{"as_of":"2026-08-16T08:10:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:79e51791b17c0880430147ed830bef40bceb52567b253d73164f5092de6af579","coverage":[{"denominator":24,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":24,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T11:35:16.283779Z","state":"measured"},{"denominator":25,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":25,"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":"2026-08-14T11:35:16.179592Z","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":"2026-08-14T11:35:16.317756Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"cited_work":{"arxiv_id":"1908.08751","doi":null,"metadata_source":"pith","pith_arxiv_id":"1908.08751","snapshot_observed_at":"2026-08-14T11:35:16.317756Z","title":"Threaded rings that swim in excitable media","venue":"nlin.PS","work_id":"bc9ae21a-d0b0-4691-9a68-7c1f75566282","year":2019},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.179592Z"},"links":{"cited_paper":"/paper/1908.08751","citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:fd6aed21af18f2c22f19a898f7e764c526a5c8922a6b3d3a642532f2b55f067b","observation_id":"119a2ec4-f76c-4c3c-ab21-96c01dbe51e7","resolution":{"observed_at":"2026-08-14T11:35:16.324985Z","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/1908.08751/citation-record","integrity":"/paper/1908.08751/integrity","json":"/paper/1908.08751/citation-record.json","paper":"/paper/1908.08751"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:35:16.635830Z","title":"Winfree, The Geometry of Biological Time , Springer-Verlag, 2001","venue":null,"work_id":"86ecf882-5644-474f-8c5c-464e614c86d8","year":2001},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.187795Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:346ac55d6a3f8423facbe004b5b7bf195a70d48ee7a36748714a397089dab6b6","observation_id":"dba3e02a-5971-4825-a42f-92ccf5d9de57","resolution":{"observed_at":"2026-08-14T11:35:16.641251Z","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":"2026-08-14T11:35:16.621517Z","title":"Witkowski et al , Nature 392, 78 (1998)","venue":null,"work_id":"7f42eb7c-40c9-4d4f-8b38-62dd75b3045d","year":1998},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.192842Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:717f8d7fdf0cb10aa65893eac302127ab15779e0f2c57cc43de9cce2d90085a9","observation_id":"78615d04-8af7-48fb-9cf5-5f3e59bfeca6","resolution":{"observed_at":"2026-08-14T11:35:16.625625Z","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":"2026-08-14T11:35:16.607124Z","title":"Epstein and J.A","venue":null,"work_id":"744831cf-2dfc-4c86-b4ab-ebbdc5a07446","year":1998},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.198700Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:68cfc3af9262c6575f8893fda8aff3dd66493de20c18d8f874a059591028ec78","observation_id":"4f6ee7cf-b293-42c9-8299-e09a9e3e23b2","resolution":{"observed_at":"2026-08-14T11:35:16.611619Z","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":"2026-08-14T11:35:16.592425Z","title":"Burton et al., Nature Photonics 9, 813 (2015)","venue":null,"work_id":"6b982801-ca35-4549-b3cc-3163156cdefb","year":2015},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.203053Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:757849c68416d041b2f1221521769f583b95c91ececcc3e3564f561c205336f1","observation_id":"a78bdaaa-810c-4799-9e29-4fcece311758","resolution":{"observed_at":"2026-08-14T11:35:16.597424Z","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":"2026-08-14T11:35:16.573749Z","title":null,"venue":null,"work_id":"2fcaade7-76e6-4597-9878-1af97e0fe8a0","year":2016},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.208755Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:89e276cca52196dcb3c78228da375fa61ba574bb6fd656dac1fcd65b8ec93ab0","observation_id":"3c28ba26-92cd-4186-9f81-36a3015dd177","resolution":{"observed_at":"2026-08-14T11:35:16.578806Z","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":"2026-08-14T11:35:16.559381Z","title":"Winfree, Science 181, 937 (1973)","venue":null,"work_id":"f6a2ba94-a75d-4d3b-89ed-df5c96a1fc11","year":1973},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.214103Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:8b1a491458d255bb14592199fc56f38a191a707a159b95b04ede9e3b6000ab3d","observation_id":"b533f5ae-6f79-4231-9b46-454b030a5d4d","resolution":{"observed_at":"2026-08-14T11:35:16.563381Z","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":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"cited_work":{"arxiv_id":"1908.08751","doi":null,"metadata_source":"pith","pith_arxiv_id":"1908.08751","snapshot_observed_at":"2026-08-14T11:35:16.317756Z","title":"Threaded