{"as_of":"2026-08-12T07:50:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:013c27078290dfa45d823404446fe13b00a35eb012de8357f6526cf0f35d6f30","coverage":[{"denominator":25,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":25,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-06T15:36:20.527796Z","state":"measured"},{"denominator":27,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":27,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-12T06:34:41.77262+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":"2026-07-10T10:42:18.731700Z","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":"2026-07-10T10:47:01.829402Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"cited_work":{"arxiv_id":"2507.15621","doi":null,"metadata_source":"pith","pith_arxiv_id":"2507.15621","snapshot_observed_at":"2026-07-10T10:47:01.829402Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","venue":"eess.SP","work_id":"20bfed13-2779-4dac-937f-0aad38d5275b","year":2025},"citing_paper":{"arxiv_id":"2606.09753","last_updated":"2026-06-08T17:12:10Z","snapshot_observed_at":"2026-08-08T09:01:18.147824Z","submitted_at":"2026-06-08T17:12:10Z","title":"Jamming-Resilient Sparse Delay-Doppler NOMA: Unitary Precoding, Randomized Active Sets, and Superincreasing Power Allocation","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-06-27T15:31:23.879311Z"},"links":{"cited_paper":"/paper/2507.15621","citing_paper":"/paper/2606.09753"},"observation_digest":"sha256:5e7060beb6c71b70fdbb48cd264f0a2ad1d59de9ab9fda70906e4df53d26faef","observation_id":"6c0e1cea-ecd2-408e-b8ab-eac568290f26","resolution":{"observed_at":"2026-07-03T03:07:35.381563Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"cited_work":{"arxiv_id":"2507.15621","doi":null,"metadata_source":"pith","pith_arxiv_id":"2507.15621","snapshot_observed_at":"2026-07-10T10:47:01.829402Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","venue":"eess.SP","work_id":"20bfed13-2779-4dac-937f-0aad38d5275b","year":2025},"citing_paper":{"arxiv_id":"2607.08247","last_updated":"2026-07-09T08:48:59Z","snapshot_observed_at":"2026-08-03T02:35:19.817410Z","submitted_at":"2026-07-09T08:48:59Z","title":"Multiuser Zak-OTFS on the Uplink with Superimposed Spread-Pilots","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-07-10T10:42:18.731700Z"},"links":{"cited_paper":"/paper/2507.15621","citing_paper":"/paper/2607.08247"},"observation_digest":"sha256:11566af09cd14a7ba51b06f40c6ed3a7b7007c011515fa6a24a19ec4de7f52ac","observation_id":"461f0bee-7364-4571-aff6-85ec2804d9a4","resolution":{"observed_at":"2026-07-10T10:47:01.830939Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2507.15621/citation-record","integrity":"/paper/2507.15621/integrity","json":"/paper/2507.15621/citation-record.json","paper":"/paper/2507.15621"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T15:36:20.927208Z","title":"Framework and Overall Objectives of the Future development of IMT for 2030 and beyond,","venue":null,"work_id":"3dd9a19b-ba22-48b8-91ad-46f087ab4e13","year":2023},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.452223Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:fe2d0a324929401113a5d5ca5681d3b1280378e4dee09641c598074a4cd479cd","observation_id":"761848ac-8e11-48da-a583-af4f0208bffb","resolution":{"observed_at":"2026-08-06T15:36:20.930497Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.916389Z","title":"UA V Communications in Integrated Terrestrial and Non-terrestrial Networks,","venue":null,"work_id":"dfa616ec-0c9c-48fd-935c-eea122d2937b","year":2022},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.456690Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:32653647138f3e086a3f2bdbf25945572e5b652cfa556cea89d686e88fd23815","observation_id":"fb0fc0d9-dead-4773-bcb2-f574579f222c","resolution":{"observed_at":"2026-08-06T15:36:20.920172Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.905880Z","title":"Orthogonal time frequency space