{"as_of":"2026-08-23T22:01:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:3b63948fda8841dce1edaa4b8898fbbb44f5ac153d3dc1493e5033a36baa217b","coverage":[{"denominator":22,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":22,"source":"paper_references, paper_reference_links","source_observed_at":"2026-06-25T23:23:23.195917Z","state":"measured"},{"denominator":22,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":22,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-23T06:30:58.430688+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/2606.24386/citation-record","integrity":"/paper/2606.24386/integrity","json":"/paper/2606.24386/citation-record.json","paper":"/paper/2606.24386"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Transportation Science , volume=","venue":null,"work_id":null,"year":2007},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":1,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:b6fddebc9ca7118b39094a3f0eb9f4356222961d36917c7af7eea3a637b994e1","observation_id":"53a3368b-b3bd-4ed8-9744-222dc4078190","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Operations Research Proceedings 2005: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Bremen, September 7--9, 2005 , pages=","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":2,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:0f8dcddb735c149f4fb7febde3646f3d48bf967b7a9d4aa8122ec63b8a18a64d","observation_id":"79239471-cc85-459b-9b23-0e8c3a22129e","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Networks , volume=","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":3,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:c922c0585c10c5ca93fc3974afac7b8db658ded269f617335a5eca4cc1822615","observation_id":"116f2fae-6e90-4a81-90e0-3cd68b6f87a4","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Network design and transportation planning:","venue":null,"work_id":null,"year":1984},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":4,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:fd5a2716c09756eb002bae94b3e6a4a287831e0979a4372553c29b96d48635af","observation_id":"a671fcc9-b4b9-423e-8352-94b5f99ff44b","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Discrete Optimization , volume=","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":5,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:5d5da233f06b48166afd2a8d8925a8b3b9456c904f30025b43553f13bcf5a344","observation_id":"ef90fd30-8c7b-41cd-b00a-ce264a7d8cf1","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Transportation Research Part B: Methodological , volume=","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":6,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:c598be203e7e1be0f86c854444fe76439dfb798f1733ecde1f0aae65d5c57b1e","observation_id":"2e315bd5-6ee1-42fa-9913-c8a365fba227","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"5th Workshop on Algorithmic Methods and Models for Optimization of Railways (ATMOS'05)(2005) , pages=","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":7,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:54c43f0678ee1e089f92b140710512feb6717d780566da1c9725c112f5ffdaad","observation_id":"a5433ac9-b46a-4a4c-b3f9-b7d81ead11ac","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2509.02052","last_updated":"2025-09-02T07:46:00Z","snapshot_observed_at":"2026-08-13T11:21:04.408090Z","submitted_at":"2025-09-02T07:46:00Z","title":"Multi-period line planning for varying railway passenger demand with asymmetric lines","version":1},"cited_work":{"arxiv_id":"2509.02052","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2509.02052","snapshot_observed_at":"2026-07-04T17:50:00.757854Z","title":"arXiv preprint arXiv:2509.02052 , year=","venue":null,"work_id":"4bb80f89-e4e9-45d1-a91c-ee76f5c951cd","year":null},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":8,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"cited_paper":"/paper/2509.02052","citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:f5e7947b3e7f69b95b30e19fa4da85c0091f5d68c8a920a0068951bbf768e3b6","observation_id":"e6ab49b9-0419-4d68-bdab-de98acc4b9bc","resolution":{"observed_at":"2026-07-04T17:50:00.759631Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2501.13819","last_updated":"2025-01-23T16:41:09Z","snapshot_observed_at":"2026-08-12T00:17:20.291168Z","submitted_at":"2025-01-23T16:41:09Z","title":"Line planning under crowding: A cut-and-column generation approach","version":1},"cited_work":{"arxiv_id":"2501.13819","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2501.13819","snapshot_observed_at":"2026-07-04T17:50:00.763827Z","title":"arXiv preprint arXiv:2501.13819 , year=","venue":null,"work_id":"91d6b70d-f0b1-4be1-b34d-2bebea954035","year":null},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":9,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"cited_paper":"/paper/2501.13819","citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:32e037af5c38b4b3387904a2fe1e40b8be5bcb71145456e74d38ed10339ff885","observation_id":"0e177f67-1177-43e5-86d9-b59a98273391","resolution":{"observed_at":"2026-07-04T17:50:00.765434Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2405.10074","last_updated":"2024-05-16T13:11:26Z","snapshot_observed_at":"2026-08-16T13:52:10.807905Z","submitted_at":"2024-05-16T13:11:26Z","title":"Planning and Optimizing Transit Lines","version":1},"cited_work":{"arxiv_id":"2405.10074","doi":"10.48550/arxiv.2405.10074","metadata_source":"arxiv_reference","pith_arxiv_id":"2405.10074","snapshot_observed_at":"2026-08-05T02:28:24.338817Z","title":"Planning