{"as_of":"2026-08-14T08:50:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:afb37447b9969db91040869835393adc7bd2fdc3beb57f9e63454ec45d693a12","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-14T06:32:32.682623+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-12T16:47:25.958214Z","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":"2026-08-08T16:50:04.684717Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2005.09237","last_updated":"2020-05-19T06:25:52Z","snapshot_observed_at":"2026-08-13T22:40:43.335242Z","submitted_at":"2020-05-19T06:25:52Z","title":"Acoustic Echo Cancellation by Combining Adaptive Digital Filter and Recurrent Neural Network","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2005.09237","snapshot_observed_at":"2026-08-12T16:47:25.958214Z","title":"Acoustic echo cancellation by combining adaptive digital filter and recurrent neural network,","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"2411.14489","last_updated":"2024-11-20T11:37:14Z","snapshot_observed_at":"2026-08-14T00:03:16.885025Z","submitted_at":"2024-11-20T11:37:14Z","title":"GhostRNN: Reducing State Redundancy in RNN with Cheap Operations","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-12T16:47:25.958214Z"},"links":{"cited_paper":"/paper/2005.09237","citing_paper":"/paper/2411.14489"},"observation_digest":"sha256:7a876ba415eacd55b234dbad9fed78628dbf89f5cbcfc4afa9f7b15ab327552f","observation_id":"1f7f7795-488c-4347-81c8-8c89efbedb99","resolution":{"observed_at":"2026-08-12T16:47:25.958214Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2005.09237","last_updated":"2020-05-19T06:25:52Z","snapshot_observed_at":"2026-08-13T22:40:43.335242Z","submitted_at":"2020-05-19T06:25:52Z","title":"Acoustic Echo Cancellation by Combining Adaptive Digital Filter and Recurrent Neural Network","version":1},"cited_work":{"arxiv_id":"2005.09237","doi":null,"metadata_source":"pith","pith_arxiv_id":"2005.09237","snapshot_observed_at":"2026-08-08T16:50:04.684717Z","title":"Acoustic Echo Cancellation by Combining Adaptive Digital Filter and Recurrent Neural Network","venue":"cs.SD","work_id":"119c1b17-aaea-4a71-9199-f2f7a172895c","year":2020},"citing_paper":{"arxiv_id":"2502.06098","last_updated":"2025-02-10T02:09:28Z","snapshot_observed_at":"2026-08-10T17:07:38.798890Z","submitted_at":"2025-02-10T02:09:28Z","title":"An adaptive filter bank based neural network approach for time delay estimation and speech enhancement","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-08T16:50:04.603702Z"},"links":{"cited_paper":"/paper/2005.09237","citing_paper":"/paper/2502.06098"},"observation_digest":"sha256:55c28027ce6eae31abae3cc78b303341f0f4574bb08c39d7970503da002444c3","observation_id":"9de680e9-82ce-42cb-8f81-af699f14b4a4","resolution":{"observed_at":"2026-08-08T16:50:04.688515Z","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"}}],"links":{"evidence":"/evidence","html":"/paper/2005.09237/citation-record","integrity":"/paper/2005.09237/integrity","json":"/paper/2005.09237/citation-record.json","paper":"/paper/2005.09237"},"outbound":[],"paper":{"arxiv_id":"2005.09237","last_updated":"2020-05-19T06:25:52Z","latest_version":1,"primary_category":"cs.SD","snapshot_observed_at":"2026-08-13T22:40:43.335242Z","submitted_at":"2020-05-19T06:25:52Z","title":"Acoustic Echo Cancellation by Combining Adaptive Digital Filter and Recurrent Neural Network"},"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 2 inbound Pith citation observations for arXiv:2005.09237."}