{"as_of":"2026-08-16T10:41:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:aba6028bb24c0cbc56047a84f0eeb2786f53281a078e0cd5848a38a9bc3fa092","coverage":[{"denominator":11,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":11,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T14:23:37.523687Z","state":"measured"},{"denominator":11,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":11,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1908.03288/citation-record","integrity":"/paper/1908.03288/integrity","json":"/paper/1908.03288/citation-record.json","paper":"/paper/1908.03288"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:38.234731Z","title":"Massive MIMO for next generation wireless systems,","venue":null,"work_id":"aafd200c-63c6-4111-8b3a-3d8208228e86","year":2014},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.296754Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:395daee5c33b9b4f67ffc24bcb5aee95c05258c83dfd56a1415f9edcf8b2e241","observation_id":"9a971cd8-9353-4e25-a8e4-10323a9dd3ef","resolution":{"observed_at":"2026-08-14T14:23:38.240840Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:38.219270Z","title":"An Overview of Massive MIMO: Benefits and Challenges,","venue":null,"work_id":"0eae31d6-231d-436b-bb46-bfdf8757177e","year":2014},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.317059Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:9bd6ea8185cdd8e57d3fec37d166e12d52b3a20a247c764afc4f4c17c7d70ea5","observation_id":"bc59ac0b-14e9-4ad7-8230-a336a9261b90","resolution":{"observed_at":"2026-08-14T14:23:38.223815Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:38.082091Z","title":"Optimality of large MIMO detection via approximate message passing,","venue":null,"work_id":"40a280cb-b270-46b8-af4f-91f43ab36670","year":2015},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.322511Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:8b654952e18399da383422d6b5ef087568fcbaa2cf3fa34723901039563c5146","observation_id":"f6476d6c-4439-4f9b-b98e-e8706fb91f2e","resolution":{"observed_at":"2026-08-14T14:23:38.137516Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:38.031948Z","title":"Channel hardening-exploiting message passing (CHEMP) receiver in large-scale MIMO systems,","venue":null,"work_id":"8a316264-83c0-45d8-9269-695c9f3edc4f","year":2014},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.327959Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:64b67fb1c4d15da5728cdc2d219a5d3234d5c70e735f662e78e61f2aac2644e0","observation_id":"4e309fd8-4f03-4569-9f63-751a147eba7a","resolution":{"observed_at":"2026-08-14T14:23:38.036671Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:38.018125Z","title":"A 0.58mm 2 2.76Gb/s 79.8pJ/b 256- QAM massive MIMO message-passing detector,","venue":null,"work_id":"b565d1f8-af70-41c3-bff4-0382e678843d","year":2016},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.334159Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:fe1a7092520103908d38763233d7d6aa60fa06388c117cef5d523c4029e867d7","observation_id":"a88f82f8-2bfa-41ae-8606-c852b0875bd6","resolution":{"observed_at":"2026-08-14T14:23:38.022912Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:37.882367Z","title":"A 501mW 7.6lGb/s integrated message-passing detector and decoder for polar-coded massive MIMO systems,","venue":null,"work_id":"51a7a05f-4e98-42b0-be31-8e25410f7ae7","year":2017},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.339331Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:d278b6e3378e2ddd3c8dd908146a1a82a2512fd8d2654dd5ab49c9e6d777dc0b","observation_id":"060cb56c-c541-4b89-9b4b-a1c16de2c6ed","resolution":{"observed_at":"2026-08-14T14:23:37.933042Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:37.867329Z","title":"A 1.8Gb/s 70.6pJ/b 128× 16 link-adaptive near-optimal massive MIMO detector in 28nm UTBB-FDSOI,","venue":null,"work_id":"7aa6699d-a56c-40b5-acab-b8051da0d59c","year":2018},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.345933Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:6c914095b5b23e56abf585dc28ef70e6b619dd9eb37f25efc73bcc71c0323546","observation_id":"b342322f-45c3-4d22-a072-b1db92fc275c","resolution":{"observed_at":"2026-08-14T14:23:37.872246Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:37.718948Z","title":"ASIC implementation of soft- input soft-output MIMO detection using MMSE parallel interference cancellation,","venue":null,"work_id":"fdd40fd0-3a75-4b9d-8e4e-5a5c03b8df15","year":2011},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.402725Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:88f50e50c61681af859551ea61f272de647ecd10aded30187b5c97fbf8bd226e","observation_id":"087bd7f0-1e74-4585-898f-1b68a39c8e37","resolution":{"observed_at":"2026-08-14T14:23:37.772359Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:37.703146Z","title":"On the convergence of approximate message passing with arbitrary matrices,","venue":null,"work_id":"dc1c3084-6c0b-43dc-9260-b8d9d38c8348","year":2014},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.483692Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:b1b4b1a3fd10b5decd541ced2abf45244ee732da0c8ef0872c81104ebdd85197","observation_id":"91d4b3a3-7ab8-4d78-a2d8-913f387b6bd2","resolution":{"observed_at":"2026-08-14T14:23:37.707719Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:37.617000Z","title":"A cellular computer to implement the Kalman filter algorithm,","venue":null,"work_id":"3fe6bb9e-881f-481e-984b-02d2a89ef9ef","year":1969},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.518628Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:71fae83b3201cb0bc2b55bd5061036eb3c4c627ef302910b3fbb198ece059963","observation_id":"b362b776-8cd6-40e2-a1cf-63e8bad31868","resolution":{"observed_at":"2026-08-14T14:23:37.690301Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:23:37.553859Z","title":"WINNER II channel models. D1.1.2 V1.2,","venue":null,"work_id":"8a20c6df-7ad5-49ae-b098-074aaa51adc6","year":2007},"citing_paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T14:23:37.523687Z"},"links":{"citing_paper":"/paper/1908.03288"},"observation_digest":"sha256:55537e0f1a1b42c15deda7f5a4cb812a9eebc6403f77caf28a108a3aa1f16cd3","observation_id":"84b1127c-96d4-4b21-a5b1-46361e4c8ecd","resolution":{"observed_at":"2026-08-14T14:23:37.559688Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"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"}}],"paper":{"arxiv_id":"1908.03288","last_updated":"2019-08-09T02:59:39Z","latest_version":1,"primary_category":"cs.IT","snapshot_observed_at":"2026-08-14T14:16:06.029388Z","submitted_at":"2019-08-09T02:59:39Z","title":"A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS"},"reference_resolution":{"displayed":11,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":11},"total_outbound_references":11},"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 16 August 2026, this Paper Citation Record lists 11 of 11 outbound references and 0 inbound Pith citation observations for arXiv:1908.03288."}