{"as_of":"2026-08-22T07:05:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:46e7b06a5155652c604925fbad5f5aecb9aec2409c33808cfaa8e59c39f5c37f","coverage":[{"denominator":53,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":53,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T15:48:02.682073Z","state":"measured"},{"denominator":53,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":53,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-22T06:32:14.747728+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/1908.00646/citation-record","integrity":"/paper/1908.00646/integrity","json":"/paper/1908.00646/citation-record.json","paper":"/paper/1908.00646"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:48:04.316414Z","title":"Almeida, Z","venue":null,"work_id":"78d3a7a6-6075-46e4-8aa7-cc490560aec8","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.178945Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:f15499b50b12ce149ab7dbae7495a74b2333c0cf1529f14443b5c01f73e97919","observation_id":"c717188b-e431-402a-b681-e4f7b3d5a6ba","resolution":{"observed_at":"2026-08-14T15:48:04.324759Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.293617Z","title":"Anirudh, P","venue":null,"work_id":"4646cecf-deb9-4755-b700-799db460931e","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.186868Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:b102f6e8cc884ebfde7662ca8e007c56756d212604a11d422805b9fe8dac1be9","observation_id":"8cb4a2c6-99a7-4713-84f2-5bd92446b85f","resolution":{"observed_at":"2026-08-14T15:48:04.300657Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.262839Z","title":"Ben Amor, J","venue":null,"work_id":"3fa38812-af60-4916-aeb2-8477ed54a014","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.193993Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:b14f24ea0a708cc4c7dc9b47c9899b8d9048b7342ecf44161879f0db41ae2f9a","observation_id":"fd572a4e-eaba-46cf-9970-39bb6c7dd3ac","resolution":{"observed_at":"2026-08-14T15:48:04.271218Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.232458Z","title":"Bonnabel and R","venue":null,"work_id":"73cae9d7-7e0c-4d26-95a9-50f3989825bc","year":2009},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.201205Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:d42a8be19579ebd2dfbe929e41d71caeba1db7d77ef668c83d28b71e1157402e","observation_id":"fe1ff9bc-b379-431b-94ec-1e6b618fcb19","resolution":{"observed_at":"2026-08-14T15:48:04.241787Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.209510Z","title":"Boumal, B","venue":null,"work_id":"c55eeed4-1f34-4273-95c0-6e1ee3a8dbb6","year":2014},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.206775Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:8a1188e6e6caf591c62636227519c08be49c521842139c93c70e0591a3cad341","observation_id":"826d2681-7ca8-4108-b9fb-51e6071806c2","resolution":{"observed_at":"2026-08-14T15:48:04.215512Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1812.08008","last_updated":"2019-05-30T23:46:18Z","snapshot_observed_at":"2026-08-20T13:31:43.661125Z","submitted_at":"2018-12-18T18:50:33Z","title":"OpenPose: Realtime Multi-Person 2D Pose Estimation using Part Affinity Fields","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1812.08008","snapshot_observed_at":"2026-08-14T15:48:02.212416Z","title":null,"venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.212416Z"},"links":{"cited_paper":"/paper/1812.08008","citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:05046e353d6f21c9bf4dabc85361f2d43756676479dafd74780ad6da06564244","observation_id":"fd150a54-2b13-4829-a71b-812adc9eb525","resolution":{"observed_at":"2026-08-14T15:48:02.212416Z","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":"2026-08-14T15:48:04.190469Z","title":null,"venue":null,"work_id":"b5fa68cd-a812-48b9-afe1-08635cd28563","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.222343Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:dea54193bccb413954ba52eda86cdb4517ba5335d9f2abc262e13e255048223a","observation_id":"600b3d15-9705-496b-9bd1-70d1d3907ab3","resolution":{"observed_at":"2026-08-14T15:48:04.196634Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.156330Z","title":"Cuturi, J","venue":null,"work_id":"ba87b11d-d76e-4488-b90d-30c042d083cf","year":2007},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.228295Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:bae29453db49011924113b134a56b0386c08746d6cf290ed35845028974bda01","observation_id":