{"as_of":"2026-08-15T10:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f96060f2b2ca0b7e8cced7331fb75bea18de0571f52ff5abec16ee7826ebeb99","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":"2026-08-15T06:32:42.880941+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":"2026-08-12T20:54:26.150458Z","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":"2026-08-12T20:54:26.304487Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2108.03357","last_updated":"2022-07-24T16:30:36Z","snapshot_observed_at":"2026-08-13T18:32:44.175449Z","submitted_at":"2021-08-07T03:26:16Z","title":"A Survey on Cross-domain Recommendation: Taxonomies, Methods, and Future Directions","version":2},"cited_work":{"arxiv_id":"2108.03357","doi":null,"metadata_source":"pith","pith_arxiv_id":"2108.03357","snapshot_observed_at":"2026-08-12T20:54:26.304487Z","title":"A Survey on Cross-domain Recommendation: Taxonomies, Methods, and Future Directions","venue":"cs.IR","work_id":"72acf4a5-f09f-4261-a90f-8658ff54ab39","year":2021},"citing_paper":{"arxiv_id":"2411.09286","last_updated":"2024-11-14T08:53:23Z","snapshot_observed_at":"2026-08-15T03:40:38.208659Z","submitted_at":"2024-11-14T08:53:23Z","title":"A Centralized-Distributed Transfer Model for Cross-Domain Recommendation Based on Multi-Source Heterogeneous Transfer Learning","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-12T20:54:26.150458Z"},"links":{"cited_paper":"/paper/2108.03357","citing_paper":"/paper/2411.09286"},"observation_digest":"sha256:d721a6549dc11d00acff7b0464dba3c4bf61503acc0c74178e3f66fa1786dff8","observation_id":"fac0e438-fe63-4f68-8457-ca245c139053","resolution":{"observed_at":"2026-08-12T20:54:26.308319Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2108.03357/citation-record","integrity":"/paper/2108.03357/integrity","json":"/paper/2108.03357/citation-record.json","paper":"/paper/2108.03357"},"outbound":[],"paper":{"arxiv_id":"2108.03357","last_updated":"2022-07-24T16:30:36Z","latest_version":2,"primary_category":"cs.IR","snapshot_observed_at":"2026-08-13T18:32:44.175449Z","submitted_at":"2021-08-07T03:26:16Z","title":"A Survey on Cross-domain Recommendation: Taxonomies, Methods, and Future Directions"},"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":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2108.03357."}