{"as_of":"2026-08-19T08:19:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:96e733f0f59b019ea429399f0842f527f7ad8f5bc301c19f5abcfeb0d3e82478","coverage":[{"denominator":38,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":38,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T12:43:53.911916Z","state":"measured"},{"denominator":38,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":38,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-19T06:32:44.657259+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/1908.06655/citation-record","integrity":"/paper/1908.06655/integrity","json":"/paper/1908.06655/citation-record.json","paper":"/paper/1908.06655"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T12:43:54.267486Z","title":null,"venue":null,"work_id":"beb3d280-74a6-4388-81c7-9092dcbf8162","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.790543Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:d96e4397f97e39a53ae8af062d9615d9d3196a833b4fafe1afb4918505ad55f4","observation_id":"d02b5fac-cfa5-4428-b718-93cfca696a17","resolution":{"observed_at":"2026-08-14T12:43:54.271776Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.290277Z","title":"(31) The associated error is ϵΣ 2","venue":null,"work_id":"b7f6e8cb-cbed-4b57-bbdc-8e2338f34393","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.784075Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:0f69199ea11bed0610dde15a7277a56f62afdb70691a7d831e6821d8888a5575","observation_id":"a72723de-ed67-48f4-8829-8deaafdf6e1a","resolution":{"observed_at":"2026-08-14T12:43:54.294452Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.244211Z","title":"To this end, we exploit the quantum random access memory (QRAM) introduced in Refs","venue":null,"work_id":"9a87ec55-ce7e-4b74-925a-cf9bfebcc77c","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.796655Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:65ffcfddaeb5d510a113dbc0bbf1b7e41697cb7791a0afd4a3a7327a0bd1ada9","observation_id":"cd28b44a-5783-466e-b454-d2670b68fdde","resolution":{"observed_at":"2026-08-14T12:43:54.248739Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.279352Z","title":null,"venue":null,"work_id":"8795ea6f-0901-4ea1-852d-68fea413ff53","year":2000},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.787393Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:29af0005e187bc807b3cfc6bf3a85e7bafb3c34f20d1e02ca3fea0cf7da22e11","observation_id":"ba842db7-02fa-4e9b-afec-511b46f56f6b","resolution":{"observed_at":"2026-08-14T12:43:54.282071Z","resolver_source":"raw_fallback","status":"malformed_identifier"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.255441Z","title":null,"venue":null,"work_id":"fb87b106-5efe-4fa8-bd74-980a43fb1792","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.793509Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:680fac10640acf501916f9ffb4fe45ed8a9c0278ab94f4784fbd26dff2d00742","observation_id":"c79d00c9-83ef-40fb-9f14-26d90e358f51","resolution":{"observed_at":"2026-08-14T12:43:54.259240Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.198511Z","title":"Rebentrost, M","venue":null,"work_id":"5e87a64c-c7bd-417a-83f2-030c85517db0","year":2014},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.823279Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:145f034ae94563288dc13ad4f3509091bc193678307aebbed04f802f49eb423a","observation_id":"f5791ed3-c70b-4fc7-99af-801e3be66235","resolution":{"observed_at":"2026-08-14T12:43:54.201823Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.232451Z","title":"LetM∈ Rd×d that satisfies‖M‖2 = 1 and x∈ Rd","venue":null,"work_id":"ff20cbc1-241e-49e6-b816-e551ae6a867f","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.800659Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:54e35ab9f05485e85ef18d29e7a6ed135ed4d1ca74279477adb6a220ce7d3592","observation_id":"2bc5eca0-47c8-49be-9f0e-670a9bbcb044","resolution":{"observed_at":"2026-08-14T12:43:54.236183Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:53.804170Z","title":null,"venue":null,"work_id":null,"year":1999},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.804170Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:11c52e886373904d0419bc66d671b38bf9219ee0f6d95acd33bcc96fbd8dd0da","observation_id":"1a8e44b6-a33d-449c-8bf9-7238c3aaac34","resolution":{"observed_at":"2026-08-14T12:43:53.804170Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T12:43:53.807287Z","title":"Quantum