{"as_of":"2026-08-16T12:21:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:1926ddb178490f2aefd6e05d1d946201bc8d2014b5576e43455a0053ac18c418","coverage":[{"denominator":55,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":55,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T14:12:57.738413Z","state":"measured"},{"denominator":55,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":55,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+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/1908.03652/citation-record","integrity":"/paper/1908.03652/integrity","json":"/paper/1908.03652/citation-record.json","paper":"/paper/1908.03652"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.479747Z","title":null,"venue":null,"work_id":null,"year":2003},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":1,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.479747Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:1085ea160f3221d38a7ba6f662f59f373252d64cd0136eded4bac8cd13ecc3af","observation_id":"8a616d7a-ee72-4e66-a35b-de99e63ff58c","resolution":{"observed_at":"2026-08-14T14:12:57.479747Z","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":"2026-08-14T14:12:57.484999Z","title":"and Chen, X","venue":null,"work_id":null,"year":2003},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":2,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.484999Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:aa4dfd2e9c5b3c04f2c935a971ebf389328b322dde2f5f570251f00740f1f82f","observation_id":"4d0598b5-421a-4776-820a-b26ac3baf0b9","resolution":{"observed_at":"2026-08-14T14:12:57.484999Z","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":"2026-08-14T14:12:57.489630Z","title":"D., Imbens, G","venue":null,"work_id":null,"year":1996},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":3,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.489630Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:0f138baafe80cfbd9caeac28d61e1b04254e3e289b2a42a9932f2cbe4c3c95bf","observation_id":"e3ec3722-fa98-42d6-82a7-1a20680734be","resolution":{"observed_at":"2026-08-14T14:12:57.489630Z","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":"2026-08-14T14:12:57.494680Z","title":"and Imbens, G","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":4,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.494680Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:a6a6ce52343883eb7783b144e476d250d4a849970037189b8f4cc0b41ec1cb59","observation_id":"f8ee644c-44fb-4355-ac72-1fa07944f974","resolution":{"observed_at":"2026-08-14T14:12:57.494680Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1504.01132","last_updated":"2015-12-30T18:01:20Z","snapshot_observed_at":"2026-08-15T20:51:11.700288Z","submitted_at":"2015-04-05T16:01:44Z","title":"Recursive Partitioning for Heterogeneous Causal Effects","version":3},"cited_work":{"arxiv_id":"1504.01132","doi":null,"metadata_source":"pith","pith_arxiv_id":"1504.01132","snapshot_observed_at":"2026-08-14T14:12:57.861985Z","title":"Recursive Partitioning for Heterogeneous Causal Effects","venue":"stat.ML","work_id":"4b81d20f-f7ef-409b-bedb-f471e7228713","year":2015},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":5,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.499420Z"},"links":{"cited_paper":"/paper/1504.01132","citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:63562681fa5b003147e78e6884d7bed61a90b2b2f69f3d0802b78f543468fb19","observation_id":"344eaaaa-2345-4f45-940b-0a6bb12b977d","resolution":{"observed_at":"2026-08-14T14:12:57.866939Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.504813Z","title":null,"venue":null,"work_id":"66c50fe7-4203-48a1-9eb5-5cc0ac41e58f","year":2019},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":6,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.504480Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:884f70a4284e37acaf04c80b91b37bf4e4a1004da5e4c69314056a7804fd4c88","observation_id":"97d8c3f0-1939-4a32-a577-138a8fe53391","resolution":{"observed_at":"2026-08-14T14:12:58.509552Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.489274Z","title":null,"venue":null,"work_id":"f48294bb-b275-49c9-9a74-61124cde11d3","year":2014},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":7,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.510574Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:e2334c76a89259f7d2be01e2ad904e07fc2087e63d6d7c910c4667d8cdb3e28c","observation_id":"68f92b9c-5e7c-40ab-9d2f-e7c4aca85091","resolution":{"observed_at":"2026-08-14T14:12:58.494107Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.515360Z","title":"S., Lorch, S., and