{"as_of":"2026-08-05T11:31:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:33b2b1800a08bb4109114c79b3ee7151c6bac7e06ef08ad56c5a613261556211","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":"2026-08-05T06:32:48.257954+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":"2026-05-24T22:39:45.654633Z","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":"2026-05-24T22:40:01.896029Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1809.03657","last_updated":"2019-02-14T02:25:38Z","snapshot_observed_at":"2026-07-06T07:00:23.636464Z","submitted_at":"2018-09-11T02:13:14Z","title":"Uplink Cooperative NOMA for Cellular-Connected UAV","version":3},"cited_work":{"arxiv_id":"1809.03657","doi":null,"metadata_source":"pith","pith_arxiv_id":"1809.03657","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Uplink Cooperative NOMA for Cellular-Connected UAV","venue":"cs.IT","work_id":"882a8a3d-1825-40ad-bb62-35b6bcc24498","year":2018},"citing_paper":{"arxiv_id":"1907.05571","last_updated":"2019-07-12T04:00:55Z","snapshot_observed_at":"2026-07-06T08:07:15.233485Z","submitted_at":"2019-07-12T04:00:55Z","title":"Non-Orthogonal Multiple Access in UAV-to-Everything (U2X) Networks","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-05-24T22:39:45.654633Z"},"links":{"cited_paper":"/paper/1809.03657","citing_paper":"/paper/1907.05571"},"observation_digest":"sha256:8e8d76af0bbb6e8dd1258aead740f7915cc591b561c277d0b2a9cebfd059f698","observation_id":"3b914f7f-4e41-4cef-acb1-3be7483a270c","resolution":{"observed_at":"2026-05-24T22:40:01.899357Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1809.03657/citation-record","integrity":"/paper/1809.03657/integrity","json":"/paper/1809.03657/citation-record.json","paper":"/paper/1809.03657"},"outbound":[],"paper":{"arxiv_id":"1809.03657","last_updated":"2019-02-14T02:25:38Z","latest_version":3,"primary_category":"cs.IT","snapshot_observed_at":"2026-07-06T07:00:23.636464Z","submitted_at":"2018-09-11T02:13:14Z","title":"Uplink Cooperative NOMA for Cellular-Connected UAV"},"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":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"thesis":"As of 5 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1809.03657."}