{"as_of":"2026-08-17T01:28:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:245d314df115b306cb9873e792f3c55b91073fc950174bfca317dc348cfd3160","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":"2026-08-16T06:30:59.297886+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":"2026-08-14T13:53:25.814954Z","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":"2026-08-14T13:53:26.015840Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1801.08601","last_updated":"2018-02-14T06:02:35Z","snapshot_observed_at":"2026-08-14T19:51:55.100556Z","submitted_at":"2018-01-25T21:36:47Z","title":"MmWave Channel Estimation via Atomic Norm Minimization for Multi-User Hybrid Precoding","version":3},"cited_work":{"arxiv_id":"1801.08601","doi":null,"metadata_source":"pith","pith_arxiv_id":"1801.08601","snapshot_observed_at":"2026-08-14T13:53:26.015840Z","title":"MmWave Channel Estimation via Atomic Norm Minimization for Multi-User Hybrid Precoding","venue":"cs.IT","work_id":"319955dd-85af-4f7b-a34a-bbd1a40cd610","year":2018},"citing_paper":{"arxiv_id":"1908.04278","last_updated":"2019-08-12T17:42:19Z","snapshot_observed_at":"2026-08-17T00:19:12.893471Z","submitted_at":"2019-08-12T17:42:19Z","title":"A Frequency Domain Channel Estimation Based on Atomic Norm Minimization for Frequency Selective MmWave MIMO Systems","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T13:53:25.814954Z"},"links":{"cited_paper":"/paper/1801.08601","citing_paper":"/paper/1908.04278"},"observation_digest":"sha256:4d8c0dfdc81e19cc291b679bc2c41a675f8b683913594f15a33bfea54d0bef49","observation_id":"a6e919aa-c0cc-497f-a8d9-d597dc82c304","resolution":{"observed_at":"2026-08-14T13:53:26.042590Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1801.08601/citation-record","integrity":"/paper/1801.08601/integrity","json":"/paper/1801.08601/citation-record.json","paper":"/paper/1801.08601"},"outbound":[],"paper":{"arxiv_id":"1801.08601","last_updated":"2018-02-14T06:02:35Z","latest_version":3,"primary_category":"cs.IT","snapshot_observed_at":"2026-08-14T19:51:55.100556Z","submitted_at":"2018-01-25T21:36:47Z","title":"MmWave Channel Estimation via Atomic Norm Minimization for Multi-User Hybrid Precoding"},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 17 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1801.08601."}