891f92cc8175b08974b2d7c0d60339e48aa760d5","source":{"kind":"arxiv","id":"1903.11319","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11319","created_at":"2026-05-17T23:50:03Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11319v1","created_at":"2026-05-17T23:50:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11319","created_at":"2026-05-17T23:50:03Z"},{"alias_kind":"pith_short_12","alias_value":"6ASJHWUJZ6HH","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6ASJHWUJZ6HHMV7D","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6ASJHWUJ","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6ASJHWUJZ6HHMV7DJUHISH4SZS","target":"record","payload":{"canonical_record":{"source":{"id":"1903.11319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2019-03-27T09:58:04Z","cross_cats_sorted":[],"title_canon_sha256":"9b6e40226cd6d04922429051597508ab5d12ec45efeab32db4430288d2f4336f","abstract_canon_sha256":"ebee1e6765993e91aa4ac0976dae8abef8cd1fae6767bca511ff1cdae2ab0879"},"schema_version":"1.0"},"canonical_sha256":"f02493da89cf8e7657e34d0e891f92cc8175b08974b2d7c0d60339e48aa760d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:03.601329Z","signature_b64":"nK9fWd7xwv5d6S7ha2TsmlGuKgzA9pst5BnUEDJ+xwYlWcdhapBTVCgiZrlmRJMgE+BKsXgWfe7bIjzn8AA+AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f02493da89cf8e7657e34d0e891f92cc8175b08974b2d7c0d60339e48aa760d5","last_reissued_at":"2026-05-17T23:50:03.600904Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:03.600904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.11319","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":"2026-05-17T23:50:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UmmxIhpj8XAQyLpO/6nZffUNcJ+gF1QVDcj6LTimbkLdXQs+7xbbOk1KOLmPwXKwms2ZdU9EgLDf05T39sBvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:02:24.669139Z"},"content_sha256":"ce4ad79a3429712876ffb12bc104f6ef26d8614a1412ceaa5a38e2262536ba5a","schema_version":"1.0","event_id":"sha256:ce4ad79a3429712876ffb12bc104f6ef26d8614a1412ceaa5a38e2262536ba5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6ASJHWUJZ6HHMV7DJUHISH4SZS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Velocity control for improving flow through a bottleneck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.CG","authors_text":"Daichi Yanagisawa, Hiroki Yamamoto, Katsuhiro Nishinari","submitted_at":"2019-03-27T09:58:04Z","abstract_excerpt":"A bottleneck can largely deteriorate the flow, such as a traffic light or an on-ramp at a road. To alleviate bottleneck situations, one of the important strategies is to control the input rate to suit the state of the road. In this study, we propose an effective velocity control of traveling particles, in which the particle velocity depends on the state of a bottleneck. To analyze our method, we modify the totally asymmetric simple exclusion process (TASEP) and introduce a slow-to-start rule, which we refer to as controlled TASEP in the present paper. Flow improvement is verified in numerical "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11319","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":"2026-05-17T23:50:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dGAmZ4Ht3F3f/V/fwD+gkxJYSOANlsQuePhmoA2na4jVho4RPaJnu/foxfW07uVfmoHKJMGsEEPNrM5+51MqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:02:24.669841Z"},"content_sha256":"9918ece9151c0a84b004b83883edd72500c25e30554e287a1b96faecfd5e2b30","schema_version":"1.0","event_id":"sha256:9918ece9151c0a84b004b83883edd72500c25e30554e287a1b96faecfd5e2b30"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS/bundle.json","state_url":"https://pith.science/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS/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":"2026-05-26T22:02:24Z","links":{"resolver":"https://pith.science/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS","bundle":"https://pith.science/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS/bundle.json","state":"https://pith.science/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ASJHWUJZ6HHMV7DJUHISH4SZS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6ASJHWUJZ6HHMV7DJUHISH4SZS","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":"ebee1e6765993e91aa4ac0976dae8abef8cd1fae6767bca511ff1cdae2ab0879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2019-03-27T09:58:04Z","title_canon_sha256":"9b6e40226cd6d04922429051597508ab5d12ec45efeab32db4430288d2f4336f"},"schema_version":"1.0","source":{"id":"1903.11319","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11319","created_at":"2026-05-17T23:50:03Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11319v1","created_at":"2026-05-17T23:50:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11319","created_at":"2026-05-17T23:50:03Z"},{"alias_kind":"pith_short_12","alias_value":"6ASJHWUJZ6HH","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6ASJHWUJZ6HHMV7D","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6ASJHWUJ","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:9918ece9151c0a84b004b83883edd72500c25e30554e287a1b96faecfd5e2b30","target":"graph","created_at":"2026-05-17T23:50:03Z","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":"A bottleneck can largely deteriorate the flow, such as a traffic light or an on-ramp at a road. To alleviate bottleneck situations, one of the important strategies is to control the input rate to suit the state of the road. In this study, we propose an effective velocity control of traveling particles, in which the particle velocity depends on the state of a bottleneck. To analyze our method, we modify the totally asymmetric simple exclusion process (TASEP) and introduce a slow-to-start rule, which we refer to as controlled TASEP in the present paper. Flow improvement is verified in numerical ","authors_text":"Daichi Yanagisawa, Hiroki Yamamoto, Katsuhiro Nishinari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2019-03-27T09:58:04Z","title":"Velocity control for improving flow through a bottleneck"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11319","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:ce4ad79a3429712876ffb12bc104f6ef26d8614a1412ceaa5a38e2262536ba5a","target":"record","created_at":"2026-05-17T23:50:03Z","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":"ebee1e6765993e91aa4ac0976dae8abef8cd1fae6767bca511ff1cdae2ab0879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2019-03-27T09:58:04Z","title_canon_sha256":"9b6e40226cd6d04922429051597508ab5d12ec45efeab32db4430288d2f4336f"},"schema_version":"1.0","source":{"id":"1903.11319","kind":"arxiv","version":1}},"canonical_sha256":"f02493da89cf8e7657e34d0e891f92cc8175b08974b2d7c0d60339e48aa760d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f02493da89cf8e7657e34d0e891f92cc8175b08974b2d7c0d60339e48aa760d5","first_computed_at":"2026-05-17T23:50:03.600904Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:03.600904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nK9fWd7xwv5d6S7ha2TsmlGuKgzA9pst5BnUEDJ+xwYlWcdhapBTVCgiZrlmRJMgE+BKsXgWfe7bIjzn8AA+AQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:03.601329Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.11319","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce4ad79a3429712876ffb12bc104f6ef26d8614a1412ceaa5a38e2262536ba5a","sha256:9918ece9151c0a84b004b83883edd72500c25e30554e287a1b96faecfd5e2b30"],"state_sha256":"ad79bdb0a431b15cf7b58686dbc56f7eaf5ba5d652de1b4063cb2d276ee13c2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x4IOu2UAGChb7xJqowqNpS7vwrKNM6GN3p/pfaTZBwsThsyBAhLZaIOduyLIcmZOSeaYm0v5BkdUjlQHO13xBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:02:24.673446Z","bundle_sha256":"fa9c3b25f7b8d4c9f4c0167c98c1de542ed7162fe4e8ab36debe92cd6b0b72d7"}}