Rosenbaum, P","venue":null,"work_id":null,"year":2010},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":8,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.515360Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:3240b18e5ce886fd9a06f228655f69151559709d3b28486f30addbae2ab4dfe2","observation_id":"05390bc9-fc0f-4181-b146-abf9b119b4dc","resolution":{"observed_at":"2026-08-14T14:12:57.515360Z","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":"2026-08-14T14:12:57.519736Z","title":"and Pearl, J","venue":null,"work_id":null,"year":1997},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":9,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.519736Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:386d5131524a5c7dc03510eb3617c1de57e04a9306f11cf3a2bbb8e7942bb011","observation_id":"58321f23-0057-4d30-87db-1dd902909686","resolution":{"observed_at":"2026-08-14T14:12:57.519736Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1905.12707","last_updated":"2021-11-30T21:50:57Z","snapshot_observed_at":"2026-08-14T16:24:10.824500Z","submitted_at":"2019-05-29T20:25:34Z","title":"Heterogeneous causal effects with imperfect compliance: a Bayesian machine learning approach","version":4},"cited_work":{"arxiv_id":"1905.12707","doi":null,"metadata_source":"pith","pith_arxiv_id":"1905.12707","snapshot_observed_at":"2026-08-14T14:12:57.841144Z","title":"Heterogeneous causal effects with imperfect compliance: a Bayesian machine learning approach","venue":"stat.ME","work_id":"ed175c71-1a3e-4d9b-8fba-a4b926f5489e","year":2019},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":10,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.524793Z"},"links":{"cited_paper":"/paper/1905.12707","citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:948b55440deb52a8e58d854c190e3d443236e7d0fa2d2138bf411445e7fb4b3d","observation_id":"9dbff382-9679-41bf-beba-760c575b7381","resolution":{"observed_at":"2026-08-14T14:12:57.846482Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"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":"2026-08-14T14:12:58.453216Z","title":null,"venue":null,"work_id":"800382e9-ca9e-4374-89cf-ef6abaa585a1","year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":11,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.529450Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:332618d7e42800ec28b45afb3edb891c251936575081472e468b3f2ecbfdb7d0","observation_id":"6aab1072-f573-462a-9545-c74041bf3496","resolution":{"observed_at":"2026-08-14T14:12:58.458088Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.438518Z","title":null,"venue":null,"work_id":"df2edae0-4b94-44fa-b653-9e77584a8301","year":2007},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":12,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.534157Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:edb946baf0ce86ad4c9e8a4cc49832df13debd1dfd6a348193c793fec95db263","observation_id":"04981455-ac60-488a-a640-b8c78d2ca120","resolution":{"observed_at":"2026-08-14T14:12:58.443131Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.422630Z","title":"and Powell, J","venue":null,"work_id":"9df5e132-594b-40f3-b799-a544ea997db3","year":2003},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":13,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.538769Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:764dcbea0978b3566d3709fb831c134708d603821344d8674a84d5c5991c3789","observation_id":"3780a4b8-e6bb-4231-81d4-cd851b0188ac","resolution":{"observed_at":"2026-08-14T14:12:58.428002Z","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":"2026-08-14T14:12:58.406876Z","title":null,"venue":null,"work_id":"4e530b23-312c-40c5-8b15-7b5c7cade8bc","year":1984},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":14,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.543679Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:74d621749f31d18a555729031fffb0f1fd94fec162cc86b703ec782c5166fa70","observation_id":"d9cfc80e-3229-49f2-a6fa-831c80a6095f","resolution":{"observed_at":"2026-08-14T14:12:58.412162Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.548491Z","title":"and