modula- tion,","venue":null,"work_id":"a69ae842-fc87-4803-b591-3e232f9e8090","year":2017},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.459768Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:0a8b27ad65f415aac1693d1820352ee81355b300243d29d83889983919332542","observation_id":"0110566a-9042-462f-85d9-16beebb864da","resolution":{"observed_at":"2026-08-06T15:36:20.909366Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.896248Z","title":"Raviteja, K","venue":null,"work_id":"fc4b93c3-715f-4f52-856d-d367379a73b5","year":2019},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.463309Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:eb7cd1946af3517dcfecbbe7fb4f2cfbceb828d3dfaf744e16659eb3f7aca339","observation_id":"0b35e922-4700-4a69-a2fb-efe18a9fd3a1","resolution":{"observed_at":"2026-08-06T15:36:20.899506Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.886084Z","title":"OTFS-Based Multiple-Access in High Doppler and Delay Spread Wireless Channels,","venue":null,"work_id":"f303c1e0-188b-49f3-b689-7815169e37a5","year":2019},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.466658Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:8f2d32ec7f6f01ed5d3651accd137006e5f978d8b691ddd3a451ca55f44e9c76","observation_id":"615c6122-cbe9-4753-8efd-c4dddd0bda3c","resolution":{"observed_at":"2026-08-06T15:36:20.889145Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.876791Z","title":"Spectral Efficiency of OTFS Based Orthogonal Multiple Access With Rectangular Pulses,","venue":null,"work_id":"24d6c15e-c92c-4e8e-898e-be0ef4d633f2","year":2022},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.469582Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:3a3718e1f93d28fd846776fa36a9ff3f860f0c23b0cb4d809bc0df33e84c4c15","observation_id":"a7292fe4-62b9-488f-9e85-39a9d6a6a559","resolution":{"observed_at":"2026-08-06T15:36:20.880145Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.867797Z","title":"A new path division multiple access for the massive MIMO-OTFS networks,","venue":null,"work_id":"48b5dac9-7b39-4347-94dd-864e03557215","year":2021},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.473121Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:6a95cd602225c0a4f58eccba394a823321720fa90efcc01cc1ad82e06d56b4fd","observation_id":"c5b7ed13-18c3-422f-b9fb-e4791f8a574f","resolution":{"observed_at":"2026-08-06T15:36:20.870815Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.859109Z","title":"SC-FDMA as a Delay-Doppler Domain Modulation Technique,","venue":null,"work_id":"37cf43b2-2ae2-457a-8554-b0fb452c2d85","year":2024},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.476189Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:6782164316154ef6ea324253ec212ef3fc3a12f3caf84088333da3ede015d5f2","observation_id":"1f942819-0285-4800-bde5-b30acd6f2136","resolution":{"observed_at":"2026-08-06T15:36:20.862287Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.850225Z","title":"Angle-Delay- Doppler Domain NOMA over Massive MIMO-OTFS Networks,","venue":null,"work_id":"1781bad9-4b9d-40e7-98b4-072c91ddf2f1","year":2020},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.479183Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:1fb65c6409896c7176c7a418f1f4a41da6c337c001922aa8a3862b3df4ddd82a","observation_id":"d9bd775e-c3c3-470c-a54b-da8df2e72b47","resolution":{"observed_at":"2026-08-06T15:36:20.853369Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.840537Z","title":"Performance Analysis of OTFS-based Uplink Massive MIMO with ZF Receivers,","venue":null,"work_id":"dcc7fbb0-0b59-45f9-adb2-4a7e0008ea96","year":2021},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.482046Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:5a46acf1d1e46b742fe1bb7eee4fbc958516b82ecf65a22ed145d96dd7e7f67e","observation_id":"895a73ce-106d-40ce-b379-f3e26b1ae867","resolution":{"observed_at":"2026-08-06T15:36:20.843724Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.830160Z","title":"Time-Domain to Delay-Doppler Domain Conversion of OTFS Signals in Very High Mobility Scenarios,","venue":null,"work_id":"13180f2d-a88d-44bd-ac3c-93a92374fdd0","year":2021},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.485268Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:77399899fa8ddde9e54f756feab31c9137b0ce43736ba2b6a2b7d7cdee1637d8","observation_id":"b25bcea6-076a-4e23-9189-59d27de496ef","resolution":{"observed_at":"2026-08-06T15:36:20.833524Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.820686Z","title":"OTFS Modulation: Theory and