{"as_of":"2026-08-16T18:49:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:278c9e20c42348e851cd9af3d307747b700595f9fc4a0ad51d608cf0f95dfbe1","coverage":[{"denominator":44,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":44,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T13:42:05.078860Z","state":"measured"},{"denominator":44,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":44,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/2501.16407/citation-record","integrity":"/paper/2501.16407/integrity","json":"/paper/2501.16407/citation-record.json","paper":"/paper/2501.16407"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.777547Z","title":"Microwave multimode memory with an erbium spin ensemble","venue":null,"work_id":"0c0ddf9f-64fa-4d09-abd3-1ccf6b8346d5","year":2015},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.866655Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:c8c1698db6ebb2184c237568d497b25ab283fa708f8088f0028ec564a672bfcb","observation_id":"d671fd54-d33b-464c-bfe8-fc76be5ff67e","resolution":{"observed_at":"2026-08-10T13:42:05.782400Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.762661Z","title":"Williamson, Yu-Hui Chen, and Jevon J","venue":null,"work_id":"3300e05e-b826-4719-b455-aa93ca866c9f","year":2014},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.873581Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:a7accb64e8841b3a44f0afd229ff50de310a8eb44b33538508bf9307200cb4a4","observation_id":"6ac53106-59eb-4b00-a3b1-0556e3bda20a","resolution":{"observed_at":"2026-08-10T13:42:05.767705Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.746451Z","title":"Coherent frequency up- conversion of microwaves to the optical telecommunications band in an Er:YSO crystal","venue":null,"work_id":"3b6b6672-4ec4-469c-989f-45b2aa26ba64","year":2015},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.879389Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:6cb8953a2e93e203c3899b805d727c4cd3d74cb210ad37cb3af7a42f3ebb163a","observation_id":"f63afeed-2b0a-4b41-beb6-bccc28ac04f3","resolution":{"observed_at":"2026-08-10T13:42:05.751411Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.730181Z","title":"Frequency upconversion in rare earth ions","venue":null,"work_id":"4492d733-40d2-4b21-ad90-8e2b031ec19e","year":2012},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.885973Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:f578bd05700d07dff15c3e35481a61f4558268a0e77def9fb06d7afa724fdf33","observation_id":"637279f3-63b3-4bab-84ac-45aad329cb41","resolution":{"observed_at":"2026-08-10T13:42:05.735525Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.714465Z","title":"Fraval, M","venue":null,"work_id":"eaacb938-9278-43ba-bcd3-fdd848216b73","year":2005},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.891382Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:6421b7b7e072dfa0ff3f767d1ad34cd1a30cc34c2f771684616cb0cd5c04d6e9","observation_id":"14676f2e-37db-4484-a73f-5fb02ec719b2","resolution":{"observed_at":"2026-08-10T13:42:05.719166Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.698427Z","title":"Hedges, Rose L","venue":null,"work_id":"3f6bb7f6-9489-4d8f-ba19-2876f26c21e1","year":2018},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.896215Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:5d11305dc2573b1c95b8639630b8ae700453c5de29cc758e2157c1875fc78d0a","observation_id":"aac3a237-86fa-4d61-9590-40c99b5e3ea8","resolution":{"observed_at":"2026-08-10T13:42:05.703133Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.683760Z","title":"One-hour coherent optical storage in an atomic frequency comb memory","venue":null,"work_id":"82ed5e5c-1937-40fd-b270-e45e3c193f35","year":2021},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.901328Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:739064a46fc79e5d29b05ab62de29e99a8ec6b6b585c3667f2969199ab11c728","observation_id":"1d162b20-90e9-47d8-b790-4b528d17e251","resolution":{"observed_at":"2026-08-10T13:42:05.688617Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.668631Z","title":"Sellars, Rose L","venue":null,"work_id":"1f0e030c-603e-4e46-a2a3-0b6f69092f41","year":2025},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.905496Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:b8510ecae9cf7c72a78c8bb6b43b40dab1ea1a2877284b5ca0f19ee8614cacd5","observation_id":"c1629c0e-8771-4817-a6be-a2332aefb366","resolution":{"observed_at":"2026-08-10T13:42:05.673188Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.653302Z","title":"Optically addressable nuclear spins in a solid with a six-hour coherence