Pouzo, D","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":15,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.548491Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:6fae5eb0c33f5dabe84ff05f4aa4fe8a82a90ff38f813675dbcbcde578eb2534","observation_id":"a0509cdd-20f0-45c9-bb25-f6d747b9e847","resolution":{"observed_at":"2026-08-14T14:12:57.548491Z","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":"2026-08-14T14:12:58.382390Z","title":null,"venue":null,"work_id":"20c49074-9fe7-45e8-b474-9e5a9bc9ab38","year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":16,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.552726Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:a23fac703eac94b7fffaba19e180b87a8809ca380a2f1598f5de0f885d9f00f6","observation_id":"e1b70dd0-a2cd-46ec-a033-df383ccf6462","resolution":{"observed_at":"2026-08-14T14:12:58.386914Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.557315Z","title":null,"venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":17,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.557315Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:c5b68c7d8cec734b769905ca06bdc7a1fadd939f966a1f9625caa7c794900825","observation_id":"3c89396d-4b9f-45c8-bd89-c3c2dadf2a59","resolution":{"observed_at":"2026-08-14T14:12:57.557315Z","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":"2026-08-14T14:12:57.561855Z","title":null,"venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":18,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.561855Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:6096b14575a81d1c2604eb89380cb5d89e2a97267a384bda84593a1c6f1c9f04","observation_id":"89710cd0-347c-4e40-9afe-f932164845bf","resolution":{"observed_at":"2026-08-14T14:12:57.561855Z","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":"2026-08-14T14:12:58.348260Z","title":"P., Allen, H., Baicker, K., and Group, O","venue":null,"work_id":"bffcd385-b130-4052-86ac-ba1c91b9167e","year":2012},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":19,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.566235Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:01d2b8bf406c9a8d88bfb584921d1d0f6450226c8db4abe6e87c84cc60349f3f","observation_id":"04b63f38-6445-4f6c-bad7-1f928b96133a","resolution":{"observed_at":"2026-08-14T14:12:58.352768Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.571010Z","title":null,"venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":20,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.571010Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:a8fa9b27df3630a6babe38aa1c84f9500f952f72ce1784db0bde7d71d7423e15","observation_id":"36241984-ccf1-42c6-b261-bc8c91088da9","resolution":{"observed_at":"2026-08-14T14:12:57.571010Z","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":"2026-08-14T14:12:58.323360Z","title":null,"venue":null,"work_id":"0cd10b65-6553-4e2c-9b7f-44e7757782b2","year":2020},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":21,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.575503Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:58c912f32b122f6b589293049658e98b786bfd2c1c6aa08a2f656569908ed245","observation_id":"1215cf52-da9e-4846-9a55-a82e470788d8","resolution":{"observed_at":"2026-08-14T14:12:58.328682Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.308554Z","title":"B., Lee, K., Kelz, R","venue":null,"work_id":"bd3a6a71-3eb0-4191-9647-f31a40a9ee09","year":2020},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":22,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.580249Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:e589750170acc0b015e9f028b075b7ae98eabe47464a64d4ee029a98bd64045d","observation_id":"3b3a22d7-19cb-4414-b5fc-10ea87f8af51","resolution":{"observed_at":"2026-08-14T14:12:58.313194Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1706.09523","last_updated":"2019-11-13T06:16:38Z","snapshot_observed_at":"2026-08-16T12:12:42.185718Z","submitted_at":"2017-06-29T00:20:37Z","title":"Bayesian regression tree models for causal inference: regularization, confounding, and heterogeneous effects","version":4},"cited_work":{"arxiv_id":"1706.09523","doi":null,"metadata_source":"pith","pith_arxiv_id":"1706.09523","snapshot_observed_at":"2026-08-14T14:12:57.820053Z","title":"Bayesian regression tree models for causal inference: regularization, confounding, and heterogeneous effects","venue":"stat.ME","work_id":"b52c0956-64a9-4aa7-8759-fce01ee96118","year":2017},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":23,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.585056Z"},"links":{"cited_paper":"/paper/1706.09523","citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:99af8d85beaf8ae2d966db704670e299822ca647be4e6f6d09a034da361e476e","observation_id":"1189b8fe-6e3a-439e-bde7-3e4bcf63bcf8","resolution":{"observed_at":"2026-08-14T14:12:57.825489Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.293435Z","title":"and