{"as_of":"2026-08-05T07:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:09f5541a15b27efe353fe5a2a72e16dd4a7f312e17eb1da7b095da1376299a3f","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":4,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":4,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-05T06:32:48.257954+00:00","state":"measured"},{"denominator":4,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":4,"source":"paper_references, paper_reference_links","source_observed_at":"2026-05-21T05:49:28.713982Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-05-21T05:49:40.677378Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2106.05203","last_updated":"2021-06-09T16:45:53Z","snapshot_observed_at":"2026-08-04T02:57:13.715826Z","submitted_at":"2021-06-09T16:45:53Z","title":"EF21: A New, Simpler, Theoretically Better, and Practically Faster Error Feedback","version":1},"cited_work":{"arxiv_id":"2106.05203","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2106.05203","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"arXiv preprint arXiv:2106.05203 , title =","venue":null,"work_id":"00010e24-c1b3-4b33-891e-e20158e72f13","year":null},"citing_paper":{"arxiv_id":"2605.07795","last_updated":"2026-05-08T14:32:41Z","snapshot_observed_at":"2026-07-06T23:20:06.574823Z","submitted_at":"2026-05-08T14:32:41Z","title":"Scalable Distributed Stochastic Optimization via Bidirectional Compression: Beyond Pessimistic Limits","version":1},"reference_index":6,"source":"arxiv_source","source_observed_at":"2026-05-11T02:52:53.588595Z"},"links":{"cited_paper":"/paper/2106.05203","citing_paper":"/paper/2605.07795"},"observation_digest":"sha256:c441f89ec4dce2d09600dfb9492db583cb14ba4e89a4342daae29273bf5bd429","observation_id":"03abe9fa-9f57-4f1a-8ee6-ee7f5c29a691","resolution":{"observed_at":"2026-05-11T03:05:54.853363Z","resolver_source":"arxiv_id","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"}},{"citation":{"cited_paper":{"arxiv_id":"2106.05203","last_updated":"2021-06-09T16:45:53Z","snapshot_observed_at":"2026-08-04T02:57:13.715826Z","submitted_at":"2021-06-09T16:45:53Z","title":"EF21: A New, Simpler, Theoretically Better, and Practically Faster Error Feedback","version":1},"cited_work":{"arxiv_id":"2106.05203","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2106.05203","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"arXiv preprint arXiv:2106.05203 , title =","venue":null,"work_id":"00010e24-c1b3-4b33-891e-e20158e72f13","year":null},"citing_paper":{"arxiv_id":"2605.08871","last_updated":"2026-05-09T10:46:59Z","snapshot_observed_at":"2026-07-31T15:53:03.039634Z","submitted_at":"2026-05-09T10:46:59Z","title":"Rennala MVR: Improved Time Complexity for Parallel Stochastic Optimization via Momentum-Based Variance Reduction","version":1},"reference_index":80,"source":"arxiv_source","source_observed_at":"2026-05-12T01:51:20.003552Z"},"links":{"cited_paper":"/paper/2106.05203","citing_paper":"/paper/2605.08871"},"observation_digest":"sha256:af529a14d2818be2181f2b6cdb3eb5de2bd89ded4bb08e269de0bba3fec22e8a","observation_id":"ad7f70d1-ac86-4d5b-b434-59db75b4a4a6","resolution":{"observed_at":"2026-05-12T07:51:30.210630Z","resolver_source":"arxiv_id","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"}},{"citation":{"cited_paper":{"arxiv_id":"2106.05203","last_updated":"2021-06-09T16:45:53Z","snapshot_observed_at":"2026-08-04T02:57:13.715826Z","submitted_at":"2021-06-09T16:45:53Z","title":"EF21: A New, Simpler, Theoretically Better, and Practically Faster Error Feedback","version":1},"cited_work":{"arxiv_id":"2106.05203","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2106.05203","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"arXiv preprint arXiv:2106.05203 , title =","venue":null,"work_id":"00010e24-c1b3-4b33-891e-e20158e72f13","year":null},"citing_paper":{"arxiv_id":"2605.18174","last_updated":"2026-05-18T10:18:02Z","snapshot_observed_at":"2026-07-06T23:29:04.241654Z","submitted_at":"2026-05-18T10:18:02Z","title":"Ringmaster LMO: Asynchronous Linear Minimization Oracle Momentum Method","version":1},"reference_index":82,"source":"arxiv_source","source_observed_at":"2026-05-20T13:08:52.912250Z"},"links":{"cited_paper":"/paper/2106.05203","citing_paper":"/paper/2605.18174"},"observation_digest":"sha256:08929336557732053581716ad039918f25a4d2ab6b06837ea172d49ddff7c4d6","observation_id":"d454f6c7-84e7-4b32-bda6-cae2833ae700","resolution":{"observed_at":"2026-05-20T13:13:18.613055Z","resolver_source":"arxiv_id","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"}},{"citation":{"cited_paper":{"arxiv_id":"2106.05203","last_updated":"2021-06-09T16:45:53Z","snapshot_observed_at":"2026-08-04T02:57:13.715826Z","submitted_at":"2021-06-09T16:45:53Z","title":"EF21: A New, Simpler, Theoretically Better, and Practically Faster Error Feedback","version":1},"cited_work":{"arxiv_id":"2106.05203","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2106.05203","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"arXiv preprint arXiv:2106.05203 , title =","venue":null,"work_id":"00010e24-c1b3-4b33-891e-e20158e72f13","year":null},"citing_paper":{"arxiv_id":"2605.20866","last_updated":"2026-05-20T08:01:45Z","snapshot_observed_at":"2026-08-02T02:54:50.828651Z","submitted_at":"2026-05-20T08:01:45Z","title":"LOSCAR-SGD: Local SGD with Communication-Computation Overlap and Delay-Corrected Sparse Model Averaging","version":1},"reference_index":84,"source":"arxiv_source","source_observed_at":"2026-05-21T05:49:28.713982Z"},"links":{"cited_paper":"/paper/2106.05203","citing_paper":"/paper/2605.20866"},"observation_digest":"sha256:9ad7e662c1520c7963157d6da39388d516e47d477ea30bff06ff99b6614da52e","observation_id":"03977658-8334-4460-bd6f-d7110b06a3a6","resolution":{"observed_at":"2026-05-21T05:49:40.679110Z","resolver_source":"arxiv_id","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/2106.05203/citation-record","integrity":"/paper/2106.05203/integrity","json":"/paper/2106.05203/citation-record.json","paper":"/paper/2106.05203"},"outbound":[],"paper":{"arxiv_id":"2106.05203","last_updated":"2021-06-09T16:45:53Z","latest_version":1,"primary_category":"cs.LG","snapshot_observed_at":"2026-08-04T02:57:13.715826Z","submitted_at":"2021-06-09T16:45:53Z","title":"EF21: A New, Simpler, Theoretically Better, and Practically Faster Error Feedback"},"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 4 inbound Pith citation observations for arXiv:2106.05203."}