time","venue":null,"work_id":"4dc9f0f6-5258-4b68-8dae-6cfa711588f3","year":2015},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.909661Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:a028a249c767c954395d024787b3c745accf23fc102549a57a7389dacc6164c5","observation_id":"a74c5d68-7c51-4ecd-9916-44a796a26b18","resolution":{"observed_at":"2026-08-10T13:42:05.658254Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.637007Z","title":"Quan- tum information processing using frozen core Y 3+ spins in Eu3+:Y2SiO5","venue":null,"work_id":"3697dadb-a39b-4b0d-bd11-e3ae41d2360f","year":2019},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.914040Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:d08ff2ff931722e08f8042e94e3d51763c311cb6600d928b295e3cdc28911fdf","observation_id":"10ae15ab-9035-433b-b4e0-4f32f3d49999","resolution":{"observed_at":"2026-08-10T13:42:05.642533Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.619436Z","title":"Uysal, Mouktik Raha, Songtao Chen, Christo- pher M","venue":null,"work_id":"695a0775-4c91-4d46-a846-457fe2e99aa3","year":2023},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.918896Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:24a0c628b20bb4e01e140839543f1972a92c20881b4af0b343e5bdf6b8c4e0af","observation_id":"7fe9bb25-c08a-40cf-80b9-3a220a4e4d4f","resolution":{"observed_at":"2026-08-10T13:42:05.624850Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.603765Z","title":"Joseph Heremans, Hosung Seo, Gary Wolfowicz, Christopher P","venue":null,"work_id":"d6459da0-0285-4eba-8fa3-da5e27141fbe","year":2022},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.923205Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:d5bcc885bdba65bfe8d9430c9dda5916ebab29c8584bd1aea84407f050019843","observation_id":"3bbe9c61-0f93-4b79-ac68-9ab8018bad85","resolution":{"observed_at":"2026-08-10T13:42:05.608343Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.588844Z","title":null,"venue":null,"work_id":"60def22b-c5b0-4a4b-b3cb-7cc08377a581","year":2014},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.927512Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:4902788a0563c94545af4fb1190b803caa64f252cfdc813e23c44d47ddca11f2","observation_id":"da102638-9e38-44cc-a2fa-3702be92203d","resolution":{"observed_at":"2026-08-10T13:42:05.593262Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.574745Z","title":"183W nuclear dipole moment determined by gas-phase nmr spectroscopy","venue":null,"work_id":"4afa5b2b-2d49-447c-b774-a65c90bd58f0","year":2017},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.931434Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:f5288a33da258472e67b2ea181b852674286b88452217e26383aacdc76a337c5","observation_id":"5991b4fa-6e2a-41ca-8a5a-39fdb65819e3","resolution":{"observed_at":"2026-08-10T13:42:05.578930Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.560793Z","title":"Le Dantec, Milo Rani, Sen Lin, E","venue":null,"work_id":"289eb37c-6128-4eba-9f49-0f9af068aa07","year":2021},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.936133Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:42bc03e42a4c1df686c39a8755e6c84fc734a9844c774dca532cd993e09d2669","observation_id":"d9b35a71-3bb5-410c-97a4-8424b1654dd5","resolution":{"observed_at":"2026-08-10T13:42:05.565537Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.544660Z","title":"Uysal, Łukasz Dusanowski, Haitong Xu, Sebas- tian P","venue":null,"work_id":"63c4b3ac-6d9a-4ef7-a499-7f5b30f9b0c2","year":2024},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.940585Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:e0fc99b4690632673c59de5c3f961e162b9a006b7b8e5fcfe514195f863cfcfa","observation_id":"e0d96a9f-ac64-4419-8c09-9009c27adbab","resolution":{"observed_at":"2026-08-10T13:42:05.549867Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.529494Z","title":"Coherent spin manipulations in Yb3+: CaWO 4 at x- and w-band epr frequencies","venue":null,"work_id":"890e348e-5422-40f1-a3b5-d5ee6c553627","year":2009},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.945305Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:b80e7f8eda79f6916ec5b4480dff0ca38af54ba69b980ce2fdd15203cbdb904a","observation_id":"a38b615a-3b4b-4530-b8bb-c918482f75e9","resolution":{"observed_at":"2026-08-10T13:42:05.534336Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.514448Z","title":"Spec- troscopic investigations of Pr3+: CaWO 4 at liquid-helium tem- peratures","venue":null,"work_id":"ae55c41b-6a87-461c-8c60-e7df4487127b","year":2023},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.950238Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:774311d08593d56e2f0464cfe704951a9a19c4761e47c925fe9f69830ba86a35","observation_id":"c81dc7bb-5ebb-47b6-bf04-3665264f4e96","resolution":{"observed_at":"2026-08-10T13:42:05.519586Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.497960Z","title":"Tobar, Ben