Horowitz, J","venue":null,"work_id":"aba9d2aa-ab1e-46c2-bad4-c851565f8e8f","year":2005},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":24,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.589813Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:257c50c7460b7479f98e714e56c84b7a6cee188c065d8be70c6f8d665ffe528b","observation_id":"7e0cc287-893c-4e87-adb5-1a0f66ef1223","resolution":{"observed_at":"2026-08-14T14:12:58.298177Z","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":"2026-08-14T14:12:58.278179Z","title":null,"venue":null,"work_id":"cc88a91d-c7b9-4a50-b5c8-d3d17a764dcd","year":2006},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":25,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.594288Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:7bb62b05706cd14b8289a19c0936495f56cd19474f5379a917f2d4de4186430b","observation_id":"df946b38-2fe7-42c4-a5f7-669c1e6e3f89","resolution":{"observed_at":"2026-08-14T14:12:58.282941Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.599030Z","title":null,"venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":26,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.599030Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:01ce24a6f05836d151a39e22c59d4980eb9a8c82918898ffeac07041244a21a8","observation_id":"9c93f770-90f5-4ad2-aa92-3d851874c595","resolution":{"observed_at":"2026-08-14T14:12:57.599030Z","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":"2026-08-14T14:12:58.253400Z","title":null,"venue":null,"work_id":"3126346b-95a7-439b-a0cf-7ccb111a7ee0","year":1963},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":27,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.603628Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:a1b5df72cde6cce8fceca44d1f985e9028275eaaec20920be1c544520701cb08","observation_id":"c846d78d-dcf4-4ca6-a298-e36122670e46","resolution":{"observed_at":"2026-08-14T14:12:58.257944Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.238550Z","title":"Y., Small, D","venue":null,"work_id":"bf4998ff-5d5e-4d84-8ae0-dd82fc3b6c92","year":2013},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":28,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.608441Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:86a06911c4e94848b4c915adc981a2e4a9a9777fdde8b6a21d471758c66dca4b","observation_id":"045b5e5f-30ab-4114-9830-5957a418877c","resolution":{"observed_at":"2026-08-14T14:12:58.243223Z","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":"2026-08-14T14:12:58.223691Z","title":"Y., Zubizarreta, J","venue":null,"work_id":"2005f23e-7da2-476b-bffd-24e7365c7760","year":2015},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":29,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.613130Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:56c47393d0bee222dadd531aa5cc4941fc73ecc6360a47f7828bda7bd55e1507","observation_id":"74288f1a-7b67-471f-bfa1-60e7ab0e5034","resolution":{"observed_at":"2026-08-14T14:12:58.228383Z","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":"2026-08-14T14:12:58.207455Z","title":null,"venue":null,"work_id":"342a59ad-1d15-4d25-a416-30837ade3a7d","year":2010},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":30,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.617670Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:8f2dd7d1ea8a03aea494a44a94856ac1a2d57385c3c72ba1dc567b32ac98c4dd","observation_id":"78961e14-dfa0-4397-a3d0-a5581d606647","resolution":{"observed_at":"2026-08-14T14:12:58.213074Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.190582Z","title":null,"venue":null,"work_id":"88afda74-1fac-4298-9889-d23d04385857","year":2013},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":31,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.622152Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:33b44a5d1632047f9c9ff74cea35ca20f0800170e7c0967bb8bfeb0f77bed56b","observation_id":"a03e55bc-0fc3-4aa1-88df-8319b9c5d8e3","resolution":{"observed_at":"2026-08-14T14:12:58.195884Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.175388Z","title":"S., et