"f2cc723f-5212-4dea-9f62-6fe14c10cc3d","resolution":{"observed_at":"2026-08-14T15:48:04.169390Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.125729Z","title":"Devanne, H","venue":null,"work_id":"196ad237-5f42-4231-a5e1-134caa7260ed","year":2015},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.240984Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:92e382c5eefda021071da49dbff0d9be36d70863705a905c8fe459ea18d7740d","observation_id":"e3b47b51-12fb-4663-a64e-8c6f30098ea9","resolution":{"observed_at":"2026-08-14T15:48:04.133673Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.094519Z","title":"Faraki, M","venue":null,"work_id":"849e1b4f-0e0f-495e-9f96-c0f5a3a24ce2","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.248647Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:a67ca44b21ee1712174884e771455e24af835c742ce9d9a6b27b2f0441ba73e1","observation_id":"2e52ee55-2c83-42d5-95f1-97ace55702b7","resolution":{"observed_at":"2026-08-14T15:48:04.100969Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1811.12013","last_updated":"2019-04-15T05:33:09Z","snapshot_observed_at":"2026-08-14T17:51:32.064748Z","submitted_at":"2018-11-29T08:36:18Z","title":"Optimized Skeleton-based Action Recognition via Sparsified Graph Regression","version":2},"cited_work":{"arxiv_id":"1811.12013","doi":null,"metadata_source":"pith","pith_arxiv_id":"1811.12013","snapshot_observed_at":"2026-08-14T15:48:02.833221Z","title":"Optimized Skeleton-based Action Recognition via Sparsified Graph Regression","venue":"cs.CV","work_id":"1f736f8e-ee93-4345-ad25-426304843fc2","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.255600Z"},"links":{"cited_paper":"/paper/1811.12013","citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:026e9509c5cefa402612cb0ec30f6f5ca99049bd26589d3cb1402330af9b2dcb","observation_id":"3f09ca8b-36fd-481b-ab34-4e728df1ae51","resolution":{"observed_at":"2026-08-14T15:48:02.839184Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.055365Z","title":"Gilbert, J","venue":null,"work_id":"5a8e2f93-788a-4e61-a31c-d72e1354df6c","year":2011},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.264021Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:179821533e34e022acc82c17bf430ead1964b1c7c8b199299dfe74d37713b211","observation_id":"453735d2-bb84-4c23-bbcb-5d52ced44202","resolution":{"observed_at":"2026-08-14T15:48:04.063213Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:04.022478Z","title":"Gousenbourger, E","venue":null,"work_id":"b63791f9-ba23-42bd-949f-12fb2bd321d9","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.279718Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:34ce4d354021b3435826724d7e33bc9dd966ac544f8627c1db3c2a1749a5ab34","observation_id":"4fb2803b-9714-4f67-94c1-5ad045c844ee","resolution":{"observed_at":"2026-08-14T15:48:04.030530Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.996498Z","title":"Gousenbourger, E","venue":null,"work_id":"67c6ec90-bf6e-4096-98e2-67d45cbc40ed","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.289802Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:769a2ff11c60354e6620dfa38c65aeb2aa02d02c2054adae46b907b560b09a3a","observation_id":"c56d7a8f-8e5f-418f-8683-cb0ce867d4cd","resolution":{"observed_at":"2026-08-14T15:48:04.004946Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.964414Z","title":"Gritai, Y","venue":null,"work_id":"2c5eec2c-7c06-42b8-a198-855885aaba87","year":2009},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.297692Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:945741fabdb7c17e79b374e9e88becff38c0cff3a6cc1544bf6e720305fd04a3","observation_id":"1ba1448a-390a-4766-b3bd-290355bc39c3","resolution":{"observed_at":"2026-08-14T15:48:03.974584Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.933269Z","title":"Jiang, Z","venue":null,"work_id":"328a5b2c-e92c-4c4f-8180-08799a26d4c2","year":2012},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.311277Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:e802ce8d8ed48773b2d2969de7b878d86dccd35562f80f22593f8bd4d9bdd627","observation_id":"7c671d7e-966f-476e-bda0-0b9a29b9323e","resolution":{"observed_at":"2026-08-14T15:48:03.943365Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.909898Z","title":"Journ ´ee, F","venue":null,"work_id":"bdd42a36-e696-4b0e-88c1-485463249d74","year":2010},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.318713Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:0ecb9aa874e767019b3e0eb5bbaa7d6c5d3bc086ab9ec2e3f5002db0225e5431","observation_id":"4e73b904-0655-4b31-b99e-c0a12f914c62","resolution":{"observed_at":"2026-08-14T15:48:03.917361Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.878919Z","title":"Kacem, M","venue":null,"work_id":"871e9007-4c80-4c63-a3eb-0d37a0ab91d3","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.329279Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:29f082f5ef92fe3e27f6523ab1bc9dce1821768086dc31b52f089c057bff8492","observation_id":"5420dbc0-b0b3-4219-9af1-a2eef82317ae","resolution":{"observed_at":"2026-08-14T15:48:03.886808Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.836932Z","title":"Kacem, M","venue":null,"work_id":"1a697224-25c3-4f88-874a-7d5edaf067b2","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.343626Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:c0341dd79b9c291f1f5fe9b867310d7d802247acce7c8aa4b9fcd93154f214f5","observation_id":"38d9d328-e050-4149-ad78-07e09bdc50e8","resolution":{"observed_at":"2026-08-14T15:48:03.849486Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.799295Z","title":null,"venue":null,"work_id":"cd19f19e-1e68-4e4d-9e26-d8056a503b01","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.351461Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:4d80dea2e507fbcdc502e2c36fa2c4147b222dfb081c601c30cdf0cb588732e5","observation_id":"980b4a06-f13d-424f-bc11-a9b48f116bcc","resolution":{"observed_at":"2026-08-14T15:48:03.804937Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1806.11230","last_updated":"2022-02-13T04:11:52Z","snapshot_observed_at":"2026-08-21T14:21:49.484697Z","submitted_at":"2018-06-28T23:43:42Z","title":"Human Action Recognition and Prediction: A Survey","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1806.11230","snapshot_observed_at":"2026-08-14T15:48:02.359294Z","title":"Kong and Y","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.359294Z"},"links":{"cited_paper":"/paper/1806.11230","citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:22ce11b0dd49bad4a4a51d237083b56cbca6e24565ec7e150b2291c850e36201","observation_id":"a52865d0-220f-4945-8236-4166ce70af99","resolution":{"observed_at":"2026-08-14T15:48:02.359294Z","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":"2026-08-14T15:48:03.758778Z","title":"Koniusz, A","venue":null,"work_id":"fd327243-08f7-4796-bff4-8ed9ef02c6eb","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.368952Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:598b9a3e59d6a8f59652d59395f7a7defb5b51f2561ee13a029007b41cfc2d5b","observation_id":"d999e175-e6ca-4eb1-bbc6-6237f9cfbc83","resolution":{"observed_at":"2026-08-14T15:48:03.784176Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.709906Z","title":null,"venue":null,"work_id":"0ea5703e-f5bb-4425-936e-2b5ba95e7a6c","year":2019},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.376793Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:c19a4d41ab1cf912f0c92c83391377f7d6c4f29932cff1731f1ee8b267276935","observation_id":"883244d3-e811-42b4-8abd-fb00a5fa5987","resolution":{"observed_at":"2026-08-14T15:48:03.729520Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.688980Z","title":null,"venue":null,"work_id":"2aa8074f-5f1c-487a-8c63-66e61fe38043","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.385763Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:23ba759ad5c1727f7f936f74ce410e6b1bfa3160f9cc17dfb45cb56d12dd9e47","observation_id":"7d64434e-89e4-46b7-8f6f-d3f362875458","resolution":{"observed_at":"2026-08-14T15:48:03.695131Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.667210Z","title":null,"venue":null,"work_id":"23c2a074-c57b-4b10-8c01-4bad668a2e61","year":2009},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.395947Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:7d463cb059afc375326c2dd2f28f606a93b25a801183cf345d6760cc7dc8b90b","observation_id":"b8783359-b774-4bcc-a7a3-4558a3bbcdd0","resolution":{"observed_at":"2026-08-14T15:48:03.675573Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.633459Z","title":null,"venue":null,"work_id":"b02b2b1b-7856-4e01-a330-055c17c2ac3f","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.405012Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:128405902d78bdb29c26c1db096df89c97061376d4ab7fa316fe48388f95690a","observation_id":"934e15e4-fba1-4f7d-bd75-014daffb4cdd","resolution":{"observed_at":"2026-08-14T15:48:03.641784Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.609942Z","title":null,"venue":null,"work_id":"d76b08bf-07ee-4e9f-9ffa-54ed5cf09012","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.412534Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:fcffa73e0aa656a8888e67aac1988767e22986f2145006f4d7cce639b2fc65e8","observation_id":"9b49e956-8a14-4592-8816-c6e453f2e861","resolution":{"observed_at":"2026-08-14T15:48:03.615275Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.585311Z","title":"Massart and P.