{"as_of":"2026-08-08T13:36:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:8ddc28a458fdeebc07003f0b8090acaf64531dfcb7b902294f9880a049576231","coverage":[{"denominator":16,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":16,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T11:39:52.553479Z","state":"measured"},{"denominator":17,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":17,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-08T06:32:00.761636+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":"2026-06-26T06:46:56.473309Z","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":"2026-07-04T12:29:51.923000Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"cited_work":{"arxiv_id":"2506.01761","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2506.01761","snapshot_observed_at":"2026-07-04T12:29:51.923000Z","title":"2506.01761 , archivePrefix=","venue":null,"work_id":"9b8623d3-2ce6-49b6-b3e2-7b1bfe8435f7","year":null},"citing_paper":{"arxiv_id":"2606.23390","last_updated":"2026-06-22T14:18:12Z","snapshot_observed_at":"2026-08-06T06:59:39.611212Z","submitted_at":"2026-06-22T14:18:12Z","title":"Symbol Rate-Code Rate Trade-offs for IM/DD 200G/400G per Lane LPO Transceivers","version":1},"reference_index":1,"source":"arxiv_source","source_observed_at":"2026-06-26T06:46:56.473309Z"},"links":{"cited_paper":"/paper/2506.01761","citing_paper":"/paper/2606.23390"},"observation_digest":"sha256:a0cf9600962ddbf1fcf18df573e47a4fba282335a72644409eb3ef72f6422797","observation_id":"9d78db88-a8b7-486f-bc65-83290af6adf5","resolution":{"observed_at":"2026-07-04T12:29:51.924563Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2506.01761/citation-record","integrity":"/paper/2506.01761/integrity","json":"/paper/2506.01761/citation-record.json","paper":"/paper/2506.01761"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T11:40:21.611519Z","title":"Modulation format and digital signal processing for IM-DD optics at post-200G era","venue":null,"work_id":"f6ca4884-9c5d-4f98-9625-cee4991b1a75","year":2024},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:47.289919Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:fb8bbe59b51e051f09beacec72ff84668babfa58eb3be046b88fc91bae5a6ed4","observation_id":"c5339bbb-645b-423a-aa57-7bcf85b0ee2b","resolution":{"observed_at":"2026-08-07T11:40:23.219552Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:12.198726Z","title":null,"venue":null,"work_id":"a3897dea-6337-4bd2-a5c8-f6f5e8b311e4","year":2024},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:47.379866Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:6314ee7d91d7b36d84044e4a3a56a470cfd09fdf405d1107ec99d144957b2b23","observation_id":"b70a92c7-6d3b-44f0-8a59-bdf3f1ff4c41","resolution":{"observed_at":"2026-08-07T11:40:12.252367Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:12.109877Z","title":"200 Gbps/lane IM/DD technologies for short reach optical interconnects","venue":null,"work_id":"135adf73-0fe7-4b7c-b2d0-2b02519b9287","year":2020},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:47.455811Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:5203d1fbd555c2f2c5fa285f54025b99ae976ba645cb2bc9ad93e9eefe4fefe7","observation_id":"3c8fd91d-7d00-4999-9bfb-ec87e3f3b355","resolution":{"observed_at":"2026-08-07T11:40:12.139557Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:12.051251Z","title":"4-PAM for high-speed short-range optical communications","venue":null,"work_id":"ce64522f-0df2-46db-b61b-5dafc479a1ed","year":2012},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:47.566134Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:54e4eb8bbd7ff1f9c6995014680fd9c923b5a8b348d961e548f66254455ab37d","observation_id":"1dadf99a-24c8-4745-9a52-101aae16ca7c","resolution":{"observed_at":"2026-08-07T11:40:12.074603Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:12.007763Z","title":"467 Gbit/s net bitrate IM/DD transmission using 176 GBd PAM-8 enabled by SiGe AMUX with excellent linearity","venue":null,"work_id":"9b189216-b536-439e-b764-61a46f8e1ee7","year":2024},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:48.879748Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:d7230daeab38f50ca646b6cb8356c4f5b836b25e348eaa485e66296835f34735","observation_id":"4217e122-4646-4a01-b41c-85ea2726041a","resolution":{"observed_at":"2026-08-07T11:40:12.025206Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:11.973161Z","title":"Demonstration of 155 Gbaud PAM4 and PAM6 EML with narrow high- mesa EA modulator for 400 Gbps per lane transmission","venue":null,"work_id":"573df91a-c90b-449c-bec3-0ade851d872f","year":2024},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:51.666711Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:e10d36af135ee00fe94ba8e7517e43e70b3f600c3529e0368291b0f87af35a0e","observation_id":"bf1a5dfc-1476-4f41-921b-5ce80523ed9f","resolution":{"observed_at":"2026-08-07T11:40:11.986257Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:11.850359Z","title":"225 Gb/s per lambda IMDD PAM short reach links using only commercial components","venue":null,"work_id":"6369a74d-ce67-4f08-b3c9-45a4e67aff20","year":2018},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:51.789061Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:d3b65bbdc68a0877dd050a02e6f88374e67f250602ebc4c3bfbcd159acf1ce82","observation_id":"1f547f05-b31a-4d57-8d08-c2c8e6552312","resolution":{"observed_at":"2026-08-07T11:40:11.909449Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:11.637060Z","title":"Comparison