al","venue":null,"work_id":"9499d90e-85ee-4b01-90fe-abad439a617c","year":2016},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":32,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.627055Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:dbc6db112b62fea24bbce0c6727ff66885c8373bcf2a05554d457db41188291d","observation_id":"ac2ae8b2-4e70-43d8-9b19-5acd62ea05a4","resolution":{"observed_at":"2026-08-14T14:12:58.180069Z","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":"2026-08-14T14:12:58.160169Z","title":null,"venue":null,"work_id":"4b1a3e77-e0b2-4bb3-afdb-f2cdb998ede5","year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":33,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.632757Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:136f2b4cfa612f7a0110fc75e23957bb09d2262be4036bb6d708918d0bbfc587","observation_id":"7d6facb8-2ad2-4a5a-ac4c-00fe33c3e9c0","resolution":{"observed_at":"2026-08-14T14:12:58.164719Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1802.06710","last_updated":"2018-02-19T17:11:16Z","snapshot_observed_at":"2026-08-14T19:44:29.502735Z","submitted_at":"2018-02-19T17:11:16Z","title":"Discovering Effect Modification and Randomization Inference in Air Pollution Studies","version":1},"cited_work":{"arxiv_id":"1802.06710","doi":null,"metadata_source":"pith","pith_arxiv_id":"1802.06710","snapshot_observed_at":"2026-08-14T14:12:57.799055Z","title":"Discovering Effect Modification and Randomization Inference in Air Pollution Studies","venue":"stat.AP","work_id":"3d8f39f9-49ee-4ca3-b6d1-c0aa36a777ae","year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":34,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.637331Z"},"links":{"cited_paper":"/paper/1802.06710","citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:b0abab34742cfd01e1a720eee247cdf286a0356f9d2aea8779a6aa45fd15c612","observation_id":"e73ba061-62dc-4856-b019-0bf7debb66c1","resolution":{"observed_at":"2026-08-14T14:12:57.804146Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.145137Z","title":"S., Hsu, J","venue":null,"work_id":"01ed1ddd-957f-483d-a9b7-2dafb86411d2","year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":35,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.642424Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:20ed819e3ab4f8788189059cff2a92d8d55689d5ffb9f06ee5eda078ae6fbbc6","observation_id":"9f402ba7-c6f4-4e81-8e94-200d7decfae7","resolution":{"observed_at":"2026-08-14T14:12:58.149676Z","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":"2026-08-14T14:12:58.130234Z","title":"S., and Rosenbaum, P","venue":null,"work_id":"67fa5dc1-55cb-4876-a3d7-bbe9c92cd2c7","year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":36,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.648092Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:c4315f958ce4e0630b1fd51d3527814e99d72c9720f3d2404875f2b9afc99857","observation_id":"559a9211-bda1-4492-911a-4d5932ca8901","resolution":{"observed_at":"2026-08-14T14:12:58.134836Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.652743Z","title":null,"venue":null,"work_id":null,"year":1976},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":37,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.652743Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:4bf0a0a58ca435f16e78c9a7cab9e5a46c6d75ed65057caeb79855fa912dfe3d","observation_id":"962a9f96-24b0-413b-8cd1-f8623cc08afe","resolution":{"observed_at":"2026-08-14T14:12:57.652743Z","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":"2026-08-14T14:12:57.657373Z","title":null,"venue":null,"work_id":null,"year":2003},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":38,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.657373Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:6db9dffec096e8c760dc4dedcc2b0c630f75e1fe7d11ae57bfe07dab00000eb1","observation_id":"553969bd-a82c-4adc-a5b9-88612d6f7e78","resolution":{"observed_at":"2026-08-14T14:12:57.657373Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1908.04427","last_updated":"2023-09-11T23:59:43Z","snapshot_observed_at":"2026-08-16T06:26:36.119425Z","submitted_at":"2019-08-12T22:34:18Z","title":"A Groupwise Approach for Inferring Heterogeneous Treatment Effects in Causal Inference","version":6},"cited_work":{"arxiv_id":"1908.04427","doi":null,"metadata_source":"pith","pith_arxiv_id":"1908.04427","snapshot_observed_at":"2026-08-14T14:12:57.774763Z","title":"A Groupwise Approach for Inferring Heterogeneous Treatment Effects in Causal