{"as_of":"2026-08-14T19:52:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:a2ad156a45d472374057fb7c75d75e44d2cf20bba5e23eb4261149b306970639","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":1,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":1,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-14T06:32:32.682623+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T23:47:19.256179Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-10T23:47:19.855531Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2107.00371","last_updated":"2023-02-06T05:42:52Z","snapshot_observed_at":"2026-08-14T13:53:24.548835Z","submitted_at":"2021-07-01T11:15:20Z","title":"Sparse GCA and Thresholded Gradient Descent","version":2},"cited_work":{"arxiv_id":"2107.00371","doi":null,"metadata_source":"pith","pith_arxiv_id":"2107.00371","snapshot_observed_at":"2026-08-10T23:47:19.855531Z","title":"Sparse GCA and Thresholded Gradient Descent","venue":"stat.ML","work_id":"db9881e7-773a-46cc-a232-0e3906905936","year":2021},"citing_paper":{"arxiv_id":"2412.20008","last_updated":"2024-12-28T04:07:50Z","snapshot_observed_at":"2026-08-14T06:43:58.971017Z","submitted_at":"2024-12-28T04:07:50Z","title":"Stochastic optimization over expectation-formulated generalized Stiefel manifold","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-10T23:47:19.256179Z"},"links":{"cited_paper":"/paper/2107.00371","citing_paper":"/paper/2412.20008"},"observation_digest":"sha256:cbbd9217707f47ee2f7d9f08128fd9be7b686be0fac945ccb1b40b638e1f2096","observation_id":"2c86febf-dfa9-49ec-823e-7ab0e173f8b2","resolution":{"observed_at":"2026-08-10T23:47:19.862045Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-14T06:32:32.682623+00:00","source":"crossref"},{"observed_at":"2026-08-14T06:32:18.44784+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2107.00371/citation-record","integrity":"/paper/2107.00371/integrity","json":"/paper/2107.00371/citation-record.json","paper":"/paper/2107.00371"},"outbound":[],"paper":{"arxiv_id":"2107.00371","last_updated":"2023-02-06T05:42:52Z","latest_version":2,"primary_category":"stat.ML","snapshot_observed_at":"2026-08-14T13:53:24.548835Z","submitted_at":"2021-07-01T11:15:20Z","title":"Sparse GCA and Thresholded Gradient Descent"},"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":"2026-08-14T06:32:32.682623+00:00","source":"crossref"},{"observed_at":"2026-08-14T06:32:18.44784+00:00","source":"retraction_watch"}],"thesis":"As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2107.00371."}