computation and quantum information,","venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.807287Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:4c3a287c5e104045bfc914f82873c214b0a7704e82af0eed2a6288a604b927bb","observation_id":"8766a2d2-384f-4b98-8620-1cc5a3530190","resolution":{"observed_at":"2026-08-14T12:43:53.807287Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T12:43:53.811565Z","title":"Biamonte, P","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.811565Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:1f1c5ff460596e562be5831930e857ea4be29f495e78d53ffd071f6d9096d401","observation_id":"946bef73-00dc-4579-8ae2-83e4c9d018b7","resolution":{"observed_at":"2026-08-14T12:43:53.811565Z","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":"2026-08-14T12:43:54.302107Z","title":"(18), we get |Φi,k⟩ such that ‖| Φi,k⟩−| 0⟩⊗L|˜pi,k⟩‖ 2≤ √ 2∆","venue":null,"work_id":"822a5f99-4170-4e06-91a0-091efa187064","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.779494Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:72b4cc0c1d61778ac808f5cb0f259c8a6e341fe5348be814ef84b553ed6ee327","observation_id":"2a11006a-5f13-45d7-b5fa-7b44781f2357","resolution":{"observed_at":"2026-08-14T12:43:54.306120Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1307.0411","last_updated":"2013-11-04T22:51:55Z","snapshot_observed_at":"2026-08-15T00:12:12.254803Z","submitted_at":"2013-07-01T15:38:12Z","title":"Quantum algorithms for supervised and unsupervised machine learning","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1307.0411","snapshot_observed_at":"2026-08-14T12:43:53.815234Z","title":"Lloyd, M","venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.815234Z"},"links":{"cited_paper":"/paper/1307.0411","citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:6da5be49b3ac9956d923791c0604a02fabdab75c4357665c50e5ddf1302ecb52","observation_id":"a06cfabc-37a8-4e31-9d3a-dd9b7b7aef23","resolution":{"observed_at":"2026-08-14T12:43:53.815234Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T12:43:53.819285Z","title":"Schuld, I","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.819285Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:835620cf703a27e42e4fc9503f3b0e4dd94c199c0e3c7bf2943cfad72d7d8847","observation_id":"e3ffdf90-3db9-4d9c-beb6-ad54d9d73558","resolution":{"observed_at":"2026-08-14T12:43:53.819285Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1401.2142","last_updated":"2014-07-18T20:50:49Z","snapshot_observed_at":"2026-08-14T23:48:59.879933Z","submitted_at":"2014-01-09T20:28:06Z","title":"Quantum Algorithms for Nearest-Neighbor Methods for Supervised and Unsupervised Learning","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1401.2142","snapshot_observed_at":"2026-08-14T12:43:53.828106Z","title":"Wiebe, A","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.828106Z"},"links":{"cited_paper":"/paper/1401.2142","citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:37e0f91b7ba08ae7be2dedbb9c0822455b13cb055921152a87e2131a9c392d58","observation_id":"098d2881-aa87-4b1a-a63e-965cd825cc54","resolution":{"observed_at":"2026-08-14T12:43:53.828106Z","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":"2026-08-14T12:43:54.188785Z","title":"Dunjko, J","venue":null,"work_id":"6116b09f-6e62-4dc3-9f87-6b4c6ae3f092","year":2016},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.832449Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:b53b751e143d292caf514681e0edfd3f7c9f4403df4bea2cc8bae83a8d5f6d66","observation_id":"1cb536e5-7bfa-401e-b4d4-83e69cc5f463","resolution":{"observed_at":"2026-08-14T12:43:54.191557Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.177904Z","title":"Pattern recognition and machine learning (information science and statistics), 1st edn. 2006. corr. 2nd printing