{"as_of":"2026-08-23T06:41:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:86381e36bd4f8dd9216c13f918d8f149793b90431e631728b3bb68d57509d02e","coverage":[{"denominator":22,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":22,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T05:19:03.364096Z","state":"measured"},{"denominator":22,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":22,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-23T06:30:58.430688+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/1909.01538/citation-record","integrity":"/paper/1909.01538/integrity","json":"/paper/1909.01538/citation-record.json","paper":"/paper/1909.01538"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T05:19:03.610938Z","title":null,"venue":null,"work_id":"24b963e6-c046-4e5c-829b-4686004909f3","year":2017},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.288595Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:d50c88ddb5506f80d339a684100377e056903d96fbdc5295014ef876c1c2469e","observation_id":"bd6f5d54-db71-4e56-b5f9-4147ea0c5820","resolution":{"observed_at":"2026-08-14T05:19:03.614079Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.600347Z","title":"& Fujiwara, Y","venue":null,"work_id":"c428d198-91e8-4dd9-9afe-b93fba7fa814","year":2018},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.292918Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:eab5d8f0a1c53e1d90a06f8f3f99319a9e959b642899aa815ad3b621e955a4a7","observation_id":"9f98cbd5-67da-4597-993a-c953abded38b","resolution":{"observed_at":"2026-08-14T05:19:03.603996Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.590634Z","title":null,"venue":null,"work_id":"14adbf02-1e4c-4b97-bb5e-093360c66126","year":2009},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.296599Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:a27e19995c16b675232b32d1bcb18921ec9dcf98e2321f52da379728b83c2083","observation_id":"df0dca0f-8fb3-45b6-87ca-047556e41438","resolution":{"observed_at":"2026-08-14T05:19:03.594091Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.580162Z","title":"& Dierolf, V","venue":null,"work_id":"0dba7c50-7404-44ef-b879-5a381c186aaa","year":2011},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.301191Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:ccaf774bd43b11fbc22b29ec206dd9883363a867484376030cb8c83bd1b3fecc","observation_id":"bfc3f59a-a6d9-4c4b-aa30-000fda2c7f0c","resolution":{"observed_at":"2026-08-14T05:19:03.583929Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.570129Z","title":"& Dierolf, V","venue":null,"work_id":"3bd3c770-03f9-4371-b3c9-fcd891a264a2","year":2014},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.304758Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:bb5ecca2b5c137c54df9324dfa48953f31688a56690f4b9934906f44ae66faa4","observation_id":"1794d35f-28b3-423c-8297-8c53a6164344","resolution":{"observed_at":"2026-08-14T05:19:03.573619Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.560158Z","title":null,"venue":null,"work_id":"e86bbf5f-49b1-484a-bda6-23c85645dc9b","year":2010},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.308424Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:9ba95bfa8999498df2338e20aa5693e5e9a5ad3e959e4f48b040405df0423b13","observation_id":"55fbfc51-2ba3-4eab-a383-5a85b98b108e","resolution":{"observed_at":"2026-08-14T05:19:03.563773Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.550218Z","title":null,"venue":null,"work_id":"6e441ce8-6348-419e-bf09-1457229751f4","year":2013},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.312636Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:d4a401d8337f8b8ab3d1f8740810a5bd0e6c39e1675e9c9a87a8ca0db485a9b4","observation_id":"ad30160b-7d6f-4071-aecc-caf990ccdc5b","resolution":{"observed_at":"2026-08-14T05:19:03.553911Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.540231Z","title":null,"venue":null,"work_id":"29491bb2-9b01-4977-8cc3-590b128ecb9c","year":2017},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.316013Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:79abfa0ec64618bd8a6b6ee8951dd423cf7d2fb04f84ae933d3b0dbd459af6ca","observation_id":"cfa09674-625d-4208-95db-af807c10c2c1","resolution":{"observed_at":"2026-08-14T05:19:03.543658Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.530185Z","title":null,"venue":null,"work_id":"a8a75e8b-cdaa-4e73-9223-bcdafbcb7d2e","year":2018},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.319636Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:840bbf60530c48d1e2fc2f5ed78ddd3b81f223f905ee67417e45243326abc442","observation_id":"0add32a3-547f-43fc-95c4-248253494da3","resolution":{"observed_at":"2026-08-14T05:19:03.533742Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.520138Z","title":null,"venue":null,"work_id":"106df4ce-1a16-49ff-a849-c8050f1b3aae","year":2016},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.323043Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:a4d9ffb01cc552328e30e0cfb83753c015f10e27e649503152fab99ce2e74278","observation_id":"8bd01153-b9de-4ccc-a9d8-93e100d74c00","resolution":{"observed_at":"2026-08-14T05:19:03.523838Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.510385Z","title":"& Fujiwara, Y","venue":null,"work_id":"8943ef04-e7e2-451b-b633-beff38437d46","year":2009},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.326517Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:7878dbefeb9275e5bf5498e0635f93ca1abd53cd2469a9c045fc0f2eb09d75fc","observation_id":"6a074384-647a-4f73-90f9-fb90d60cbb09","resolution":{"observed_at":"2026-08-14T05:19:03.513883Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.500111Z","title":null,"venue":null,"work_id":"66d95f51-34e8-43bc-9de8-9e559