{"as_of":"2026-08-17T03:08:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f419abaab678c4f58e68414c81990b91215bf263d08cda77d71cce2102f8c8d4","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":"2026-08-14T11:25:29.089936Z","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":"2026-06-26T11:27:33.946676Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-07-04T08:39:41.250230Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"cited_work":{"arxiv_id":"1908.09237","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1908.09237","snapshot_observed_at":"2026-07-04T08:39:41.250230Z","title":"arXiv preprint arXiv:1908.09237 , year=","venue":null,"work_id":"f5fc8dbf-ce41-427a-86b4-b71aca9b04d9","year":1908},"citing_paper":{"arxiv_id":"2606.22165","last_updated":"2026-06-20T17:55:48Z","snapshot_observed_at":"2026-08-16T10:57:46.654835Z","submitted_at":"2026-06-20T17:55:48Z","title":"Cumulative Natural Direct and Indirect Effects for Causal Mediation Analysis","version":1},"reference_index":157,"source":"arxiv_source","source_observed_at":"2026-06-26T11:27:33.946676Z"},"links":{"cited_paper":"/paper/1908.09237","citing_paper":"/paper/2606.22165"},"observation_digest":"sha256:759c77860ba7e911f1523b5fe384a16633b82074c33002588c3bcf089bc2d3fd","observation_id":"430764d0-4953-4d69-809d-40fdc6134e30","resolution":{"observed_at":"2026-07-04T08:39:41.251999Z","resolver_source":"arxiv_id","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/1908.09237/citation-record","integrity":"/paper/1908.09237/integrity","json":"/paper/1908.09237/citation-record.json","paper":"/paper/1908.09237"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.724815Z","title":"APACrefauthors \\ 2002","venue":null,"work_id":"9cb00375-d038-4f8b-a9a5-e405ff4e25c9","year":2002},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":1,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.005700Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:176f7e60335d5b39b566350453c67f53e21d4170fa68751cd7594ddb5c51c946","observation_id":"fe0a9b7d-7e5f-4de6-8591-76d23212fa12","resolution":{"observed_at":"2026-08-14T11:25:29.728278Z","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":"stable/2311659","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.577843Z","title":"\\ Renault, E","venue":null,"work_id":"7687aef8-716d-4337-a12e-73710597f5a8","year":2009},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":2,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.009633Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:1435c0201c65c75e3b8ad75b2f467e7501ebc06b893f24fc65cb58a32247a975","observation_id":"59193f88-ffe8-4e8a-8a04-822dd2c9c8c4","resolution":{"observed_at":"2026-08-14T11:25:29.584338Z","resolver_source":"raw_fallback","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.013540Z","title":"\\ Imbens, G W","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":3,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.013540Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:36185a6f77605a231a86f38ecc23b04424260f83ce70226478d6ba824da23e89","observation_id":"d348203c-de2c-4cb0-bc27-aeb47909c5ec","resolution":{"observed_at":"2026-08-14T11:25:29.013540Z","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":"2026-08-14T11:25:29.713805Z","title":null,"venue":null,"work_id":"1646ade3-7c5f-4e6d-bc61-98b55e4b1645","year":2006},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":4,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.016961Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:cf1321dbed4e9b3dba3700cdbdbe203f1829317d859e9c4f4bb1999cccb0c13d","observation_id":"f59f7d5c-3d7f-4583-9359-77cc07fe235a","resolution":{"observed_at":"2026-08-14T11:25:29.717105Z","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":"stable/2053243","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.508067Z","title":"APACrefauthors \\ 2009","venue":null,"work_id":"17246721-6da9-4615-b416-e018ba976c47","year":2009},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":5,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.021378Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:afa0086c4d64172543023f518b639d2e0f6594c4338ee3555dea4431d27c568f","observation_id":"d208d419-30a2-434a-882b-b70d537a53e2","resolution":{"observed_at":"2026-08-14T11:25:29.513992Z","resolver_source":"raw_fallback","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":"2026-08-14T11:25:29.700288Z","title":"\\ Fan, Q","venue":null,"work_id":"60ff7032-3857-4b7b-a292-096020e458f9","year":2010},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":6,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.025009Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:5a9b11d6d84301ed8228025922a708a74e86a63ab1417ced8e166099544c6d5c","observation_id":"0f8efe0a-456c-4c94-923c-4364b2475b1e","resolution":{"observed_at":"2026-08-14T11:25:29.704362Z","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":"2026-08-14T11:25:29.690357Z","title":"APACrefauthors \\ 