edn,","venue":null,"work_id":"bc92cd54-5987-4ddd-892e-8f5a9a029b1c","year":2007},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.835951Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:ed736ff00db6780456a2dc71f25b3e6cdd6cf0f8d13329630bc248cd30d8be7c","observation_id":"3bf402d1-871b-489f-8982-52752c4e3de5","resolution":{"observed_at":"2026-08-14T12:43:54.181402Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:53.839421Z","title":null,"venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.839421Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:e841a974f1fb57fad601a5629be3ee1cab4a5b5b2de8cd8f4e3334103668fe54","observation_id":"09001ca5-b81f-4a9a-857f-c2917c9e03e6","resolution":{"observed_at":"2026-08-14T12:43:53.839421Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1812.03584","last_updated":"2018-12-11T10:08:16Z","snapshot_observed_at":"2026-08-18T17:09:39.058803Z","submitted_at":"2018-12-10T00:25:50Z","title":"q-means: A quantum algorithm for unsupervised machine learning","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1812.03584","snapshot_observed_at":"2026-08-14T12:43:53.842470Z","title":"Kerenidis, J","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.842470Z"},"links":{"cited_paper":"/paper/1812.03584","citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:055cba43f671e1f5905cdf010ce757c634379c5daccf45971a9aa84951ee4334","observation_id":"05e65cff-f46e-428d-b6cf-f7b2d617de2d","resolution":{"observed_at":"2026-08-14T12:43:53.842470Z","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":"2026-08-14T12:43:54.158663Z","title":null,"venue":null,"work_id":"55a2c9a6-27f3-4ae8-a1b3-8223cbb3e162","year":1977},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.845545Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:4002254efe5d8839f40f13dfb72fd05d0775d1e15e120d4debca7b57ecb74236","observation_id":"79c5fade-f2d4-488f-a578-e8bf8e6b5c34","resolution":{"observed_at":"2026-08-14T12:43:54.162221Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.145115Z","title":"Miyahara and K","venue":null,"work_id":"4479976b-4d01-4a12-9b9d-5035dc99871b","year":2016},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.848688Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:3f28fe93f739ec52cabfe925f293003ecb796ab707c72a666cf0e0b6c7ccd331","observation_id":"59f9b5af-536a-4a26-b814-1fcdf6d8c5e0","resolution":{"observed_at":"2026-08-14T12:43:54.148993Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.134093Z","title":"Miyahara, K","venue":null,"work_id":"089ef343-f85c-4a3a-ba1d-ec92afa89efc","year":2016},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.851811Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:1b340408f60eb93378fc92fd41f085065864c53f7cfc8c3fd21e461046e7dfd1","observation_id":"704f38b6-9ba5-4161-8e25-876c09fd6806","resolution":{"observed_at":"2026-08-14T12:43:54.137739Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.122010Z","title":"Miyahara, K","venue":null,"work_id":"8620820e-73f5-4189-b2a4-d063bf96ba15","year":2017},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.855451Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:bc7ae7fbf99fe18dcaa7d4951da52861e00cc42dd97a7845072499548ca59806","observation_id":"6ff24db8-fbbc-413d-907b-32d4d1462362","resolution":{"observed_at":"2026-08-14T12:43:54.126426Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.111323Z","title":"Miyahara and Y","venue":null,"work_id":"db250c23-f197-40d2-b80d-50b503a5acc7","year":2018},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.859257Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:d9205cd36df987651a45dbeb3f15ae89f8d0628e6b7fa9a5e32e739fa21c981c","observation_id":"9bd7efde-469d-444e-aa63-af65975396e7","resolution":{"observed_at":"2026-08-14T12:43:54.114563Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.100568Z","title":"Kerenidis, A","venue":null,"work_id":"9f765dbe-8cf9-4d7d-baae-e89c62b4e8e7","year":2019},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.862766Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:a9985086f6ba7bf66fb53ea8a40585eb3d2c724e54667a9f52eea11c19009714","observation_id":"da71dc55-78bc-4b66-a1a5-fcac211e242c","resolution":{"observed_at":"2026-08-14T12:43:54.103807Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:53.866792Z","title":"Brassard, P","venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.866792Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:2c5cfac98642993bd05f4b2395e3b2b47400b78a462e9fd0a13ca95c3905ada4","observation_id":"0d4c01c2-4cca-4530-a420-ccc4e9f6838c","resolution":{"observed_at":"2026-08-14T12:43:53.866792Z","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":"2026-08-14T12:43:54.084384Z","title":"[7], and