{"as_of":"2026-08-23T08:25:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:67d5617716c1e1f5c35b9436f526710774d7d70825d9beb7329e6dad3dceeb56","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":"2026-08-23T06:30:58.430688+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":"2026-08-05T21:16:06.226660Z","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":"2026-08-05T21:16:06.959415Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1808.03912","last_updated":"2018-08-12T08:56:06Z","snapshot_observed_at":"2026-08-14T18:42:09.795342Z","submitted_at":"2018-08-12T08:56:06Z","title":"Outer Product-based Neural Collaborative Filtering","version":1},"cited_work":{"arxiv_id":"1808.03912","doi":null,"metadata_source":"pith","pith_arxiv_id":"1808.03912","snapshot_observed_at":"2026-08-05T21:16:06.959415Z","title":"Outer Product-based Neural Collaborative Filtering","venue":"cs.IR","work_id":"a1ca0cca-3f23-46c6-be84-6d81cefdb1d2","year":2018},"citing_paper":{"arxiv_id":"2508.14911","last_updated":"2025-08-12T19:09:33Z","snapshot_observed_at":"2026-08-16T07:48:36.254294Z","submitted_at":"2025-08-12T19:09:33Z","title":"Personalized Recommendations via Active Utility-based Pairwise Sampling","version":1},"reference_index":2018,"source":"pdf_text","source_observed_at":"2026-08-05T21:16:06.226660Z"},"links":{"cited_paper":"/paper/1808.03912","citing_paper":"/paper/2508.14911"},"observation_digest":"sha256:b10045329e9435d43a51c8027cf14b04989029d4c65660e931b48e100b41df07","observation_id":"eb8977ee-4d35-4495-9ed3-ff26a3490fb3","resolution":{"observed_at":"2026-08-05T21:16:07.028977Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1808.03912/citation-record","integrity":"/paper/1808.03912/integrity","json":"/paper/1808.03912/citation-record.json","paper":"/paper/1808.03912"},"outbound":[],"paper":{"arxiv_id":"1808.03912","last_updated":"2018-08-12T08:56:06Z","latest_version":1,"primary_category":"cs.IR","snapshot_observed_at":"2026-08-14T18:42:09.795342Z","submitted_at":"2018-08-12T08:56:06Z","title":"Outer Product-based Neural Collaborative Filtering"},"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":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"thesis":"As of 23 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1808.03912."}