T","venue":null,"work_id":"ab6ceedd-4f35-40c9-b1d7-81faea246b83","year":2024},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.954923Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:841d34d769cb7caf872fc81cee2a04a2373431a8a2d7578b722c09e21fc9479d","observation_id":"73778d8d-0ec6-4288-a72b-b657c610549f","resolution":{"observed_at":"2026-08-10T13:42:05.502963Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.481205Z","title":"Enhanced quantum efficiency and thermal stability in CaWO4:Eu3+ phos- phor based on structural modification induced by co-doping Al3+","venue":null,"work_id":"a2e67d30-9fc9-4daf-8337-b4ce706cc982","year":2020},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.959699Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:1206099867a507bba905115e146f01a4b467d52707616573805ec7145e275dd5","observation_id":"952c646a-56bd-451d-bc75-49ad0826f5d6","resolution":{"observed_at":"2026-08-10T13:42:05.486300Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.465293Z","title":"Luminescence prop- erties of CaWO 4 and CaWO4:Eu3+ nanostructures prepared at low temperature","venue":null,"work_id":"e69dc9ac-a087-4a50-842c-56357a3010c7","year":2018},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.964750Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:9bd386a7b84694762a887b44ae12787e3d887599ec28619365684824914968a0","observation_id":"6f20e7c4-5a2a-4636-bf71-be2b684450a2","resolution":{"observed_at":"2026-08-10T13:42:05.470149Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.450657Z","title":"Local electric fields and the paramag- netic resonance of charge-compensated sites in (Ca, Ce)WO 4","venue":null,"work_id":"c77776e1-1861-4d1e-8046-41f3764a1e88","year":1967},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.969460Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:eca54f5041f6a2b08773be9f319d63f990bceeccc1e7969232469eb9a0a68e1d","observation_id":"b050fcce-154d-436d-9504-eed2d6add8a2","resolution":{"observed_at":"2026-08-10T13:42:05.455341Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.436358Z","title":null,"venue":null,"work_id":"d675a237-a9ca-4129-ae6d-e271f4c1cf93","year":2017},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.974265Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:5d81050c794271527f05d13f0662e583256950fc7cbf76f5c1b9fb82cee2fef4","observation_id":"8001b937-c79f-4b21-b4a1-755d401da9c6","resolution":{"observed_at":"2026-08-10T13:42:05.441011Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.421592Z","title":"Curtin, Sudip KC, Tim Schneider, Lorenz J","venue":null,"work_id":"ff418a58-f883-4be3-9602-00191dff3404","year":2024},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.979186Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:813ee11e93c9abf1f6455b97bbd8e4c609e8b678e8913c024bc8b24eac0779e2","observation_id":"dcd9c41b-7005-440f-bfac-497158709ef9","resolution":{"observed_at":"2026-08-10T13:42:05.426378Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.406479Z","title":"Efficient optical pumping of zeeman spin levels in Nd3+: YVO4","venue":null,"work_id":"fe83bfec-b7e9-41fb-b705-d464e4b838fe","year":2010},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.984482Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:0fe40cf8b6706bec535813f867ce2364e274120fa2a6b87c95ba14096d3ddc17","observation_id":"429a484a-84c8-4060-971f-19d1d9ded30e","resolution":{"observed_at":"2026-08-10T13:42:05.411186Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.391196Z","title":"Linewidth and temperature shift of the R lines in ruby","venue":null,"work_id":"296daa7a-5499-41b1-86c1-21c41b342b16","year":1963},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.989335Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:dda0c504208505b2bcb8aa15c2df5f59c1ad6c2654867cf9d659f1c868d43ffa","observation_id":"358233af-d83a-487c-a0dd-308faafaeaed","resolution":{"observed_at":"2026-08-10T13:42:05.396111Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.376954Z","title":"Senyshyn, H","venue":null,"work_id":"7c6eb501-0af4-4cd9-870f-bdd1f87456a1","year":2004},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:04.994775Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:887c7589fa93f9c19d4cecc3a4dfac55bec932f3340de3cbcfb13423940aa8dd","observation_id":"8d764ad2-867b-4474-a6ab-6be66d8708ce","resolution":{"observed_at":"2026-08-10T13:42:05.381362Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.363082Z","title":"Observation of a pho- ton