it is called median evaluation in Ref","venue":null,"work_id":"4a393581-78f3-4662-b547-64ef4d443e34","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.870423Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:0dcb448aa0ed15e3c26063452b3165439e64af57e48ad46fb8a5b240cfc3b34b","observation_id":"ff22a11f-5469-4d1a-91c2-491da826cf88","resolution":{"observed_at":"2026-08-14T12:43:54.087718Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1804.01973","last_updated":"2018-09-03T18:54:53Z","snapshot_observed_at":"2026-08-14T19:28:51.497577Z","submitted_at":"2018-04-05T17:51:01Z","title":"The power of block-encoded matrix powers: improved regression techniques via faster Hamiltonian simulation","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1804.01973","snapshot_observed_at":"2026-08-14T12:43:53.874020Z","title":"Chakraborty, A","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.874020Z"},"links":{"cited_paper":"/paper/1804.01973","citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:87f45dc5fc64a4248be881c36d1f323e39b3622e83fc2177d156c5c43271e1b2","observation_id":"48477854-2625-4a2b-94b2-6e360bb72b68","resolution":{"observed_at":"2026-08-14T12:43:53.874020Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1805.08837","last_updated":"2020-11-19T01:18:41Z","snapshot_observed_at":"2026-08-18T17:08:33.795606Z","submitted_at":"2018-05-22T19:56:37Z","title":"Quantum classification of the MNIST dataset with Slow Feature Analysis","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1805.08837","snapshot_observed_at":"2026-08-14T12:43:53.878797Z","title":"Kerenidis and A","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.878797Z"},"links":{"cited_paper":"/paper/1805.08837","citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:c09043763ffe753a245ba982d88f695a778e8d06b2936156fe99e7151ce173a5","observation_id":"3ec29dfc-4db3-4c70-b98c-7f258b4d85d5","resolution":{"observed_at":"2026-08-14T12:43:53.878797Z","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":"2026-08-14T12:43:54.073329Z","title":"Hoeffding, in The Collected Works of Wassily Hoeffd- ing (Springer, 1994) pp","venue":null,"work_id":"5da4d3cc-cb44-4ff1-8b85-e1795c7c23bd","year":1994},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.882431Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:2167ac97ed1cb332eb240ed34d0d6788232a2aa4834437b81b2f42e2bfa286fa","observation_id":"7d4eaf67-585d-4e05-b046-30bddb5e1b0c","resolution":{"observed_at":"2026-08-14T12:43:54.077759Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.061460Z","title":"Cornell and S","venue":null,"work_id":"4c92515f-7427-4101-b73a-32a6306a017e","year":2015},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.885448Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:14fe4dd9c38b9fd8d2478126bbc046a015d9cbadbf705b493803a43f82cb1867","observation_id":"fa4d3811-da64-4230-9bba-da81a198a2be","resolution":{"observed_at":"2026-08-14T12:43:54.065419Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.050223Z","title":null,"venue":null,"work_id":"f32026cb-679b-4ab6-84ac-286d5aeb6792","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.888348Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:18ff43d69b5aeeea9e5dcfa4bb5c3274f4ae3a61674f845c504a823e9e9f9258","observation_id":"c24d25da-7ac4-485b-a6e7-f629d4e42815","resolution":{"observed_at":"2026-08-14T12:43:54.053393Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.038027Z","title":null,"venue":null,"work_id":"2c71c176-8c34-468b-b678-4dc23509857d","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.891845Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:51eb086ecdbfc99721cec76d303f047468362966ac0c5ebf1e766d6445b50b33","observation_id":"c7b8d94c-2818-4474-b1e1-e5b21032a19b","resolution":{"observed_at":"2026-08-14T12:43:54.041430Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.027072Z","title":"Note