2012","venue":null,"work_id":"b3bd7e60-27ef-4456-89e9-1d2416646cc0","year":2012},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":8,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.032434Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:86a94d80c4715b32388c6974abf6bf605bfec49b140db6661a628cf73d4d0f34","observation_id":"a2449ec4-64a1-4c8e-a87f-886ecabe3a56","resolution":{"observed_at":"2026-08-14T11:25:29.693757Z","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":"2026-08-14T11:25:29.678562Z","title":"\\ Florens, J P","venue":null,"work_id":"e53b7a0b-f425-4084-b0ba-58cb9daf7ed4","year":2000},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":9,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.035541Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:9e7e523c028f92ddb58f7fedab1e4b0472a0715dd07cca71f11b94a9109d1169","observation_id":"a4bc035e-3baa-47f6-a786-f4b53f80ac96","resolution":{"observed_at":"2026-08-14T11:25:29.683074Z","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":"2026-08-14T11:25:29.666296Z","title":", Florens, J P","venue":null,"work_id":"ebd9e4da-0736-4af7-8420-cf1070acda18","year":2007},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":10,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.038641Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:f13d19c51ff0bf66abc47beb3cda4e614cf8a4373d272efc2cbc03a965cb50a5","observation_id":"a99c6803-8b6d-4e8e-87f6-b93f689b282e","resolution":{"observed_at":"2026-08-14T11:25:29.670630Z","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":"4938.2015","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.447077Z","title":"\\ Tchuente, G","venue":null,"work_id":"6ee95157-4204-469d-8d95-f3ee9de79d18","year":2015},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":11,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.041953Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:7d5dc4a7e8db1f9964b634c5f81bd843ee787bbed082327ef2166b5fdb768a2e","observation_id":"f487b5ac-cabe-49cf-bc7b-3a7f5471ecd0","resolution":{"observed_at":"2026-08-14T11:25:29.454124Z","resolver_source":"raw_fallback","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":"stable/2692218","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.379672Z","title":"\\ Newey, W K","venue":null,"work_id":"fa82178d-ce21-49b9-9b30-9d2f6708ed6f","year":2001},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":12,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.045488Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:64e3b03fe2caed43928e7abf753ad801b032d562c0e6d6c92cf22af45e1966d9","observation_id":"79c4b6f6-4912-485b-8536-1a5bc99351b1","resolution":{"observed_at":"2026-08-14T11:25:29.384791Z","resolver_source":"raw_fallback","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.049199Z","title":", Demirer, M","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":13,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.049199Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:4934ed3655b8f5490fb72b8502129ebecafeddc626d19000e23508680c01129c","observation_id":"1e039041-7829-4db0-86d4-3fd03cf541bb","resolution":{"observed_at":"2026-08-14T11:25:29.049199Z","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":"2026-08-14T11:25:29.654337Z","title":", Heaton, J","venue":null,"work_id":"d5a34f87-1d97-4ff3-ab35-936727fdce8c","year":1996},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":14,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.053009Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:6cc45f06ccb92b01a9173b4854f5add5570e95c87373b4606917b030d7f1f9f9","observation_id":"82408c48-580b-4a64-bed2-c969ade4c00f","resolution":{"observed_at":"2026-08-14T11:25:29.658199Z","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":"2026-08-14T11:25:29.640993Z","title":", Tibshirani, R","venue":null,"work_id":"e6ea3742-d9de-4f5e-af5e-2ac6483beecb","year":2009},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":15,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.055919Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:1a87ef5cb4abc56b7012e36c43db264a7616ba0562b308e001c85e034b754d91","observation_id":"549e6d9a-b55b-4626-8f4d-f8980e074e4e","resolution":{"observed_at":"2026-08-14T11:25:29.645685Z","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":"10.1214/009053607000000875","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.133604Z","title":", Horowitz, J L","venue":null,"work_id":"da02ee67-396f-4938-8349-4a8e0b9fc2c0","year":2008},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":16,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.059416Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:950c06c577a166efeab163039c162315d70144ec8db82b912482a647779cfe57","observation_id":"833cecbb-a653-48ae-ac96-90a68ca8cf9a","resolution":{"observed_at":"2026-08-14T11:25:29.136979Z","resolver_source":"doi","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.063596Z","title":"APACrefauthors \\ 