rings that swim in excitable media","venue":"nlin.PS","work_id":"bc9ae21a-d0b0-4691-9a68-7c1f75566282","year":2019},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.179592Z"},"links":{"cited_paper":"/paper/1908.08751","citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:fd6aed21af18f2c22f19a898f7e764c526a5c8922a6b3d3a642532f2b55f067b","observation_id":"119a2ec4-f76c-4c3c-ab21-96c01dbe51e7","resolution":{"observed_at":"2026-08-14T11:35:16.324985Z","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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:35:16.545146Z","title":"Azhand, J.F","venue":null,"work_id":"8fb6a80c-9b6f-4914-95f9-be0eb2450084","year":2014},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.218848Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:3be35f37d65de4cf8734cc617ff874480186b5ff520045df058290dec406adf1","observation_id":"f6dfdf0e-eaf0-4e0a-8121-7582902d77c2","resolution":{"observed_at":"2026-08-14T11:35:16.549319Z","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":"2026-08-14T11:35:16.531526Z","title":null,"venue":null,"work_id":"feca41d0-9ebf-47ea-8ca2-6f958e61a515","year":2015},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.222604Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:e7fa3adbb83646d3f8d4e4279708b08f54c3cb0da85843ced275c0a8e31ade53","observation_id":"50a9b98c-c895-4123-9901-a25ca494c569","resolution":{"observed_at":"2026-08-14T11:35:16.536055Z","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":"2026-08-14T11:35:16.518503Z","title":"Cherry and F.H","venue":null,"work_id":"91b55ef8-2103-4796-bade-02f39f05f02b","year":2011},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.227298Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:3e9d5608721aa87949dd6eabc580922d921442dfdec154d3212a7fae27a0cb5b","observation_id":"291bfb55-b172-4eda-a4c6-f1d401551005","resolution":{"observed_at":"2026-08-14T11:35:16.522178Z","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":"2026-08-14T11:35:16.506492Z","title":"Winfree and S.H","venue":null,"work_id":"56f08d1b-744d-4558-a58b-eb59f7c5109a","year":1984},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.231092Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:5468ba26a58d2ec9bbff7917eeec8264161de1ec851a9989535c94ea2101d1eb","observation_id":"6880b650-3861-4dc9-9b0a-4e02b3c65391","resolution":{"observed_at":"2026-08-14T11:35:16.510620Z","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":"2026-08-14T11:35:16.492577Z","title":"Winfree, SIAM Review 32, 1 (1990)","venue":null,"work_id":"8b34380d-0321-4ddb-b5d9-835d669dab19","year":1990},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.234897Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:9e51d64b03ab8fdd6fbf75b1ae12758da69ba7b7bf45b1a795b0a2fb40e57045","observation_id":"da373c79-f0cb-41d6-aba0-5bd404c0026a","resolution":{"observed_at":"2026-08-14T11:35:16.497553Z","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":"2026-08-14T11:35:16.479186Z","title":"Sutcliffe and A.T","venue":null,"work_id":"65c4a851-1935-41ab-b293-87ae9b209e69","year":2003},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.238534Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:4708c8570b5a73129a3850acd8d8761306ae97c4fc7e5b2d6b6a291d16278e2b","observation_id":"37785d2b-350b-47b5-b8c6-1a6fd6168552","resolution":{"observed_at":"2026-08-14T11:35:16.484387Z","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":"2026-08-14T11:35:16.466330Z","title":"Maucher and P.M","venue":null,"work_id":"2b12c44e-62a0-4e1b-b027-7918d15cd44e","year":2016},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.242788Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:54fce70e6d67e26d7b4677c7d2a3a9c227592a4d188655314c7c1aa6da49e913","observation_id":"0d9f459f-e758-4376-8cc5-c58f86c41d74","resolution":{"observed_at":"2026-08-14T11:35:16.470584Z","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":"2026-08-14T11:35:16.451586Z","title":"Maucher and P.M","venue":null,"work_id":"50399bcf-7165-41cc-913b-fcc11816d692","year":2017},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.246404Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:803c9657539fb3f524f9777405b3a2df4cb7ddbe5def16a216f5813c0ba6ba4d","observation_id":"64af9821-0aca-4c1b-8e30-b7a668dad747","resolution":{"observed_at":"2026-08-14T11:35:16.456632Z","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":"2026-08-14T11:35:16.438624Z","title":"Maucher and P.M","venue":null,"work_id":"62f0f00c-9840-4ab2-a458-46b3379e113a","year":2018},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.250352Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:104a2f72573880314f25317be6b7cc1ea3739fee01d087efb43a2347f8c016bc","observation_id":"3ecc2978-54e4-4820-8520-a156078b2a67","resolution":{"observed_at":"2026-08-14T11:35:16.442679Z","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":"2026-08-14T11:35:16.424559Z","title":"Maucher