{"as_of":"2026-08-16T17:00:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:bf6c406c1395e77ba3d723a71efddb700d7abd4f3f1884417bea1a72d4f9d93f","coverage":[{"denominator":21,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":21,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T15:32:47.570483Z","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":"2026-08-16T06:30:59.297886+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T13:46:39.730302Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-14T13:46:39.934054Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"cited_work":{"arxiv_id":"1908.01169","doi":null,"metadata_source":"pith","pith_arxiv_id":"1908.01169","snapshot_observed_at":"2026-08-14T13:46:39.934054Z","title":"A car as parabolic geometry","venue":"math.DG","work_id":"f302bf46-8d0a-40dd-bc58-c317084e2b98","year":2019},"citing_paper":{"arxiv_id":"1908.04544","last_updated":"2019-08-13T08:54:39Z","snapshot_observed_at":"2026-08-16T03:22:52.875761Z","submitted_at":"2019-08-13T08:54:39Z","title":"On certain classes of $Sp(2,R)$ symmetric $G_2$ structures","version":1},"reference_index":31,"source":"arxiv_source","source_observed_at":"2026-08-14T13:46:39.730302Z"},"links":{"cited_paper":"/paper/1908.01169","citing_paper":"/paper/1908.04544"},"observation_digest":"sha256:63321199efa6963b219d0a782dd5923007f32723b4065eaa721818f0fd6fff33","observation_id":"27b631bd-e13e-4d3b-9f75-db22e8f05aa0","resolution":{"observed_at":"2026-08-14T13:46:39.939981Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1908.01169/citation-record","integrity":"/paper/1908.01169/integrity","json":"/paper/1908.01169/citation-record.json","paper":"/paper/1908.01169"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.885195Z","title":null,"venue":null,"work_id":"ad74c314-9dc7-4856-b31e-e472fd87921f","year":2014},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.485560Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:17e655245a50d8aefbe91ca5ebeb821aac4c0f605927a2604c3778a4f6b28e27","observation_id":"9ec7d502-64ec-42f7-9553-798b6cada7e7","resolution":{"observed_at":"2026-08-14T15:32:47.890618Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.872573Z","title":null,"venue":null,"work_id":"34d24b1b-4a96-434a-84f1-1a4c9729b59f","year":2000},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.490478Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:c1091903c13450676ee5a478c5f53f4d2cff8642a7b2d0f64114e29a8b07c296","observation_id":"91bc6da2-ee03-4167-b310-f27cb40060c7","resolution":{"observed_at":"2026-08-14T15:32:47.876571Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.860018Z","title":null,"venue":null,"work_id":"ab087369-c9e1-4d80-9069-5d16215cbaad","year":2009},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.494950Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:30587dd860497c82939e2eab3ed97d97318034ee8357fcdbb00b52289041b2c1","observation_id":"4a4096f1-ee72-4447-8221-5af44e7abea1","resolution":{"observed_at":"2026-08-14T15:32:47.864185Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.847604Z","title":"Cartan, (1893) Sur la structure des groupes simples ﬁnis et continus,C","venue":null,"work_id":"0796f9a2-d349-41f4-82c9-142c496acdfa","year":null},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.499113Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:f0a756537867bd2bd289084330f3f118383016445b6028443fdfa0d6bf8492e3","observation_id":"e8e1f1ba-364d-44b0-9624-1e9ec6d3e550","resolution":{"observed_at":"2026-08-14T15:32:47.852286Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.835154Z","title":"Cartan, (1924) Sur les varietes a connection projective,Bull","venue":null,"work_id":"b00f4270-a883-4170-a300-2a07332b5d24","year":1924},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.503286Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:da08f5b5714766585205bc7e99c3ef902c685525882b337314b3c2bca15015b4","observation_id":"6c4c0bf2-3cc6-4440-876c-394194ed2014","resolution":{"observed_at":"2026-08-14T15:32:47.839498Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.819820Z","title":"Cartan (1941) La geometria de las ecuaciones diferenciales de tercer