{"as_of":"2026-08-11T07:12:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:0f331f0fa595663b01d9e36b51d64c701f264f1e38ba12bfb37cc924f5dfb389","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":"2026-08-11T06:34:44.6726+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":"2026-06-27T15:17:23.766182Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":1,"source":"pith","source_observed_at":"2026-08-05T02:28:24.338817Z","state":"measured"}],"external_citation_measurements":[{"count":12,"observed_at":"2026-08-05T02:28:24.338817Z","source":"pith"}],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1902.04553","last_updated":"2019-02-12T18:55:31Z","snapshot_observed_at":"2026-08-03T08:03:08.904504Z","submitted_at":"2019-02-12T18:55:31Z","title":"Maximum Likelihood Estimation for Learning Populations of Parameters","version":1},"cited_work":{"arxiv_id":"1902.04553","doi":"10.48550/arxiv.1902.04553","metadata_source":"pith","pith_arxiv_id":"1902.04553","snapshot_observed_at":"2026-08-05T02:49:54.815029Z","title":"Maximum Likelihood Estimation for Learning Populations of Parameters","venue":"math.ST","work_id":"a73d1c8d-2cf7-49ca-8a8a-c2e28a099b5e","year":2019},"citing_paper":{"arxiv_id":"2606.10096","last_updated":"2026-06-08T19:22:01Z","snapshot_observed_at":"2026-08-01T23:11:40.342721Z","submitted_at":"2026-06-08T19:22:01Z","title":"Estimating the Wasserstein barycenter of one-dimensional distributions under sparse sampling","version":1},"reference_index":33,"source":"arxiv_source","source_observed_at":"2026-06-27T15:17:23.766182Z"},"links":{"cited_paper":"/paper/1902.04553","citing_paper":"/paper/2606.10096"},"observation_digest":"sha256:23b104b91bf26a0d0a420e554cf39621cb3eafb96863a8177d9fe0a07071e446","observation_id":"b12c702b-7355-4074-9afa-dc1e84eb18ab","resolution":{"observed_at":"2026-06-27T15:21:00.203091Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1902.04553/citation-record","integrity":"/paper/1902.04553/integrity","json":"/paper/1902.04553/citation-record.json","paper":"/paper/1902.04553"},"outbound":[],"paper":{"arxiv_id":"1902.04553","last_updated":"2019-02-12T18:55:31Z","latest_version":1,"primary_category":"math.ST","snapshot_observed_at":"2026-08-03T08:03:08.904504Z","submitted_at":"2019-02-12T18:55:31Z","title":"Maximum Likelihood Estimation for Learning Populations of Parameters"},"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":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1902.04553."}