Inference","venue":"stat.ME","work_id":"db122c8b-0dd1-4644-a0ed-3a8d57c30f5a","year":2019},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":39,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.661995Z"},"links":{"cited_paper":"/paper/1908.04427","citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:ff2f3fd3c253bed7340f9c1b0803e12eb01c7db41c718dccaf2eed5fb3b0f4b3","observation_id":"ffd4063f-bf2e-4510-8398-eef6171e2cb0","resolution":{"observed_at":"2026-08-14T14:12:57.782459Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.094738Z","title":null,"venue":null,"work_id":"a881c281-8526-44f5-bf9f-f5149d0afb1f","year":2002},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":40,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.667111Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:af6820688e2b2f19f6015b5a1b109968a75531deb630908fe3cc1fa1b8c53dd0","observation_id":"588bc7da-57bb-4cad-bd36-e7dbf9c4174f","resolution":{"observed_at":"2026-08-14T14:12:58.100311Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.079506Z","title":null,"venue":null,"work_id":"a33dc83e-7fce-4622-b7d0-88727b00df8f","year":2002},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":41,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.671621Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:bdde141266f9041a936d94d346cc2eed1043fce79559d700174f15e2e1ef41ef","observation_id":"4b5c8f0f-686e-47d3-86e8-d89c5f3dda6f","resolution":{"observed_at":"2026-08-14T14:12:58.084293Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.063807Z","title":null,"venue":null,"work_id":"ca7efc38-b95c-4dac-9301-0a990f4316e1","year":2010},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":42,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.676252Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:a739bc87e329b2d494d88951506946b4b6b0850f52541e4fd8a8ffbb801afed6","observation_id":"cafb7170-2dac-4c22-a40f-a72fd6c940ed","resolution":{"observed_at":"2026-08-14T14:12:58.068974Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.047540Z","title":null,"venue":null,"work_id":"7a07fc64-252e-42c4-ba48-b850269628a7","year":2020},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":43,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.680924Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:99206a72a36acb4529dc4138fe1cb6fbf5fe7e679fb76bf054e54ecf684b2b9e","observation_id":"b7b7714d-1c09-462e-8b6a-19edb720cbf9","resolution":{"observed_at":"2026-08-14T14:12:58.052892Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.685728Z","title":null,"venue":null,"work_id":null,"year":1980},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":44,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.685728Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:da038b689b87635ee884305ad991e37da137027d336c179572d4940d59491a08","observation_id":"aa2a8057-0b32-4e8e-aa87-462b092b973d","resolution":{"observed_at":"2026-08-14T14:12:57.685728Z","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":"2026-08-14T14:12:58.021927Z","title":null,"venue":null,"work_id":"69a164f6-f1d6-443c-985f-86765ff126db","year":2001},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":45,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.690161Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:075bd0d99db1a025869a3e1572edc327104773540a8e366af2fc8516e5668997","observation_id":"de698460-4d93-48d3-bf94-f0e471e36312","resolution":{"observed_at":"2026-08-14T14:12:58.027115Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:58.006441Z","title":null,"venue":null,"work_id":"7cce4dd5-c27b-454f-8723-4e840babc99a","year":1997},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":46,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.695020Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:642ab3caf14f1e9d84ee431e7670bf7659f6d89fa6486c7caf00bad045043c26","observation_id":"50f4b357-e12f-4bb6-acf3-e04efdf33456","resolution":{"observed_at":"2026-08-14T14:12:58.011398Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.990917Z","title":"H., Wright, J","venue":null,"work_id":"57ad80b2-a5ce-4f89-abd3-b2d419a1e40a","year":2002},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":47,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.699664Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:e3cb7fb122128339b9e347e64bc7dc0ffdafe385d5b31a54b2ac0dc4e1294dbf","observation_id":"f9a14360-73cb-486c-bc82-5f51df235916","resolution":{"observed_at":"2026-08-14T14:12:57.995866Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.704184Z","title":null,"venue":null,"work_id":null,"year":2010},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":48,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.704184Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