ordenRev","venue":null,"work_id":"6e3338fc-28ea-45a7-812b-82f8037cc35e","year":1941},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.507446Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:36f8b2aee8c64cc326c863d52e99df97c835bd151ef9d87e4a792cb0fdc8e978","observation_id":"01cb4e74-cd10-4432-8563-d034fe53276d","resolution":{"observed_at":"2026-08-14T15:32:47.824440Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.804056Z","title":null,"venue":null,"work_id":"815aa53e-43a0-400e-b1cd-b7aadbe6c143","year":1940},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.513092Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:51b2c8c450d15103627a53667b0b359d9c5e649f69400389b78d803cbb57fb59","observation_id":"227ccd2a-f08f-4bc4-8c59-8e9c2688167b","resolution":{"observed_at":"2026-08-14T15:32:47.807921Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1810.04852","last_updated":"2018-10-11T05:56:02Z","snapshot_observed_at":"2026-08-14T18:16:25.339846Z","submitted_at":"2018-10-11T05:56:02Z","title":"Aerobatics of flying saucers","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1810.04852","snapshot_observed_at":"2026-08-14T15:32:47.517314Z","title":"Eastwood, P","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.517314Z"},"links":{"cited_paper":"/paper/1810.04852","citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:de0b37a91853604e349d72bb3b322b905264adf394556b14be6b8fa90d3c0b88","observation_id":"75ddaae6-bb0c-45d8-8482-ee1a1cb1425a","resolution":{"observed_at":"2026-08-14T15:32:47.517314Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1810.04855","last_updated":"2018-10-11T06:04:38Z","snapshot_observed_at":"2026-08-14T18:16:24.820039Z","submitted_at":"2018-10-11T06:04:38Z","title":"Aerodynamics of flying saucers","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1810.04855","snapshot_observed_at":"2026-08-14T15:32:47.521764Z","title":"Eastwood, P","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.521764Z"},"links":{"cited_paper":"/paper/1810.04855","citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:00c595c2f6ebf1ed9f35d08c77afb1f79b345a291935a28da303871c912ebb85","observation_id":"81e4242d-092d-4d10-a3bb-788e8953ca18","resolution":{"observed_at":"2026-08-14T15:32:47.521764Z","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":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.789195Z","title":"Engel, (1893) Sur un groupe simple a quatorze parametres,C","venue":null,"work_id":"753ccc0a-8329-49ab-bd96-66df2a22493d","year":null},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.526097Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:518a1ae84e812b6d52fda35f102325539421a0724f0134f6f7a2cb188e33a55f","observation_id":"c3bb2034-7a48-4873-9cfd-541e68ff685f","resolution":{"observed_at":"2026-08-14T15:32:47.794576Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.775791Z","title":null,"venue":null,"work_id":"db5af715-bdcd-4f13-9d5f-758a11f0343d","year":1966},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.530205Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:c49bab0f2d95429f4829b44b7c0aad8927cfa9078e605db9074d4a2d5818e940","observation_id":"eaedab6d-c724-42cd-b24a-9db5a1bca913","resolution":{"observed_at":"2026-08-14T15:32:47.780586Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"math/0402332","last_updated":"2005-03-23T14:55:35Z","snapshot_observed_at":"2026-08-16T11:17:22.854973Z","submitted_at":"2004-02-20T13:01:47Z","title":"Contact Projective Structures","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"math/0402332","snapshot_observed_at":"2026-08-14T15:32:47.534098Z","title":"Fox, Contact projective structures, Indiana University Mathematics Journal 54 (2005) 1547, arXiv:math/0402332","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.534098Z"},"links":{"cited_paper":"/paper/math/0402332","citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:869ebc7463044148eab8da456f50cc8722c678fe93fac9d2a3dc927b6d8da5b6","observation_id":"24aa078e-cec4-49b0-a975-d220ea054e94","resolution":{"observed_at":"2026-08-14T15:32:47.534098Z","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":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.761399Z","title":"Godliński, (2008)Geometry of third order ordinary diﬀerential equations and its applications in General Relativity, PhD thesis, Faculty of Physics, University of Warsaw","venue":null,"work_id":"a7429d83-0567-4e85-b68f-16da7a79713a","year":2008},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.538479Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:340ece0867ff53af04c941f5304432e1e25d07fdb3e4874a05395862fe766403","observation_id":"0affc1cd-eca5-4c2d-8558-bde70b5b82bb","resolution":{"observed_at":"2026-08-14T15:32:47.766961Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"0902.4129","last_updated":"2009-02-24T12:05:06Z","snapshot_observed_at":"2026-08-15T05:54:20.529482Z","submitted_at":"2009-02-24T12:05:06Z","title":"Geometry of third-order