-A","venue":null,"work_id":"50a8adfa-73df-4251-955a-e2b27f1f5433","year":null},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.419310Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:ca1fa106184ae4c35004159909fcf2a75611a13170fb95050781afd0bf948363","observation_id":"2dcb21d9-6ec4-4767-8c9e-9693c9fcffb4","resolution":{"observed_at":"2026-08-14T15:48:03.595514Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.544811Z","title":"Massart, P.-Y","venue":null,"work_id":"9007de03-fee2-479a-9374-310ca9919f2b","year":2019},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.431007Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:c0dfbfcd010aede13c838c631e0a3d0b0d4dfdefb70ca24f1c55177588b2c6d8","observation_id":"ae848020-9b48-427b-b728-46ce916bd3a1","resolution":{"observed_at":"2026-08-14T15:48:03.552965Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.519280Z","title":"Massart, J","venue":null,"work_id":"b3f4ae8c-ae7f-4bcc-902e-0fb8c044d0b9","year":2019},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.438136Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:b2404edac7d027e16d9354e1e4c466d46c737c53284c5b456fd9637473e8b3bc","observation_id":"b808d664-42fa-443a-9830-cb163a874419","resolution":{"observed_at":"2026-08-14T15:48:03.526654Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.484023Z","title":"Matikainen, M","venue":null,"work_id":"9607122e-b79f-4840-95d7-c3224f8570b7","year":2009},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.444749Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:ff540894e65b944b31ba6cbcabe5454542554adcf967e5120b3800887c112c33","observation_id":"981ecdf2-76eb-44b1-9662-e45bfeab3f74","resolution":{"observed_at":"2026-08-14T15:48:03.492558Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.448106Z","title":"Meyer, S","venue":null,"work_id":"9d66f9c0-9ad3-48f0-9d93-862ec4fcfe04","year":2011},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.453057Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:cb709eb8d9c057fa3af24e3a4984edfcd28206bd5264acb6aedbbff070807334","observation_id":"c75bc1c4-1140-4ba2-aec3-32ec88fa46b4","resolution":{"observed_at":"2026-08-14T15:48:03.458833Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1810.11392","last_updated":"2019-12-04T15:09:38Z","snapshot_observed_at":"2026-08-18T22:46:19.504999Z","submitted_at":"2018-10-25T15:00:20Z","title":"Automatic Analysis of Facial Expressions Based on Deep Covariance Trajectories","version":3},"cited_work":{"arxiv_id":"1810.11392","doi":null,"metadata_source":"pith","pith_arxiv_id":"1810.11392","snapshot_observed_at":"2026-08-14T15:48:02.754320Z","title":"Automatic Analysis of Facial Expressions Based on Deep Covariance Trajectories","venue":"cs.CV","work_id":"66360ecb-7609-477a-970b-0a00830afc6d","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.460815Z"},"links":{"cited_paper":"/paper/1810.11392","citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:5845b16b9704d94f58c894d152f250e83551a2ebbbf53923f992c9770e7594bb","observation_id":"38ffb839-525b-463b-a101-42f5a3212846","resolution":{"observed_at":"2026-08-14T15:48:02.773275Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.413292Z","title":"Otberdout, A","venue":null,"work_id":"6aba4cc0-9e06-4fac-b3f4-c9dd830f25bc","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.467602Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:5845aeb0485319d9b2c05f0dd4ecad7a5ef74950201823994da15a69f4af0e8a","observation_id":"8dd8b622-5e12-47cd-b03b-ed66761fe56d","resolution":{"observed_at":"2026-08-14T15:48:03.422615Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.386725Z","title":null,"venue":null,"work_id":"f5ae888e-2356-4f91-8fd7-207722ae2210","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.482606Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:5b66242fd8c210e57c4eaa6c311f081fbb50ae15f2e12b52210da5c64f55f044","observation_id":"34c65787-16d6-4e55-9c0e-04cc16f4c6c1","resolution":{"observed_at":"2026-08-14T15:48:03.398359Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.344727Z","title":"Raptis