echo","venue":null,"work_id":"7aabf1af-a3d5-407d-8479-1835d2063ea7","year":1964},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.000257Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:03cd9b56a35972705fa90b3331f521d34c465c949012abe8a58c1b7874533dad","observation_id":"9d7a59b3-a1da-4675-bfc1-98f3122182f6","resolution":{"observed_at":"2026-08-10T13:42:05.367262Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.348210Z","title":null,"venue":null,"work_id":"b7b20672-cbf4-4935-b79d-0ad449f2a0d6","year":1968},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.005559Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:8f06b6b4bcd59c8c6b19f1fecc941216a866e23505172e5a4df7b1ae9f2d092b","observation_id":"f7b1d537-bcd3-4580-9e55-cb82a66a680c","resolution":{"observed_at":"2026-08-10T13:42:05.352614Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.331598Z","title":"Temperature and concen- tration dependence of optical dephasing, spectral-hole lifetime, and anisotropic absorption in Eu 3+: Y 2SiO5","venue":null,"work_id":"0473a5ce-2718-4346-a6be-3cd8a648cb8b","year":2003},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.010245Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:10b43c2ddf18a224697f50c15f7d21b8eedd81940cbf78ca9af349ea6cdc85f6","observation_id":"705d56ee-0669-42e7-b48d-7142a3fb113a","resolution":{"observed_at":"2026-08-10T13:42:05.336853Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.316651Z","title":"Optical dephasing, hyperfine structure, and hyperfine relaxation associated with the 580.8-nm 7F0 - 5D0 transition of europium in Eu 3+: Y 2O3","venue":null,"work_id":"67310280-5417-4c84-9c2e-76246e4db26b","year":1987},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.015150Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:ce6d12b81a50de5b4ee76a3af654f2ef98614e81e72a8500b15c3bcc86ee51de","observation_id":"3f7ff9f0-dfba-4dc2-9fee-3452ca4f53fe","resolution":{"observed_at":"2026-08-10T13:42:05.321546Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.300968Z","title":"Spectral-hole-burning study of the hyperfine interaction in axial Eu3+ centers in CaF2, SrF2, and BaF2","venue":null,"work_id":"685b0ef0-5475-4b7a-b4d5-ed8d1d499318","year":1992},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.019792Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:52d78a7185d0b956b34814bcc30fb17e61ae8277a93b1611c00761a6ad245ed7","observation_id":"bd34f804-b8bd-4cdd-9575-6eb401664637","resolution":{"observed_at":"2026-08-10T13:42:05.305949Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.285915Z","title":"Hole-burning techniques for isolation and study of individual hyperfine transitions in inhomogeneously broadened solids demonstrated in Pr 3+: Y 2SiO5","venue":null,"work_id":"88b8e69e-4882-467b-885f-3b5af53a238e","year":2004},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.025339Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:0a1db958d12611f0f5733411564b70fed0ce6435ff792e369a735be83b51309e","observation_id":"d5e53290-0b9f-4c76-a3ef-8d3c59f319a1","resolution":{"observed_at":"2026-08-10T13:42:05.291003Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.270247Z","title":"Spectral hole-burning spectroscopy in Nd3+: YVO4","venue":null,"work_id":"57894f70-6cb4-49a9-86bb-a8b002317648","year":2008},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.031097Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:4423da2302644c0082af16021fc9629a48c0cb00ed751c28e9a307588aa1e50f","observation_id":"dbf8c5f5-3b4f-49af-a3a9-a0566d288fb9","resolution":{"observed_at":"2026-08-10T13:42:05.275442Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.254270Z","title":"Spectroscopic investigations of Eu 3+: Y 2SiO5 for quantum memory applications","venue":null,"work_id":"aeaf3e6f-b3f4-4442-9bf0-cd96edb76b40","year":2012},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.035768Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:059efb75379c5978bf676de07dee3f86548e678087915012cbd2ef40c5ecc628","observation_id":"bfc7b59b-02e2-4ed0-8d37-1f24f190a664","resolution":{"observed_at":"2026-08-10T13:42:05.259320Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.238826Z","title":"Optical frequency stabilization and optical phase locked loops: golden threads of precision measurement","venue":null,"work_id":"0cc6dd16-3c4e-4b81-b9ef-6320e22ea18d","year":2013},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.040290Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:4661638ce7dbd6ab798d0e9bcee2aeab3f0a1c11196ef1004c7bf7f6ea504fa7","observation_id":"1566067f-b23b-4b0a-b1f1-1aff24f2bd3c","resolution":{"observed_at":"2026-08-10T13:42:05.243736Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.223213Z","title":"Photon