ODEs","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"0902.4129","snapshot_observed_at":"2026-08-14T15:32:47.542494Z","title":"Godliński, P","venue":null,"work_id":null,"year":2009},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.542494Z"},"links":{"cited_paper":"/paper/0902.4129","citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:6f7dc1746e918cd0a11fdce9538f01b49de921c5738f99d84ffac0ec340aeb14","observation_id":"7f14aa5f-6628-4585-9e34-5c804fbefa22","resolution":{"observed_at":"2026-08-14T15:32:47.542494Z","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":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.747735Z","title":"Gutt, Projective geometry of simple nonholonomic models, Colloquium at CFT PAS , 24 January 2014, https://www.youtube.com/watch?v=4LV3J_mPUAI","venue":null,"work_id":"fed49a31-41bc-4b3f-9607-11ee1a268075","year":2014},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.546588Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:258a0e0a94419026cb12aebbf3d832f624254c7c29f6d4801fde572292a08c00","observation_id":"5e3e2abd-39fd-419f-920b-f79750cbc6e0","resolution":{"observed_at":"2026-08-14T15:32:47.751954Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.735106Z","title":"Helgason, Sophus Lie, the mathematician, InProceedings Sophus Lie Memorial Conference, Oslo 1992, O","venue":null,"work_id":"fe731eac-f59f-4367-8516-e1d22c5e5158","year":1994},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.550254Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:91c16837b9152e7f5a5a5df7ed74ef57ecc77a43f3d96067d3b3495b5a6ae021","observation_id":"4cfca4d6-d969-4e8d-87c8-ceb8295f81ae","resolution":{"observed_at":"2026-08-14T15:32:47.739316Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.712988Z","title":null,"venue":null,"work_id":"bb12c8fb-c70d-4751-882c-e6689eafeba7","year":2010},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.554214Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:2bcd92091a32893bf1cf399663688afa4315504830fad738f7a4072bbab1e0b8","observation_id":"494c46b6-ebce-4875-8c30-787ba65513c0","resolution":{"observed_at":"2026-08-14T15:32:47.717024Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.700381Z","title":null,"venue":null,"work_id":"0b14674c-088a-4c0d-9069-4d0c65d68f1d","year":null},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.558119Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:ca6d29be225803b5af2ba552493788771d83560150c3c6652acfbc5232292cf2","observation_id":"0a1890ee-8c9a-477d-8218-20683fa8169e","resolution":{"observed_at":"2026-08-14T15:32:47.704851Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.685513Z","title":"Pansu, (1989), Métriques de Carnot-Carathéodory et quasiisométries des espaces symétriques de rang un,Annals of Mathematics, Second Series,129 (1): 1 – 60","venue":null,"work_id":"f9a8ea9c-9025-4915-acfd-b1aa6d4d8af3","year":1989},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.562166Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:2f445627adb309b9cc9cd47af238810aa34618c21e9e9bd6e119153e7cbe88f0","observation_id":"ab887b91-278f-4b21-803b-cca6398394b1","resolution":{"observed_at":"2026-08-14T15:32:47.691237Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:32:47.671505Z","title":"Penrose, (1967), Twistor algebra,J","venue":null,"work_id":"e8937ef3-793e-4327-9a3f-503d043b4e06","year":1967},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.566107Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:fa0fe6b8e793526dff395e25e758fd168c222192e6048b3e50bd236bb1975a49","observation_id":"aa98b6c3-1591-4c7e-b8dd-0de3dacdcef3","resolution":{"observed_at":"2026-08-14T15:32:47.676282Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:32:47.570483Z","title":"(1990).Twistor Geometry and Field Theory(Cambridge Monographs on Mathematical Physics)","venue":null,"work_id":null,"year":1990},"citing_paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T15:32:47.570483Z"},"links":{"citing_paper":"/paper/1908.01169"},"observation_digest":"sha256:6564d74a186c735432976051df94c7a6def0e84d0c592e9803af31a1e9e98d9d","observation_id":"50a7eb35-e8c6-4048-ade0-0827baf04f37","resolution":{"observed_at":"2026-08-14T15:32:47.570483Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"1908.01169","last_updated":"2019-08-08T11:48:46Z","latest_version":2,"primary_category":"math.DG","snapshot_observed_at":"2026-08-16T05:21:09.363064Z","submitted_at":"2019-08-03T13:18:51Z","title":"A car as parabolic geometry"},"reference_resolution":{"displayed":21,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":12,"verified_exact":0,"verified_fuzzy":9},"total_outbound_references":21},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 21 of 21 outbound references and 1 inbound Pith citation observation for arXiv:1908.01169."}