and P.M","venue":null,"work_id":"2b4b9cbf-a721-4d15-b3d5-093764a8486c","year":2019},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.255001Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:df8925dad798421d4bb08c88318446a8ad0fb37f698bdd25f6604e76a298bbc6","observation_id":"0a1a50ef-0f8a-456f-b339-9ae284ff199a","resolution":{"observed_at":"2026-08-14T11:35:16.429532Z","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":"2026-08-14T11:35:16.411854Z","title":"Binysh, C.A","venue":null,"work_id":"9652d912-054c-48e8-a319-29d7a29df882","year":2019},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.259552Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:5f89f1e6462a34ea3b798f55dd91754f492ef70ce32aa2b7f4fd1a1b8de94585","observation_id":"6e7b5de2-108f-40db-87dc-34f1e2cd555a","resolution":{"observed_at":"2026-08-14T11:35:16.415745Z","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":"2026-08-14T11:35:16.399608Z","title":"Bruns and J.F","venue":null,"work_id":"f5c1aea3-3657-47a1-bc39-c5c56b11b2e5","year":2017},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.263898Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:76827f5212487b2c398daf01dfa329597f91e244b843dc26d40a164e7e08d4d4","observation_id":"407ccc3b-6c4b-48f2-a571-e7d9367b67d4","resolution":{"observed_at":"2026-08-14T11:35:16.403886Z","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":"2026-08-14T11:35:16.386942Z","title":null,"venue":null,"work_id":"65d4b8a5-ffa4-4b65-8fae-bf606fa5ead8","year":1990},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.267651Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:056b818fc619335e41e1299ba1df4e0ee82cbba1e7714138cfd73e34fe39cd46","observation_id":"6e7ff9e8-ea10-4a19-a5f7-35743c34268e","resolution":{"observed_at":"2026-08-14T11:35:16.390905Z","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":"2026-08-14T11:35:16.374781Z","title":"Brandtst¨ adter, M","venue":null,"work_id":"ef8c5da9-e327-481e-8fb2-502401a5cbf1","year":2000},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.271410Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:d95cdeed11972313838d94dfb36908399f25f9f45c7095fbcec74f8b20896e74","observation_id":"0f715e22-e681-4b8e-a256-edf55eac809f","resolution":{"observed_at":"2026-08-14T11:35:16.378955Z","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":"2026-08-14T11:35:16.362121Z","title":null,"venue":null,"work_id":"40a6d470-d1d9-46ae-bb4d-4cea38a8df48","year":null},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.275713Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:c336ddb7b9c1f476a392e1cb31263c0aa0c415ea7cf674e0bf6467a8ee19f6c0","observation_id":"e5954155-d77c-4ba2-ab4d-4abcb0607cb6","resolution":{"observed_at":"2026-08-14T11:35:16.365996Z","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":"2026-08-14T11:35:16.348536Z","title":"Winfree, Physica D 84, 126 (1995)","venue":null,"work_id":"5c210a7f-b6c0-4613-a434-57320fcf2b86","year":1995},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.279973Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:8170ccfbd85915de1c18394392a9eb0a10313b490f207404ed1b332d6fd5479f","observation_id":"ceee2c69-4a51-46e0-8172-179c220c2c0f","resolution":{"observed_at":"2026-08-14T11:35:16.353369Z","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":"2026-08-14T11:35:16.334816Z","title":"Ruiz-Villarreal, M","venue":null,"work_id":"489a4f64-899c-40c7-8e4a-2360726fe37e","year":1996},"citing_paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media","version":2},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T11:35:16.283779Z"},"links":{"citing_paper":"/paper/1908.08751"},"observation_digest":"sha256:fbf304040c2138b6216ca85cf970a3274df2abb1467b5c6070189364b5ff2a7b","observation_id":"8da8496c-5ab6-4635-b819-c4095bc1bb8a","resolution":{"observed_at":"2026-08-14T11:35:16.339353Z","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"}}],"paper":{"arxiv_id":"1908.08751","last_updated":"2019-11-08T08:01:09Z","latest_version":2,"primary_category":"nlin.PS","snapshot_observed_at":"2026-08-16T04:36:16.468638Z","submitted_at":"2019-08-23T10:34:09Z","title":"Threaded rings that swim in excitable media"},"reference_resolution":{"displayed":24,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":4,"verified_exact":1,"verified_fuzzy":19},"total_outbound_references":24},"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 24 of 24 outbound references and 1 inbound Pith citation observation for arXiv:1908.08751."}