{"as_of":"2026-08-12T09:27:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:d4073371ac11b918182df911928abda54b806594690955f9245d973d2b94b169","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-12T06:34:41.77262+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T23:57:04.225665Z","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":"2026-05-24T06:56:02.412147Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2107.12365","last_updated":"2024-02-28T17:22:09Z","snapshot_observed_at":"2026-07-06T11:32:37.657047Z","submitted_at":"2021-07-26T17:59:01Z","title":"Inference for Heteroskedastic PCA with Missing Data","version":2},"cited_work":{"arxiv_id":"2107.12365","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2107.12365","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Inference for Heteroskedastic PCA with Missing Data","venue":null,"work_id":"2880ef63-8f9c-4268-b930-832fa2c3fce6","year":2021},"citing_paper":{"arxiv_id":"2308.02480","last_updated":"2026-05-07T22:30:12Z","snapshot_observed_at":"2026-08-02T17:38:15.357499Z","submitted_at":"2023-08-04T17:48:10Z","title":"Statistical Inference for Linear Functions of Eigenvectors with Small Eigengaps","version":3},"reference_index":78,"source":"arxiv_source","source_observed_at":"2026-05-24T06:55:46.702025Z"},"links":{"cited_paper":"/paper/2107.12365","citing_paper":"/paper/2308.02480"},"observation_digest":"sha256:5d9b5a13d535dc54495e4f8606478ef76b125b09f8764c69fd36de6949729c6a","observation_id":"785cdd3a-8368-462b-9328-e2adff977726","resolution":{"observed_at":"2026-05-24T06:56:02.415205Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2107.12365","last_updated":"2024-02-28T17:22:09Z","snapshot_observed_at":"2026-07-06T11:32:37.657047Z","submitted_at":"2021-07-26T17:59:01Z","title":"Inference for Heteroskedastic PCA with Missing Data","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2107.12365","snapshot_observed_at":"2026-08-10T23:57:04.225665Z","title":null,"venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2412.19796","last_updated":"2024-12-27T18:51:15Z","snapshot_observed_at":"2026-08-11T03:00:22.407587Z","submitted_at":"2024-12-27T18:51:15Z","title":"Generalized Grade-of-Membership Estimation for High-dimensional Locally Dependent Data","version":1},"reference_index":64,"source":"arxiv_source","source_observed_at":"2026-08-10T23:57:04.225665Z"},"links":{"cited_paper":"/paper/2107.12365","citing_paper":"/paper/2412.19796"},"observation_digest":"sha256:9c577bfd06513739980c1dbc5af3831678082e210e808eca2b6f0eb51e5f6096","observation_id":"f6cdb823-a1a8-4a81-a412-040eec82f9cb","resolution":{"observed_at":"2026-08-10T23:57:04.225665Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2107.12365/citation-record","integrity":"/paper/2107.12365/integrity","json":"/paper/2107.12365/citation-record.json","paper":"/paper/2107.12365"},"outbound":[],"paper":{"arxiv_id":"2107.12365","last_updated":"2024-02-28T17:22:09Z","latest_version":2,"primary_category":"math.ST","snapshot_observed_at":"2026-07-06T11:32:37.657047Z","submitted_at":"2021-07-26T17:59:01Z","title":"Inference for Heteroskedastic PCA with Missing Data"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"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":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"thesis":"As of 12 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2107.12365."}