{"as_of":"2026-08-15T12:32:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:519f1d43f4e5a8dfce7982244aed86e68228a7d89254c43dd3b1f15eed292178","coverage":[{"denominator":31,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":31,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T05:10:37.165326Z","state":"measured"},{"denominator":31,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":31,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-15T06:32:42.880941+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/1909.01932/citation-record","integrity":"/paper/1909.01932/integrity","json":"/paper/1909.01932/citation-record.json","paper":"/paper/1909.01932"},"outbound":[{"citation":{"cited_paper":{"arxiv_id":"1901.01899","last_updated":"2019-09-03T12:25:30Z","snapshot_observed_at":"2026-08-15T11:41:33.986472Z","submitted_at":"2019-01-07T16:19:09Z","title":"Determining the fraction of cosmic-ray protons at ultra-high energies with cosmogenic neutrinos","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.01899","snapshot_observed_at":"2026-08-14T05:10:37.028187Z","title":"van Vliet, R","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.028187Z"},"links":{"cited_paper":"/paper/1901.01899","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:d862f0a9f47b8b28e7804e4d848df0e6790abc99ad035de48f22a9416ed6d232","observation_id":"5b04478e-cfe3-46d2-901c-f5cc37ea48f2","resolution":{"observed_at":"2026-08-14T05:10:37.028187Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1311.5238","last_updated":"2013-12-16T21:52:41Z","snapshot_observed_at":"2026-08-14T23:54:32.230980Z","submitted_at":"2013-11-20T21:04:11Z","title":"Evidence for High-Energy Extraterrestrial Neutrinos at the IceCube Detector","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1311.5238","snapshot_observed_at":"2026-08-14T05:10:37.032973Z","title":null,"venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.032973Z"},"links":{"cited_paper":"/paper/1311.5238","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:b57c1caf4cf949af418f08ebdd43f7b94d451c9d39dec4e8d5d3c9dc6b0e6f4a","observation_id":"773908fb-2d56-4c86-b9a7-6fab0ce1997e","resolution":{"observed_at":"2026-08-14T05:10:37.032973Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1209.4033","last_updated":"2013-01-23T14:44:50Z","snapshot_observed_at":"2026-08-15T00:46:21.131578Z","submitted_at":"2012-09-18T16:56:41Z","title":"PeV neutrinos from the propagation of ultra-high energy cosmic rays","version":2},"cited_work":{"arxiv_id":"1209.4033","doi":null,"metadata_source":"pith","pith_arxiv_id":"1209.4033","snapshot_observed_at":"2026-08-14T05:10:37.529588Z","title":"PeV neutrinos from the propagation of ultra-high energy cosmic rays","venue":"astro-ph.HE","work_id":"9cceea84-3708-4f35-88cd-f6f4342e90cd","year":2012},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.036864Z"},"links":{"cited_paper":"/paper/1209.4033","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:c9875dd7e68b34e36e45f40d43767fdb05ff78f7d783c2edc5e033dd6078c5b9","observation_id":"66852540-6777-41aa-b3e9-306d92cf00db","resolution":{"observed_at":"2026-08-14T05:10:37.535283Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1807.01820","last_updated":"2018-09-05T03:18:02Z","snapshot_observed_at":"2026-08-14T18:55:33.147407Z","submitted_at":"2018-07-05T00:51:18Z","title":"Differential limit on the extremely-high-energy cosmic neutrino flux in the presence of astrophysical background from nine years of IceCube data","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1807.01820","snapshot_observed_at":"2026-08-14T05:10:37.041464Z","title":null,"venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.041464Z"},"links":{"cited_paper":"/paper/1807.01820","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:7a5530c850d310775d294e626d3b9e9acf6699c7e3c7a1bfde909ae698e745bd","observation_id":"f0fbc65c-3670-4f38-bc8d-63411f7a2fe8","resolution":{"observed_at":"2026-08-14T05:10:37.041464Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1906.07422","last_updated":"2019-10-16T17:51:24Z","snapshot_observed_at":"2026-08-14T16:14:06.757636Z","submitted_at":"2019-06-18T07:45:55Z","title":"Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1906.07422","snapshot_observed_at":"2026-08-14T05:10:37.047834Z","title":"Aab et al","venue":null,"work_id":null,"year":1906},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.047834Z"},"links":{"cited_paper":"/paper/1906.07422","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:8a0bd77a3938bf695ba45087ee578f6ceffb7c54dfe770de024aa283f0bf9cb7","observation_id":"446dec50-faaa-490f-8412-80717e1d4c1b","resolution":{"observed_at":"2026-08-14T05:10:37.047834Z","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":"2026-08-14T05:10:37.619216Z","title":"Fenu for the Pierre Auger Collaboration, The cosmic ray energy spectrum measured using the Pierre Auger Observatory, PoS(ICRC2017)486 (2018)","venue":null,"work_id":"50de907a-a6cf-497b-874d-6cb65401aea9","year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.052016Z"},"links":{"citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:f8635fd6de6916584c4176f80bd9f75a4aaf13432fb1988cb9774862ca42230d","observation_id":"2610e9b0-5f7a-4024-b00a-623169c6f9aa","resolution":{"observed_at":"2026-08-14T05:10:37.623117Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+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":"2026-08-14T05:10:37.607593Z","title":null,"venue":null,"work_id":"1b88dd62-7810-41b5-8a7c-71533dec9e61","year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.056849Z"},"links":{"citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:afa01ae18a65fff8a1947bf92caedc61eed8eb6d3d09a188fe88de3cb76852f0","observation_id":"641e3e58-cbef-403c-b140-6350779b0d5d","resolution":{"observed_at":"2026-08-14T05:10:37.611509Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1710.09478","last_updated":"2017-10-25T22:07:08Z","snapshot_observed_at":"2026-08-15T05:30:57.978543Z","submitted_at":"2017-10-25T22:07:08Z","title":"Highlights from the Pierre Auger Observatory (ICRC17)","version":1},"cited_work":{"arxiv_id":"1710.09478","doi":null,"metadata_source":"pith","pith_arxiv_id":"1710.09478","snapshot_observed_at":"2026-08-14T05:10:37.486907Z","title":"Highlights from the Pierre Auger Observatory (ICRC17)","venue":"astro-ph.HE","work_id":"d58d7d0a-51c2-471c-a9d7-78a130004bab","year":2017},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.060736Z"},"links":{"cited_paper":"/paper/1710.09478","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:a53d4a6b60c6fa9a57ee5c6a4ce4ff4833628501ffc2186bd6f4a42647f710fe","observation_id":"fb348798-8a20-404b-8ed6-21862c86e241","resolution":{"observed_at":"2026-08-14T05:10:37.491455Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1801.09784","last_updated":"2018-05-10T17:20:04Z","snapshot_observed_at":"2026-08-14T19:50:53.978095Z","submitted_at":"2018-01-29T22:17:47Z","title":"Depth of Ultra High Energy Cosmic Ray Induced Air Shower Maxima Measured by the Telescope Array Black Rock and Long Ridge FADC Fluorescence Detectors and Surface Array in Hybrid Mode","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1801.09784","snapshot_observed_at":"2026-08-14T05:10:37.064896Z","title":null,"venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.064896Z"},"links":{"cited_paper":"/paper/1801.09784","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:9b195b45c7b8ea6ee8ff681427cc00e5a29d6659b4c8d563fcb495c901f62baf","observation_id":"17bfede3-ae38-4193-9e83-a592186eedfd","resolution":{"observed_at":"2026-08-14T05:10:37.064896Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1604.03637","last_updated":"2016-04-13T02:50:45Z","snapshot_observed_at":"2026-08-14T22:01:55.944811Z","submitted_at":"2016-04-13T02:50:45Z","title":"The Pierre Auger Observatory Upgrade - Preliminary Design Report","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1604.03637","snapshot_observed_at":"2026-08-14T05:10:37.069909Z","title":"AugerPrime","venue":null,"work_id":null,"year":null},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.069909Z"},"links":{"cited_paper":"/paper/1604.03637","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:cd64fde6bef3a25d617bd74ce41e72ca04e9ad938326c5a790dcb6d3cc793ebd","observation_id":"e36c8f11-6988-4329-9f7a-91f758a7b8c2","resolution":{"observed_at":"2026-08-14T05:10:37.069909Z","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":"2026-08-14T05:10:37.595265Z","title":"Kido for the Telescope Array Collaboration, The TAx4 experiment, PoS(ICRC2017)386 (2018)","venue":null,"work_id":"47265dcb-be57-49e4-b671-132581926e74","year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.074149Z"},"links":{"citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:5f533d72e2b4a7f18aed3278791853935cd21137b51b404f18a110c68fb1c1c0","observation_id":"2aaab873-1720-45cd-a11d-c84132507656","resolution":{"observed_at":"2026-08-14T05:10:37.599538Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1612.07155","last_updated":"2018-02-26T16:25:58Z","snapshot_observed_at":"2026-08-14T21:24:18.265103Z","submitted_at":"2016-12-21T14:55:46Z","title":"Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1612.07155","snapshot_observed_at":"2026-08-14T05:10:37.079024Z","title":"Aab et al","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.079024Z"},"links":{"cited_paper":"/paper/1612.07155","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:7f7e1cb3e285fb8f058901de065fbbbb06f770f68176c9ebb5301252ef74b1fa","observation_id":"2a82a065-d18d-4aa8-b438-a1e2e16a7aa4","resolution":{"observed_at":"2026-08-14T05:10:37.079024Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1707.04511","last_updated":"2017-07-14T13:57:31Z","snapshot_observed_at":"2026-08-14T20:47:37.642952Z","submitted_at":"2017-07-14T13:57:31Z","title":"Cosmogenic gamma-rays and neutrinos constrain UHECR source models","version":1},"cited_work":{"arxiv_id":"1707.04511","doi":null,"metadata_source":"pith","pith_arxiv_id":"1707.04511","snapshot_observed_at":"2026-08-14T05:10:37.433350Z","title":"Cosmogenic gamma-rays and neutrinos constrain UHECR