and S","venue":null,"work_id":"3f23b195-25f5-4e08-98ac-a0ee7ef8bb1a","year":2010},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.491664Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:3aa5a0a4db0e8ddf21709e2e3759431fb2e676d679368671918824ed9c42e16b","observation_id":"ed78c1e9-d4e0-4450-9257-81f7d2c163e3","resolution":{"observed_at":"2026-08-14T15:48:03.353148Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.316716Z","title":"Sch ¨uldt, I","venue":null,"work_id":"6c022277-0ce4-4638-ad72-2fdcfe13fbe8","year":2004},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.501858Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:d65238b392df3775f0dca36cd871bb591afe44d74a6be793746000165b187d10","observation_id":"7b615a24-a576-4821-8e07-0967adf85af9","resolution":{"observed_at":"2026-08-14T15:48:03.327286Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.294765Z","title":null,"venue":null,"work_id":"4a269c8f-1622-406e-9c17-3d19f97a16ce","year":2014},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.510334Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:8e9c15ded7bdfa874a906c8f712956113943a3538f77ba9ade83e212afd26f43","observation_id":"1781d9c0-9577-47df-8963-5b22f4805ba5","resolution":{"observed_at":"2026-08-14T15:48:03.302828Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.273109Z","title":null,"venue":null,"work_id":"e6c311cf-019f-4ee8-b050-4596b28c0641","year":2014},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.527273Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:881699c6323f9fb454c31a44da658a20666b3417447a585d86fd3316a0b6821e","observation_id":"89832e54-f8d1-49c4-8771-6709eab597cd","resolution":{"observed_at":"2026-08-14T15:48:03.280926Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.241620Z","title":null,"venue":null,"work_id":"2fad62cd-5432-45d3-96b6-3ae025be954d","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.538533Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:2f072aa1141a3a12adef41ecf79962662800aef090ce80dc6a775c8e6542fa0f","observation_id":"a250cd85-274c-4fa7-8379-e60df96f3bbd","resolution":{"observed_at":"2026-08-14T15:48:03.250961Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.206911Z","title":"Vandereycken, P.-A","venue":null,"work_id":"e4fad941-8265-4afc-b5fa-371b4b6e4390","year":2009},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.551188Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:69aa4cf41b7561fd24df4ff0a197936fe9516187a5ae4c2c444c4c351a21a2b5","observation_id":"b166f34f-b73c-4f59-ae7b-df5917efe5e8","resolution":{"observed_at":"2026-08-14T15:48:03.214758Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.189148Z","title":"Vandereycken, P.-A","venue":null,"work_id":"9fc78329-526a-4c6d-8af2-68bf6644ea0a","year":2013},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.559302Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:fa46ed945cc575ff1b3c3c0df322ab3a6bf350cf9f05c6b22db1826416166247","observation_id":"78ee2ea7-6272-4164-84ee-ddd5cc0535bb","resolution":{"observed_at":"2026-08-14T15:48:03.196660Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.162243Z","title":"Veeriah, N","venue":null,"work_id":"0cadd1b4-cd44-445a-be85-e4c5a4906972","year":2015},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.572598Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:f931e87ae2beff2bac6a54246590df338694f10f1487e5d3d4c7ec73f3d1cb4f","observation_id":"6c0ac9a4-86ed-49de-96ba-7affb1479965","resolution":{"observed_at":"2026-08-14T15:48:03.169523Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.140416Z","title":"Vemulapalli, F","venue":null,"work_id":"f4fc1adb-cf1b-4ff3-8591-52740c9fd963","year":2014},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.580065Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:9e2f85ed203bab5ac3af547940f48de0ffdaf5e31cd93e3942e2e9abbf54b671","observation_id":"9bfc6778-f745-42a4-959a-87dcedce32b1","resolution":{"observed_at":"2026-08-14T15:48:03.145548Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.118896Z","title":"Vemulapalli and