{"as_of":"2026-08-07T22:34:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:e17c35de19dbe59015271fdfab84d99bdd2baca61d8bc2cab34b578630c158fb","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":"2026-08-07T06:34:17.273281+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":"2026-05-08T01:21:05.391234Z","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":"2026-05-11T23:11:15.563008Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2101.08954","last_updated":"2021-05-20T22:14:30Z","snapshot_observed_at":"2026-07-06T10:34:33.181329Z","submitted_at":"2021-01-22T05:19:49Z","title":"Bayesian hierarchical stacking: Some models are (somewhere) useful","version":2},"cited_work":{"arxiv_id":"2101.08954","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.08954","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"78a410a7-5f44-4457-9fe0-ee766bffcffc","year":2021},"citing_paper":{"arxiv_id":"2604.24172","last_updated":"2026-04-27T08:31:24Z","snapshot_observed_at":"2026-07-06T23:10:16.426836Z","submitted_at":"2026-04-27T08:31:24Z","title":"A Divergence-Based Method for Weighting and Averaging Model Predictions","version":1},"reference_index":54,"source":"arxiv_source","source_observed_at":"2026-05-08T01:21:05.391234Z"},"links":{"cited_paper":"/paper/2101.08954","citing_paper":"/paper/2604.24172"},"observation_digest":"sha256:4043d1d0f6fb0dc54e21ef2b0c39d5cb8c559101d2341ff2a67c4ee717a2294c","observation_id":"6334421b-2e60-4af5-8edb-3d2d130514a9","resolution":{"observed_at":"2026-05-11T23:11:15.566306Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2101.08954/citation-record","integrity":"/paper/2101.08954/integrity","json":"/paper/2101.08954/citation-record.json","paper":"/paper/2101.08954"},"outbound":[],"paper":{"arxiv_id":"2101.08954","last_updated":"2021-05-20T22:14:30Z","latest_version":2,"primary_category":"stat.ME","snapshot_observed_at":"2026-07-06T10:34:33.181329Z","submitted_at":"2021-01-22T05:19:49Z","title":"Bayesian hierarchical stacking: Some models are (somewhere) useful"},"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":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"thesis":"As of 7 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2101.08954."}