of PAM-6 modulations for short-reach fiber- optic links with intensity modulation and direct detec- tion","venue":null,"work_id":"8afea022-b29b-438c-ab75-26f54e375a70","year":2022},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:51.880843Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:3035aff1a83b76b501906fd2e813499ad526750f0d72e1f19ad198c7c3713f4a","observation_id":"7be1adbe-a442-4ad5-830a-80634ea7fb71","resolution":{"observed_at":"2026-08-07T11:40:11.768300Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:09.982952Z","title":"PAM-6 coded modula- tion for IM/DD channels with a peak-power constraint","venue":null,"work_id":"6af6cd7c-d78a-467c-b347-3c55549d36b8","year":2021},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:51.997696Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:675c30eb82b4263c7834f0bc4a3d1769281ecf1fd1c78f512a98d7d852ff9c94","observation_id":"99f6cb58-071c-4315-88a8-80f02dd87654","resolution":{"observed_at":"2026-08-07T11:40:11.029298Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:09.904461Z","title":"On the optimality of the binary reflected Gray code","venue":null,"work_id":"8a50b9b9-3e96-4de1-b282-a4225515d52b","year":2004},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.099713Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:22df12e0b2ef0abbebfe650a12e47e9c40d92a9245c81548ad8e784650f69e92","observation_id":"ecab0db6-3cc3-4a41-8fa9-400876fbbacc","resolution":{"observed_at":"2026-08-07T11:40:09.918223Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:09.782151Z","title":"On Geometric Shaping for 400 Gbps IM-DD Links with Laser Intensity Noise","venue":null,"work_id":"9764e55c-4af1-4645-b982-01b569d08718","year":2025},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.178352Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:099670d65264a951a1b2210b79c99e6e635b2e39cf9f8746b7879169e64f0392","observation_id":"7ccd2b87-0b73-4210-b111-dc98c7cfaa47","resolution":{"observed_at":"2026-08-07T11:40:09.868204Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:09.318288Z","title":"PAM-6 generation using 32-QAM con- stellation","venue":null,"work_id":"ad3cc9b5-a8e8-4438-b11d-f9f5c53ba270","year":2019},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.259469Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:4726ca13c9d5271d9257f0c94f70a51daab19132fad93679cf0b58c99fe06d40","observation_id":"97b73446-429e-4440-96c4-8c7f3afbbe62","resolution":{"observed_at":"2026-08-07T11:40:09.642409Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:40:07.105344Z","title":"Constellation labeling for linear encoders","venue":null,"work_id":"8fe95084-c60b-4a94-92fa-cd6796398612","year":2001},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.328639Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:b8b0e4e699566994adbf975c85cb09aa41801a5d04d4cdfa586cdda354d91a8c","observation_id":"c404aac8-29e4-4153-afc0-04b53f95630f","resolution":{"observed_at":"2026-08-07T11:40:08.043429Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:39:53.215669Z","title":"Exper- imental comparison of probabilistic shaping methods for unrepeated fiber transmission","venue":null,"work_id":"ce0d8306-be68-4b9b-9faf-de70a2df400a","year":2017},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.399093Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:1bcf6f43fbe7e4b7fda27166a92508835bcf087708c3398f282a2b64cec525ca","observation_id":"b9d94b9e-cf79-4d43-9c88-32c2cf2de2ad","resolution":{"observed_at":"2026-08-07T11:39:53.374595Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:39:53.021751Z","title":"Hui, Introduction to fiber-optic communications","venue":null,"work_id":"9226dff4-8608-4ed9-99b3-29748f59a574","year":2019},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.464777Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:d1ce4bac23bbf3049c255e218ee1fc90b067cd30e465f3130e46eb8d481ee627","observation_id":"2f173e32-ea21-464f-8729-9f6a474393bd","resolution":{"observed_at":"2026-08-07T11:39:53.103036Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:39:52.789926Z","title":"Gray coding for multilevel constellations in Gaussian noise","venue":null,"work_id":"037d7cd0-f30e-4e2b-8de8-b75a43539f3f","year":2006},"citing_paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:52.553479Z"},"links":{"citing_paper":"/paper/2506.01761"},"observation_digest":"sha256:2e5e3279ad5b466d7e2baa06ed8ccbb6335a9532326faa74c43a6310aa919a4a","observation_id":"bd2cbf94-192f-4979-955b-a9a266ab8b11","resolution":{"observed_at":"2026-08-07T11:39:52.921243Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2506.01761","last_updated":"2025-06-02T15:10:01Z","latest_version":1,"primary_category":"eess.SP","snapshot_observed_at":"2026-08-07T11:31:48.197725Z","submitted_at":"2025-06-02T15:10:01Z","title":"A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems"},"reference_resolution":{"displayed":16,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":1,"verified_exact":0,"verified_fuzzy":15},"total_outbound_references":16},"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":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 8 August 2026, this Paper Citation Record lists 16 of 16 outbound references and 1 inbound Pith citation observation for arXiv:2506.01761."}