echoes using atomic frequency combs in Pr: YSO: experiment and semiclassical theory","venue":null,"work_id":"eeb58e0b-c6d3-41a3-a628-8bbc40d87707","year":2023},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.045280Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:adf91250920c8c13dfc7aa03c7455c55d7f01c0b021e85ec63ac7831e4c4e642","observation_id":"32d4b902-2d52-4e3b-9805-3db7fb8e5012","resolution":{"observed_at":"2026-08-10T13:42:05.227968Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.208481Z","title":"Michael Palin, Ian H","venue":null,"work_id":"6128d382-8e57-4269-9bd8-427c4e4bfabb","year":1999},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.049957Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:7e3fc4ed00b0588a498b954c57f3fbdd9d730541e70b918d0cedf931c1f70de4","observation_id":"8aa54840-ae11-4420-b9cf-0f8cd376fb57","resolution":{"observed_at":"2026-08-10T13:42:05.213125Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.191557Z","title":"Synthesis and optimum luminescence of CaWO4-based red phosphors with codoping of Eu3+ and Na+","venue":null,"work_id":"70a6094a-d791-4efe-9ed5-de8908d2e3e2","year":2008},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.054879Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:e46018ee7243c9f19b41f91b4012e9a39f9bc530f570857160e84918837376ca","observation_id":"79c421dc-f4dd-4fda-afda-a282dd6b724c","resolution":{"observed_at":"2026-08-10T13:42:05.197169Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.175156Z","title":null,"venue":null,"work_id":"b3104572-3235-41fe-9c81-902ba7dfd20e","year":2015},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.059473Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:dee6546705693900ee8874802ac93d14b24397cdefcac2a62b180f2cf7beead7","observation_id":"80a42342-67f7-4118-80ca-f56fa43d45b9","resolution":{"observed_at":"2026-08-10T13:42:05.179751Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.160064Z","title":"A faithful solid-state spin-wave quantum memory for polarization qubits","venue":null,"work_id":"0b15d857-0fa2-4447-8670-e561ed973e72","year":2022},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.064890Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:b31e3b29b648be2223328640062b66272de9eff1d55a0c5ab4e0c773ab03171a","observation_id":"4099c7c8-20ee-4929-9e24-ea3638d880d4","resolution":{"observed_at":"2026-08-10T13:42:05.164784Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.145837Z","title":"MACFARLANE and R.M","venue":null,"work_id":"6d9ee214-eef7-4dc1-b4f5-ca1057bbdd90","year":1987},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.069579Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:8b96c800778088d3f7a3fce0a8f4e538b2158fa620e16e0d1fb5a9187b249034","observation_id":"8be2e809-d7e3-4937-a9c8-ee96b983d49c","resolution":{"observed_at":"2026-08-10T13:42:05.150147Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.129725Z","title":"Structure and luminescence properties of CaWO4- EuO4 (m= Nb, Ta) solid solution","venue":null,"work_id":"c0dc27fb-46e5-404e-8bbd-12637ba28a40","year":2019},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.074225Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:e79abac19a8f65a939e2bbf90fe2bbaf7914cbebda8b99530c3e24eb9cbe6162","observation_id":"097f89a0-18ee-4569-908d-dd7331120d21","resolution":{"observed_at":"2026-08-10T13:42:05.134524Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T13:42:05.112128Z","title":"Eu 3+ doped CaWO 4 nanophosphor for high sensitivity optical thermometry","venue":null,"work_id":"4f8ee0a1-fd5f-49bc-84a3-ca065b7feb2a","year":2024},"citing_paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4","version":2},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-10T13:42:05.078860Z"},"links":{"citing_paper":"/paper/2501.16407"},"observation_digest":"sha256:8d617efb5e602f15235990ff0ec95134eb597d146fdcbd25bf04c6baf2b160b5","observation_id":"d516507f-c3b4-47c3-9f71-d65496ea3175","resolution":{"observed_at":"2026-08-10T13:42:05.119052Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2501.16407","last_updated":"2025-04-14T08:48:45Z","latest_version":2,"primary_category":"cond-mat.mtrl-sci","snapshot_observed_at":"2026-08-16T07:29:08.164112Z","submitted_at":"2025-01-27T17:06:38Z","title":"Optical coherence and hyperfine structure of the 7F0-5D0 transition in EuCaWO4"},"reference_resolution":{"displayed":44,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":4,"verified_exact":0,"verified_fuzzy":40},"total_outbound_references":44},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 44 of 44 outbound references and 0 inbound Pith citation observations for arXiv:2501.16407."}