that the GMM has the symme- try on swapping the indices; then, we use the maximum value on swapping","venue":null,"work_id":"ed2a99c8-b2dd-4101-a922-1f43087c8ca0","year":null},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.894869Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:bc91f330a03d7664edb08f513ed6febda7f2cbdc1bcb8ad5fbbfe12fe7a71531","observation_id":"eedc41e6-836a-430e-9c5b-cde1d97b961c","resolution":{"observed_at":"2026-08-14T12:43:54.031269Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.016150Z","title":null,"venue":null,"work_id":"c38545c0-1cf6-4ddd-8931-e0a4c5e9a2f9","year":2018},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.898639Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:308483c32fa945d25cb330acaf1ef121f2bfe5e47c68e41ff4b59113953a223d","observation_id":"98cd5226-e91c-4caa-b5d4-c920ceebf2e1","resolution":{"observed_at":"2026-08-14T12:43:54.019336Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:54.004990Z","title":"Dlaska, L","venue":null,"work_id":"138c5cca-55aa-40a2-b1eb-2a6c911b3804","year":2019},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.901663Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:3a1e2e0863db76b191428f7119ad8ab660af7bf0d2a1d3dd380c1371e409df9f","observation_id":"74d08e94-f09e-4873-87e2-ff87c46a1919","resolution":{"observed_at":"2026-08-14T12:43:54.008845Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.10246","last_updated":"2020-01-27T08:35:40Z","snapshot_observed_at":"2026-08-14T16:42:46.349693Z","submitted_at":"2019-04-23T11:12:11Z","title":"Amplitude estimation without phase estimation","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.10246","snapshot_observed_at":"2026-08-14T12:43:53.904951Z","title":"Suzuki, S","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.904951Z"},"links":{"cited_paper":"/paper/1904.10246","citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:9c5beee556f338608d4374ee3e23c339fa1168fccd7efd7f0aea49a0f49ff6b0","observation_id":"1f979a66-19ee-4168-a8de-d14e463b8bb6","resolution":{"observed_at":"2026-08-14T12:43:53.904951Z","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":"2026-08-14T12:43:53.993440Z","title":"Giovannetti, S","venue":null,"work_id":"f228a5ab-8990-4c78-ae64-6b2da9cf2c4a","year":2008},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.908979Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:9e7d172987bba2cdf34bf4a842fbeae4a913278690485701759298b3efee9542","observation_id":"fda8b340-32e1-4885-ab4f-e3731b67c74f","resolution":{"observed_at":"2026-08-14T12:43:53.997824Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+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":"2026-08-14T12:43:53.911916Z","title":"Giovannetti, S","venue":null,"work_id":null,"year":2008},"citing_paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-14T12:43:53.911916Z"},"links":{"citing_paper":"/paper/1908.06655"},"observation_digest":"sha256:0bbbb791e68612b6f69d92881c617181fcd184ac23a72da96ee499d6ba872b47","observation_id":"5c55702d-ae4f-4ed3-8fb9-1db0224de765","resolution":{"observed_at":"2026-08-14T12:43:53.911916Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"1908.06655","last_updated":"2019-08-19T09:19:54Z","latest_version":1,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-18T17:10:58.943970Z","submitted_at":"2019-08-19T09:19:54Z","title":"Quantum Expectation-Maximization Algorithm"},"reference_resolution":{"displayed":38,"state_counts":{"malformed_identifier":1,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":19,"verified_exact":0,"verified_fuzzy":18},"total_outbound_references":38},"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":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"thesis":"As of 19 August 2026, this Paper Citation Record lists 38 of 38 outbound references and 0 inbound Pith citation observations for arXiv:1908.06655."}