e3e7484","year":2019},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.330066Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:6b543c686078f1f34ddff6be8aa8c860d784c0ac71596497fce9860ab998256a","observation_id":"bcecb76b-b85f-463e-befc-a69640c2e2c4","resolution":{"observed_at":"2026-08-14T05:19:03.503784Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.489621Z","title":"& Shiojima, K","venue":null,"work_id":"3b656a82-7fd2-4d0c-989c-c8dfc1028a95","year":2012},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.333407Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:a42beceb72e7b78269b996afd151d776b7e73b1596219ad18acf067258cc003a","observation_id":"f4e16c1b-fac3-4283-9726-a91f0b176b5a","resolution":{"observed_at":"2026-08-14T05:19:03.493146Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.479123Z","title":null,"venue":null,"work_id":"f09c61ad-f7dd-4672-8006-aa63d9ebafed","year":2004},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.337380Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:47282edf21ef9a151aa4845354dab63b04fadf048588c0b224944ce128724b61","observation_id":"b25ed436-5e92-4072-8905-20fe7d924a8a","resolution":{"observed_at":"2026-08-14T05:19:03.482777Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.468292Z","title":null,"venue":null,"work_id":"8c05b9a0-22df-45b9-8ed7-8d7fee244134","year":2011},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.340782Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:00a3d424b5eabe249144a6b3ed85e3ecd756ea01ce4bf84f3629b6fdbee0abce","observation_id":"2c8c5b3e-0d55-4e65-8a4f-55e90a88b923","resolution":{"observed_at":"2026-08-14T05:19:03.472250Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.457704Z","title":null,"venue":null,"work_id":"4ea4e442-9977-4276-b71b-b9921129f16f","year":2005},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.344135Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:7ecdb6cea1572a9658a303e792a745d1d4a977ccf4fa1e0bad720988e189a748","observation_id":"4268e4aa-f39a-4f88-b89d-dcdc377ccf76","resolution":{"observed_at":"2026-08-14T05:19:03.461286Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.446184Z","title":null,"venue":null,"work_id":"a7434e70-a916-4e59-8791-47c3b2324342","year":2014},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.347403Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:fcfe26b1eb637a9d227b5b97ff3627b1de78644854d7912a2b298ce3fc906a8c","observation_id":"e39c38ca-6528-4b9b-9f9f-f7355cc92177","resolution":{"observed_at":"2026-08-14T05:19:03.449966Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.433462Z","title":"4f–4f Luminescence of Rare-Earth Centers in II–VI Compounds","venue":null,"work_id":"1b08d59d-014b-48d7-83ba-bc3e2e49bdf5","year":1988},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.350868Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:b7d5becf05ef834333d9d2ea89a84e2e8ca3ee42ed21acabf8ce1d5ee0e07f34","observation_id":"379148f9-4901-4089-a9cb-9c57af9ef1c6","resolution":{"observed_at":"2026-08-14T05:19:03.438416Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.422825Z","title":"& Fujiwara, Y","venue":null,"work_id":"60e3cd14-8350-41e0-96d0-ddaeba9c9ca6","year":2013},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.354349Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:b562d47098d0cd880990cc5d036cf9f88ff964af4bc64db8050bc0c68f10b30a","observation_id":"58c234d4-3e4a-4a7a-9bd6-91055eb7f2b5","resolution":{"observed_at":"2026-08-14T05:19:03.426376Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.412531Z","title":"& Boyn, R","venue":null,"work_id":"9d31cc55-1123-4434-97bf-0093be02acdb","year":1987},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.357744Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:16ddfbd7fc09a96555a3cc1612a8aae6fb8b996e71f87f0a32bb634c332a2132","observation_id":"a7f68741-3c14-4560-b437-c61a6bae0347","resolution":{"observed_at":"2026-08-14T05:19:03.415991Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.401790Z","title":null,"venue":null,"work_id":"439edc5a-1e60-4f5b-a178-1208de58d8df","year":2014},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.360676Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:3bcfe16f226061e04db0f548fd15b5cdc9b77734d4c2d2332163ccfb5f99343c","observation_id":"1f94208a-4a33-4969-b63d-f1c9a16a436f","resolution":{"observed_at":"2026-08-14T05:19:03.405424Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+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":"2026-08-14T05:19:03.389534Z","title":null,"venue":null,"work_id":"d2137e07-a40d-4104-93ef-7aafd7268874","year":2018},"citing_paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T05:19:03.364096Z"},"links":{"citing_paper":"/paper/1909.01538"},"observation_digest":"sha256:6f3a381c47c6f50ccd889ad1e5b631f81d6237b69955e79ad7208cd476dfcaf3","observation_id":"688856e4-aa3c-4bd0-91da-6c14075aa339","resolution":{"observed_at":"2026-08-14T05:19:03.394341Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1909.01538","last_updated":"2019-09-04T03:24:26Z","latest_version":1,"primary_category":"cond-mat.mtrl-sci","snapshot_observed_at":"2026-08-19T04:10:26.602636Z","submitted_at":"2019-09-04T03:24:26Z","title":"Excitation efficiency and limitations of the luminescence of Eu3+ ions in GaN"},"reference_resolution":{"displayed":22,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":14,"verified_exact":0,"verified_fuzzy":8},"total_outbound_references":22},"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":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"thesis":"As of 23 August 2026, this Paper Citation Record lists 22 of 22 outbound references and 0 inbound Pith citation observations for arXiv:1909.01538."}