Applications,","venue":null,"work_id":"5c9e91b8-1845-4a79-9a15-5eece27d405a","year":2024},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.488316Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:813d80cdbf7dcf630fb9c689a6752e9facba45543d95bb6a6c5e3bdb940c5b63","observation_id":"5476add7-f0e1-4786-9c00-3a6fb66d0874","resolution":{"observed_at":"2026-08-06T15:36:20.823941Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.810179Z","title":"Derivation of OTFS Modulation From First Prin- ciples,","venue":null,"work_id":"2fcffd3c-cacc-445b-b580-b7348fef2f32","year":2021},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.491385Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:00c6e9f5135c378bf25adace21a991a1944359663b11ae8cf25244309ceea83d","observation_id":"17cf2cba-7be1-4197-9813-0815458e9cc8","resolution":{"observed_at":"2026-08-06T15:36:20.813833Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T15:36:20.494091Z","title":null,"venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.494091Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:f19a8a78c825e2616bffa4bdb2497459e3104732ba14c8801124a259e48c36bc","observation_id":"fb794290-9b09-4851-a15d-9d8a32d421fe","resolution":{"observed_at":"2026-08-06T15:36:20.494091Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":"2023.33195","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T15:36:20.644815Z","title":null,"venue":null,"work_id":"0c419be2-088c-4136-badd-995df9a494cc","year":null},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.496980Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:60a29d0fcc20518447693569e2b4131aab4739ff75f4d4f7a077a39bb5747ffa","observation_id":"5160a211-e0c4-45ad-8eb4-5ea2f52616db","resolution":{"observed_at":"2026-08-06T15:36:20.650975Z","resolver_source":"raw_fallback","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2404.04182","last_updated":"2025-06-27T22:41:10Z","snapshot_observed_at":"2026-08-06T09:56:51.559926Z","submitted_at":"2024-04-05T15:52:02Z","title":"Zak-OTFS to Integrate Sensing the I/O Relation and Data Communication","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2404.04182","snapshot_observed_at":"2026-08-06T15:36:20.499743Z","title":"Zak-OTFS to Integrate Sensing the I/O Relation and Data Communication,","venue":null,"work_id":null,"year":null},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.499743Z"},"links":{"cited_paper":"/paper/2404.04182","citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:e2120bff10d5e5328c697e6effe2d194d23084f51f71768e290b0eed46303617","observation_id":"4f200ed0-55ff-4d64-ae37-01fa463b18ac","resolution":{"observed_at":"2026-08-06T15:36:20.499743Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T15:36:20.795897Z","title":"Zak-OTFS with Interleaved Pilots to Extend the Region of Predictable Operation,","venue":null,"work_id":"e21dc6ef-6a72-4562-9277-bf53f1475349","year":2025},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.503106Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:2d72b8809584c9d20ba1968af802b4f450e8a537a15c7d7badc97585b7d27330","observation_id":"6ba2442e-c3eb-44c8-be04-cd0cef5434cb","resolution":{"observed_at":"2026-08-06T15:36:20.799383Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.784742Z","title":"Multiple Preamble Detection with ZC Sequences in the Presence of Mobility and Delay Spread,","venue":null,"work_id":"acc188ae-a38a-4804-aa1a-4f77c49e51a0","year":2025},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.506107Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:3bc1feeba0368405ae68a39e240d2b278ba1112812853d5ee54a0e8fb6363cd2","observation_id":"e1ad02ec-4091-42e8-90d4-5e2d0031a86f","resolution":{"observed_at":"2026-08-06T15:36:20.788045Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.774261Z","title":"Guidelines for evaluation of radio transmission tech- nologies for IMT-2000,","venue":null,"work_id":"4196d2b3-7020-416f-acda-d83109e5d245","year":2000},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.509243Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:62ed7d56173b06d74afc58402f3580ba36edb3e43b3510676ee276a3ee4221a9","observation_id":"d34b2ca8-7b22-48aa-aa81-e3f63df13dc4","resolution":{"observed_at":"2026-08-06T15:36:20.777809Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2405.02718","last_updated":"2024-05-04T17:26:06Z","snapshot_observed_at":"2026-07-06T18:09:51.117905Z","submitted_at":"2024-05-04T17:26:06Z","title":"Zak-OTFS: Pulse Shaping and the Tradeoff between Time/Bandwidth Expansion and Predictability","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2405.02718","snapshot_observed_at":"2026-08-06T15:36:20.512008Z","title":"Zak-OTFS: Pulse Shaping and the Tradeoff between Time/Bandwidth Expansion and Predictability,","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.512008Z"},"links":{"cited_paper":"/paper/2405.02718","citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:e05b5c39a62b56716e7da46eda836479183a1ccf1587c685ed3d25c0c8240375","observation_id":"628e9ba0-788f-47c0-8de4-2474129fa433","resolution":{"observed_at":"2026-08-06T15:36:20.512008Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-06T15:36:20.763963Z","title":"Characterization of Randomly Time-Variant Linear Chan- nels,","venue":null,"work_id":"cace7287-9bdf-44c0-9fb6-a1e2eba220ac","year":1963},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.515440Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:bc1c56ff50e0720f927fa539469306691ee95dba586511e93d7de4d0dc8bc0b0","observation_id":"2176b94d-6cf4-43b8-8e8d-5df678a995a9","resolution":{"observed_at":"2026-08-06T15:36:20.767405Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.753920Z","title":"Haykin, Digital Communication Systems , John Wiley & Sons, 2014","venue":null,"work_id":"8de6436b-a4bb-44e1-bad9-6d29de3e83f5","year":2014},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.518286Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:277aece7e42861e1394881d0d8bbc78bb92fabebbb7221efe26094524f9854ff","observation_id":"676aa464-049f-41eb-a730-a76b9872f3c6","resolution":{"observed_at":"2026-08-06T15:36:20.757291Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.743657Z","title":"Optimal Zak- OTFS Receiver and Its Relation to the Radar Matched Filter,","venue":null,"work_id":"b4de47c3-5431-4c33-b091-85164d03ec64","year":2024},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.521224Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:984c2ae69bc0bc216a673692d131eb2bd5b8e96d87eb5a0daac0ca68483fcab9","observation_id":"4cd61e8d-8d69-4c61-b6ce-98bd0d568550","resolution":{"observed_at":"2026-08-06T15:36:20.747312Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.731899Z","title":"Zak-OTFS Implementation via Time and Frequency Windowing,","venue":null,"work_id":"8124e6a5-99e4-4591-b7be-a2ef3d0c10dc","year":2024},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.524636Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:b7988faea443430df9c0b25d7a7b6aca19cc574b18da2e332b0483c714473a8c","observation_id":"7dbaf3b3-7b79-4dbb-8f52-cac6bacb4c9e","resolution":{"observed_at":"2026-08-06T15:36:20.736295Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+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":"2026-08-06T15:36:20.720073Z","title":"Low-Complexity Symbol Detection and Interference Cancellation for OTFS System,","venue":null,"work_id":"e717f1f3-f23b-4850-ba25-6ab28d544ae4","year":2021},"citing_paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-06T15:36:20.527796Z"},"links":{"citing_paper":"/paper/2507.15621"},"observation_digest":"sha256:92a69a2daeff63d5e2b4b6e5ecb1b0a2a8a26d8c91e9d54452a0bf4f1df9a585","observation_id":"1288be2e-bbfe-4c71-bf19-40de55817dbd","resolution":{"observed_at":"2026-08-06T15:36:20.724628Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2507.15621","last_updated":"2025-07-21T13:44:51Z","latest_version":1,"primary_category":"eess.SP","snapshot_observed_at":"2026-08-06T15:24:57.552703Z","submitted_at":"2025-07-21T13:44:51Z","title":"Zak-OTFS based Multiuser Uplink in Doubly-Spread Channels"},"reference_resolution":{"displayed":25,"state_counts":{"malformed_identifier":0,"metadata_mismatch":1,"parse_uncertain":0,"unresolved":3,"verified_exact":0,"verified_fuzzy":21},"total_outbound_references":25},"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":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"thesis":"As of 12 August 2026, this Paper Citation Record lists 25 of 25 outbound references and 2 inbound Pith citation observations for arXiv:2507.15621."}