and","venue":"arXiv (Cornell University)","work_id":"75248af2-b56d-4056-9a4f-3b54e2b82bc9","year":2024},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":10,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"cited_paper":"/paper/2405.10074","citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:0bd95cb707595346893a241a7277c0b93af66bc119282f835fc40b72c28ded2e","observation_id":"54a4ef2a-faa4-453c-892c-f7782538776e","resolution":{"observed_at":"2026-07-04T17:50:00.762597Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"4OR , volume=","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":11,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:6f67b8916fb587f786ed1528523ebaad38be5791c94005124daaebfff12eae26","observation_id":"ab8295d2-0756-4079-8bcb-dbc4ffbbe5e2","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"2017 , author =","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":12,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:b0028d5b581d76c61aeb6776b2ebfdec4e52125e007810415eb664d61a447c77","observation_id":"e12dfc97-1d21-4c12-9538-1b3cd2e95260","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"2025 , author =","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":13,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:26ca602ce2bf3ba824410c1b82871ebc031ff6938f4f86656f36199c6f1471e1","observation_id":"6063f534-b14b-42f9-982b-11cbfa98dbb3","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"2017 , author =","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":14,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:5a343a68e2a245fcadecc6b0f7d3f8561031a94c0e919561bf606cca3a047d49","observation_id":"8355462b-8350-40ea-808e-9b706ec65c5f","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Transportation Science , volume=","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":15,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:e82ca384db0f74515c35e9f634a2bb26ab26547a512002b06de96e321f0a8985","observation_id":"f44083f5-f32e-4208-ad04-9a75743c3eb7","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Journal of Advanced Transportation , volume=","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":16,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:82bcb264781df2787858cc501aa971577bf491d68038ed9d3e12d890e0b5193d","observation_id":"03a63c4a-a9bc-4600-a791-f58a8846afc6","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"Computer-aided systems in public transport , pages=","venue":null,"work_id":null,"year":2008},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":17,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:2e73764e565926ce5be0eba1d635aaa571588d1e5ce5d000b52a1627bbb8db2e","observation_id":"7c8a9e91-4e75-4eac-8e51-4e43d4ec793d","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"OR spectrum , volume=","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":18,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:bd871dd6c93acd588caa332ef9f818bb9eb2e2cbc947b9b39b9d1498a0e3c212","observation_id":"de68baef-a57e-43c5-b1cc-94ad6ad3153e","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"ATMOS 2021: International Symposium on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems , year=","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":19,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:bf4906b4d71e55417772304f1ce155bb82c7e1c6bdf2237b179bc2c25b2d75e6","observation_id":"06bf5a71-325d-4d5d-b63d-6703a88a4eb2","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"17th workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2017) , pages=","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":20,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:61e93564fbed71bbd480c87e612f731b14e24dd3b3eee9d5a25edd302ddb5018","observation_id":"0957df1b-d738-40bb-b189-1aa6299baa84","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"2026 , url =","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":21,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:91043e386bb197dbdb7dad8562f0fe695a4ad3f4e890666ae40a88ba24767efe","observation_id":"3acb2635-be92-40e8-98d8-2f34db9b2723","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-25T23:23:23.195917Z","title":"2026 , url =","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights","version":2},"reference_index":22,"source":"arxiv_source","source_observed_at":"2026-06-25T23:23:23.195917Z"},"links":{"citing_paper":"/paper/2606.24386"},"observation_digest":"sha256:334536f3fdf0ec682145553df2161e02436ae5997c2597b780efb9cd41ad1a59","observation_id":"94856f93-703a-4aac-81b2-e5fcdc6a7743","resolution":{"observed_at":"2026-06-25T23:23:23.195917Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"2606.24386","last_updated":"2026-06-24T08:21:23Z","latest_version":2,"primary_category":"math.OC","snapshot_observed_at":"2026-08-16T10:34:36.093463Z","submitted_at":"2026-06-23T10:18:54Z","title":"Line Planning at Scale: Models, Methods, and Insights"},"reference_resolution":{"displayed":22,"state_counts":{"malformed_identifier":0,"metadata_mismatch":1,"parse_uncertain":0,"unresolved":19,"verified_exact":2,"verified_fuzzy":0},"total_outbound_references":22},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"thesis":"As of 23 August 2026, this Paper Citation Record lists 22 of 22 outbound references and 0 inbound Pith citation observations for arXiv:2606.24386."}