{"as_of":"2026-08-14T15:53:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:25ee80bd2f4a8e3d99e1927e8c818e65fc49d1492e1da9a68bdf3504019d5f86","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":3,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":3,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-14T06:32:32.682623+00:00","state":"measured"},{"denominator":3,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":3,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T01:09:14.144097Z","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":"2026-05-22T18:46:56.617060Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1906.04459","last_updated":"2019-06-11T09:42:33Z","snapshot_observed_at":"2026-08-01T13:24:46.785156Z","submitted_at":"2019-06-11T09:42:33Z","title":"Classification of Radio Signals and HF Transmission Modes with Deep Learning","version":1},"cited_work":{"arxiv_id":"1906.04459","doi":null,"metadata_source":"pith","pith_arxiv_id":"1906.04459","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Classification of Radio Signals and HF Transmission Modes with Deep Learning","venue":"eess.SP","work_id":"49bde45e-5288-4af3-98f8-87c550569c03","year":2019},"citing_paper":{"arxiv_id":"2504.16119","last_updated":"2026-05-06T08:20:14Z","snapshot_observed_at":"2026-08-04T19:00:00.729801Z","submitted_at":"2025-04-19T02:31:32Z","title":"Microring Perceptron Sensing for Low-Power Radio-Frequency Detection with Quantum-Compatible Photonic Preprocessing","version":2},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-05-22T18:46:43.059096Z"},"links":{"cited_paper":"/paper/1906.04459","citing_paper":"/paper/2504.16119"},"observation_digest":"sha256:ee710a9f8c291c247e4a9919e918599c5002da57317364aeb2040cfc5f679b81","observation_id":"f40c2f3e-7c40-44f8-8b2c-e7b5c46dfd72","resolution":{"observed_at":"2026-05-22T18:46:56.624488Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-14T06:32:32.682623+00:00","source":"crossref"},{"observed_at":"2026-08-14T06:32:18.44784+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1906.04459","last_updated":"2019-06-11T09:42:33Z","snapshot_observed_at":"2026-08-01T13:24:46.785156Z","submitted_at":"2019-06-11T09:42:33Z","title":"Classification of Radio Signals and HF Transmission Modes with Deep Learning","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1906.04459","snapshot_observed_at":"2026-08-07T01:09:14.144097Z","title":"Classification of radio signals and hf trans- mission modes with deep learning,","venue":null,"work_id":null,"year":1906},"citing_paper":{"arxiv_id":"2506.11901","last_updated":"2025-06-13T15:52:07Z","snapshot_observed_at":"2026-08-13T07:14:01.428696Z","submitted_at":"2025-06-13T15:52:07Z","title":"A Neural Rejection System Against Universal Adversarial Perturbations in Radio Signal Classification","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-07T01:09:14.144097Z"},"links":{"cited_paper":"/paper/1906.04459","citing_paper":"/paper/2506.11901"},"observation_digest":"sha256:38789e0130b0749d3ff942836d3b415b17c57e85c10abb60347c9a866166ad43","observation_id":"a629d9ac-0800-4e73-a370-f088bdecbe57","resolution":{"observed_at":"2026-08-07T01:09:14.144097Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1906.04459","last_updated":"2019-06-11T09:42:33Z","snapshot_observed_at":"2026-08-01T13:24:46.785156Z","submitted_at":"2019-06-11T09:42:33Z","title":"Classification of Radio Signals and HF Transmission Modes with Deep Learning","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1906.04459","snapshot_observed_at":"2026-08-05T16:18:16.535447Z","title":"Classification of radio signals and hf transmission modes with deep learning","venue":null,"work_id":null,"year":1906},"citing_paper":{"arxiv_id":"2508.18785","last_updated":"2025-08-26T08:11:57Z","snapshot_observed_at":"2026-08-14T05:05:36.114978Z","submitted_at":"2025-08-26T08:11:57Z","title":"EMind: A Foundation Model for Multi-task Electromagnetic Signals Understanding","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-05T16:18:16.535447Z"},"links":{"cited_paper":"/paper/1906.04459","citing_paper":"/paper/2508.18785"},"observation_digest":"sha256:f1bce85adbaa03eacb5bf1e81b0167692b75d7059daee7b754af7ba609b31e6b","observation_id":"b3f88ae6-0527-4010-a9fa-e67759b6c424","resolution":{"observed_at":"2026-08-05T16:18:16.535447Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1906.04459/citation-record","integrity":"/paper/1906.04459/integrity","json":"/paper/1906.04459/citation-record.json","paper":"/paper/1906.04459"},"outbound":[],"paper":{"arxiv_id":"1906.04459","last_updated":"2019-06-11T09:42:33Z","latest_version":1,"primary_category":"eess.SP","snapshot_observed_at":"2026-08-01T13:24:46.785156Z","submitted_at":"2019-06-11T09:42:33Z","title":"Classification of Radio Signals and HF Transmission Modes with Deep Learning"},"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":"2026-08-14T06:32:32.682623+00:00","source":"crossref"},{"observed_at":"2026-08-14T06:32:18.44784+00:00","source":"retraction_watch"}],"thesis":"As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:1906.04459."}