1993","venue":null,"work_id":null,"year":1993},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":17,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.063596Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:7b07401681c90c844403b16963951e23bf18863d0039646b427f67b811697d7e","observation_id":"204db1e5-4799-414c-b797-2a8a4a897b13","resolution":{"observed_at":"2026-08-14T11:25:29.063596Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.066689Z","title":null,"venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":18,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.066689Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:ffd0a929205d9aa291aed90e7891969851ffb0fe88fd3bb3b3e324a28b435392","observation_id":"6580c32c-065f-4bb2-a051-0463b4e23f78","resolution":{"observed_at":"2026-08-14T11:25:29.066689Z","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":"stable/3533623","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.206989Z","title":"\\ Pötscher, B M","venue":null,"work_id":"9623b338-7742-450a-b58b-57c6afcb8b88","year":2005},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":19,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.070594Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:a67438865a2c40c8a5361a9100d7e6e952fa79cf26fde8efc2b73882d91d12cb","observation_id":"4906df4e-2bfa-45c3-a69f-23d66c00f61b","resolution":{"observed_at":"2026-08-14T11:25:29.213061Z","resolver_source":"raw_fallback","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":"10.1017/s0266466612000783","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.123621Z","title":"APACrefauthors \\ 2013","venue":null,"work_id":"fe5ed017-0b99-496a-a044-6d99d35da288","year":2013},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":20,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.074156Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:3a6073b29c3c9befdd6d838a4376921d68f07bdbf3eee345175e9313af0f5fe9","observation_id":"97a94e89-56b8-4a60-b498-4f26d37668f5","resolution":{"observed_at":"2026-08-14T11:25:29.126724Z","resolver_source":"doi","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":"2026-08-14T11:25:29.630496Z","title":"\\ Inoue, A","venue":null,"work_id":"a16491bd-51b9-4fc0-8d6f-dfeeaa08d7a6","year":2012},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":21,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.077401Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:e4b876aca505e7716a606bce862a40344251f66be2c702e37bd59994d26cd0c4","observation_id":"8005f3bb-379b-4fb3-b43c-522c7fcddef2","resolution":{"observed_at":"2026-08-14T11:25:29.633676Z","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":"10.1016/j.jeconom.2015.06.004","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:25:29.109848Z","title":"\\ Windmeijer, F","venue":null,"work_id":"d908e330-34bf-43fe-861a-754a4897d0a6","year":2016},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":22,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.080513Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:b1876273a6741c350e9f8659b855136882bd08e63e02edd7c1dfb73301ad2cf7","observation_id":"1ead5217-d021-4623-b5db-116b480ddf84","resolution":{"observed_at":"2026-08-14T11:25:29.115549Z","resolver_source":"doi","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":"2026-08-14T11:25:29.618461Z","title":"\\ Stock, J H","venue":null,"work_id":"b238c1d4-5586-4a0a-9bf7-abbbfe979c61","year":1997},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":23,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.083845Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:32631cf27ba49dd1540eef5479292e42c6c06c84e3b44b9a98a8bb78e5922661","observation_id":"f96691b2-ac55-4fd3-86c6-6c819300531f","resolution":{"observed_at":"2026-08-14T11:25:29.623134Z","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":"2026-08-14T11:25:29.604943Z","title":"\\ Wright, J H","venue":null,"work_id":"2baa7523-ebbd-4038-ba9a-58d336607d7f","year":2000},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":24,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.086912Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:ceb52ad6c222bdee33b700245717403857126be5fb7ee175f0a1a8b27fff942f","observation_id":"59b87690-2c36-4ad8-9346-66254cc3af90","resolution":{"observed_at":"2026-08-14T11:25:29.609787Z","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":"2026-08-14T11:25:29.592385Z","title":", Wright, J H","venue":null,"work_id":"f3b4118d-f2da-4f1e-b419-a166904d1db4","year":2012},"citing_paper":{"arxiv_id":"1908.09237","last_updated":"2019-08-25T00:09:10Z","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables","version":1},"reference_index":25,"source":"arxiv_source","source_observed_at":"2026-08-14T11:25:29.089936Z"},"links":{"citing_paper":"/paper/1908.09237"},"observation_digest":"sha256:0272517d81a5ea0f80f66b53eab03e7569609b1744e9c34a5a4c383787873933","observation_id":"abb9109f-8fb8-4c55-916f-e1fb05b891e7","resolution":{"observed_at":"2026-08-14T11:25:29.596097Z","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":"1908.09237","last_updated":"2019-08-25T00:09:10Z","latest_version":1,"primary_category":"econ.EM","snapshot_observed_at":"2026-08-16T11:43:19.938881Z","submitted_at":"2019-08-25T00:09:10Z","title":"The Ridge Path Estimator for Linear Instrumental Variables"},"reference_resolution":{"displayed":24,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":5,"verified_exact":8,"verified_fuzzy":11},"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 17 August 2026, this Paper Citation Record lists 24 of 24 outbound references and 1 inbound Pith citation observation for arXiv:1908.09237."}