:e20800e4898e3f79a8ba92a885321b4fc8ac1e2bf80d75f8dec5260cae701367","observation_id":"c32c26c1-b1a8-491c-aa93-80f43d6ad58b","resolution":{"observed_at":"2026-08-14T14:12:57.704184Z","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":"2026-08-14T14:12:57.964217Z","title":null,"venue":null,"work_id":"be40e83c-4ae1-4c7e-a409-f05937273d90","year":2013},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":49,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.708720Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:4970ba802d72593f5f68a6d1d4db10c3904ebd391ea83d86d96f8954cbe54501","observation_id":"7bcbbd03-dd0f-4567-9bd5-34bceb320bd7","resolution":{"observed_at":"2026-08-14T14:12:57.968863Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.949243Z","title":"M., and Li, B","venue":null,"work_id":"67950218-c0f7-40b2-9ea9-612a41f1fa48","year":2009},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":50,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.713308Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:5f5c626caede63628e5ffac76c649277603dbd1a82809c62f81b420b1d204da0","observation_id":"c0753628-c9c7-404d-9902-b370e0889354","resolution":{"observed_at":"2026-08-14T14:12:57.953998Z","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":"2026-08-14T14:12:57.933445Z","title":null,"venue":null,"work_id":"0d9c7071-1c8c-40c1-a545-2fcf3b209ca8","year":2013},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":51,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.717922Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:0d7b538da771e4f9cf9ebab53e2c061dea23ab8cc41e4146c199954f4247e6f1","observation_id":"d84e32d1-059f-4703-a4f6-0f111b221120","resolution":{"observed_at":"2026-08-14T14:12:57.938293Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.918591Z","title":null,"venue":null,"work_id":"b99c0b25-bd9e-488a-b360-9f78817be879","year":2014},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":52,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.723397Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:094982ca97adbba0ca4b9166215ba8f0c712d5287bf7d9d013928bafa6b31843","observation_id":"486c00b9-df52-4bd1-9b91-ed6113d77f2e","resolution":{"observed_at":"2026-08-14T14:12:57.923140Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.904231Z","title":null,"venue":null,"work_id":"c123b121-f743-449f-bf5f-3028b27a4d53","year":2015},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":53,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.728599Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:10aef9008ad45237f0f09191134f00f531bdcfd93f6bd786c83de454c050b9d3","observation_id":"79279936-328c-484a-9353-1402ee98ca76","resolution":{"observed_at":"2026-08-14T14:12:57.908690Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:12:57.733496Z","title":"and Athey, S","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":54,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.733496Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:b827b3b0a2dc0e492b71b4529c634396b23c3cae89c5a07d53962ed54c24004f","observation_id":"6e12b050-2182-484e-9c7a-db17cbe192dc","resolution":{"observed_at":"2026-08-14T14:12:57.733496Z","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":"2026-08-14T14:12:57.877765Z","title":null,"venue":null,"work_id":"1ffb8eac-58ca-458f-b6a8-f0d42d2da9df","year":2019},"citing_paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables","version":2},"reference_index":55,"source":"arxiv_source","source_observed_at":"2026-08-14T14:12:57.738413Z"},"links":{"citing_paper":"/paper/1908.03652"},"observation_digest":"sha256:3f443d7fe2d55a8fc860e6e545f04eb92af430ec8063685d48e66dd00c914de9","observation_id":"fe911f68-df4c-43dc-b67a-e8776b17148a","resolution":{"observed_at":"2026-08-14T14:12:57.882931Z","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"}}],"paper":{"arxiv_id":"1908.03652","last_updated":"2021-01-19T17:05:17Z","latest_version":2,"primary_category":"stat.ME","snapshot_observed_at":"2026-08-16T04:43:14.439666Z","submitted_at":"2019-08-09T22:52:44Z","title":"Detecting Heterogeneous Treatment Effect with Instrumental Variables"},"reference_resolution":{"displayed":55,"state_counts":{"malformed_identifier":0,"metadata_mismatch":1,"parse_uncertain":0,"unresolved":39,"verified_exact":4,"verified_fuzzy":11},"total_outbound_references":55},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 55 of 55 outbound references and 0 inbound Pith citation observations for arXiv:1908.03652."}