R","venue":null,"work_id":"395368f1-39d9-4dd4-a7a7-c8c5c3084875","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.587674Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:5b4c23efcafe640b3247c6b7c44748509df3f526bf81f4360ecebd3ebec3f92e","observation_id":"853234f4-7f28-45fe-a9aa-7f12ca1615aa","resolution":{"observed_at":"2026-08-14T15:48:03.125804Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.089895Z","title":"Vrigkas, V","venue":null,"work_id":"d4a97f92-ae81-4d8b-9f9d-c041704e65b6","year":2014},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.595761Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:113b48b93d7d4e92f154c920dd09a0bdff974f18abdba0469957a3b5b3d8d1ec","observation_id":"923ec821-b564-49ca-9f95-ef08b3df5eb6","resolution":{"observed_at":"2026-08-14T15:48:03.096081Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.064204Z","title":null,"venue":null,"work_id":"255ef5bc-fac6-42c5-81f6-7465e5fab945","year":2011},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.604389Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:ab5dae8fe3d15b50aa565a6354d094a36d694b62bf30bec3623eca0633b6c0b1","observation_id":"a511a270-394a-46fd-95db-ba55c3e07314","resolution":{"observed_at":"2026-08-14T15:48:03.072514Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.040171Z","title":null,"venue":null,"work_id":"5992cccb-fb1d-43ec-87b8-2bd662495bca","year":2012},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.614909Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:5f92b39eb4e8fd89b7f370e52ca8d066402846bccf841e994c0a252b4aab452a","observation_id":"8987a84f-6dfe-4f17-ac89-0a6089c5f999","resolution":{"observed_at":"2026-08-14T15:48:03.046345Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:03.008636Z","title":null,"venue":null,"work_id":"e57656a0-b389-48ec-b7b5-618e7deec3d1","year":2018},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.629732Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:b0432b1ec904a5348fc2b66680a0f6a019fd445a06728b6fc8f9c67fd2ccf63b","observation_id":"6e6cb728-9115-4e7b-ac1e-18ec61eed858","resolution":{"observed_at":"2026-08-14T15:48:03.015402Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:02.986272Z","title":null,"venue":null,"work_id":"5f0a8166-e9b9-4113-badc-6cb9f1af4a0d","year":2017},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.640060Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:698224f3597a3af58869ad61687ee0e474d47b105924cb05ff47ed718863b1c5","observation_id":"71f8f960-b7cc-4fad-8aeb-639d523ca308","resolution":{"observed_at":"2026-08-14T15:48:02.993028Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:02.961637Z","title":null,"venue":null,"work_id":"c7ebf5e4-413e-4dc3-94d9-ddcedba91504","year":2010},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.645352Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:c8b451e27de68170958c62a109a94e360e079ba50eca004a97834467e874cdac","observation_id":"52c6588a-4a11-44e5-8fb7-549e7f9b9b07","resolution":{"observed_at":"2026-08-14T15:48:02.967743Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:02.916779Z","title":"Zhang, Y","venue":null,"work_id":"4b5110ff-1e45-481b-b2fc-6100804daf7c","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.655628Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:114b8fad0d884cf1ff7b95448a0396d160ec2eba64c654dea1dd5bc79b7b72a4","observation_id":"d1d6d02e-35c7-4a2a-9804-7d34e29b8116","resolution":{"observed_at":"2026-08-14T15:48:02.925308Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+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":"2026-08-14T15:48:02.886364Z","title":null,"venue":null,"work_id":"c7d1ae9c-2729-4fd1-a746-7dc837b11c74","year":2016},"citing_paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition","version":3},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-08-14T15:48:02.682073Z"},"links":{"citing_paper":"/paper/1908.00646"},"observation_digest":"sha256:349c11a3867e119df26e3ccf4288d47129db0d6c0a637caac75b94bd472e8396","observation_id":"e3ef45b0-2d4d-42e8-8f20-a8dff8ffa532","resolution":{"observed_at":"2026-08-14T15:48:02.896728Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1908.00646","last_updated":"2019-09-09T15:39:59Z","latest_version":3,"primary_category":"cs.CV","snapshot_observed_at":"2026-08-17T22:01:17.746503Z","submitted_at":"2019-08-01T22:25:24Z","title":"Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition"},"reference_resolution":{"displayed":53,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":19,"verified_exact":2,"verified_fuzzy":32},"total_outbound_references":53},"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":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"thesis":"As of 22 August 2026, this Paper Citation Record lists 53 of 53 outbound references and 0 inbound Pith citation observations for arXiv:1908.00646."}