source models","venue":"astro-ph.HE","work_id":"9690ec41-258d-471f-b0b6-1b4ba39dc990","year":2017},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.084847Z"},"links":{"cited_paper":"/paper/1707.04511","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:f5d3b33c8c23a123ebc2eea91cc3a01226d28c22e63a0f43b8da4fa71225ce72","observation_id":"27b805fc-024e-43eb-a307-4d21ad00c8f2","resolution":{"observed_at":"2026-08-14T05:10:37.438225Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1806.10879","last_updated":"2019-01-03T19:02:21Z","snapshot_observed_at":"2026-08-14T18:58:07.025130Z","submitted_at":"2018-06-28T11:10:30Z","title":"Cosmogenic photon and neutrino fluxes in the Auger era","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1806.10879","snapshot_observed_at":"2026-08-14T05:10:37.091840Z","title":"Alves Batista, R","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.091840Z"},"links":{"cited_paper":"/paper/1806.10879","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:4de9cb1abcf5283d8a873c2670700344607cf26b6fe539a2ed8403e9d4bdf527","observation_id":"6b070c33-463f-43be-a08e-a0b5e5452726","resolution":{"observed_at":"2026-08-14T05:10:37.091840Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03338","last_updated":"2019-02-11T16:36:01Z","snapshot_observed_at":"2026-08-14T17:32:32.044359Z","submitted_at":"2019-01-10T19:00:02Z","title":"A new view on Auger data and cosmogenic neutrinos in light of different nuclear disintegration and air-shower models","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.03338","snapshot_observed_at":"2026-08-14T05:10:37.096731Z","title":"Heinze, A","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.096731Z"},"links":{"cited_paper":"/paper/1901.03338","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:67a84616fb031743587e74b33114502e21b142d79816232eef92e5ffa74b1aad","observation_id":"d56ace6c-7186-4442-ad1d-770dfa4f781a","resolution":{"observed_at":"2026-08-14T05:10:37.096731Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1906.06233","last_updated":"2019-10-08T15:23:41Z","snapshot_observed_at":"2026-08-14T16:15:32.681033Z","submitted_at":"2019-06-14T14:52:30Z","title":"Progress towards characterizing ultrahigh energy cosmic ray sources","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1906.06233","snapshot_observed_at":"2026-08-14T05:10:37.100758Z","title":null,"venue":null,"work_id":null,"year":1906},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.100758Z"},"links":{"cited_paper":"/paper/1906.06233","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:3f077680c584ea3f26615426041bc066ee2b3f204ead1c3b210147fc4250ea5f","observation_id":"7a03e63d-4aec-4bcd-b4db-650a29cab1d2","resolution":{"observed_at":"2026-08-14T05:10:37.100758Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1105.2854","last_updated":"2011-08-10T03:25:38Z","snapshot_observed_at":"2026-08-15T04:46:49.943671Z","submitted_at":"2011-05-14T01:05:26Z","title":"Design and Initial Performance of the Askaryan Radio Array Prototype EeV Neutrino Detector at the South Pole","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1105.2854","snapshot_observed_at":"2026-08-14T05:10:37.105161Z","title":"Allison et al","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.105161Z"},"links":{"cited_paper":"/paper/1105.2854","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:8f3ce7c9368b5dad2bce2515d8f2bd39a3e130a625f0b3afa9dcea32a31e5f22","observation_id":"a627f817-30f9-4278-87c1-20d4fa992eca","resolution":{"observed_at":"2026-08-14T05:10:37.105161Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1903.01609","last_updated":"2019-06-24T16:30:29Z","snapshot_observed_at":"2026-08-14T17:07:27.909338Z","submitted_at":"2019-03-05T00:40:14Z","title":"Targeting ultra-high energy neutrinos with the ARIANNA experiment","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1903.01609","snapshot_observed_at":"2026-08-14T05:10:37.110030Z","title":"Anker et al","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.110030Z"},"links":{"cited_paper":"/paper/1903.01609","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:7efaf3d8e86ce74ca5dd13384fbb5ca1b5de409814d75e5885395e7b3497943c","observation_id":"eb90440e-69bc-4586-af07-17d3380fdba4","resolution":{"observed_at":"2026-08-14T05:10:37.110030Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1810.09994","last_updated":"2019-07-18T13:41:23Z","snapshot_observed_at":"2026-08-14T18:10:26.118640Z","submitted_at":"2018-10-23T17:56:18Z","title":"The Giant Radio Array for Neutrino Detection (GRAND): Science and Design","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1810.09994","snapshot_observed_at":"2026-08-14T05:10:37.115142Z","title":"Álvarez-Muñiz et al","venue":null,"work_id":null,"year":null},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.115142Z"},"links":{"cited_paper":"/paper/1810.09994","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:7c2146650f7661db9e2da2906b886a33734bb691561f2291971d98e54431b9f1","observation_id":"abcdd6c1-3ae4-4254-86c1-de957f050cd3","resolution":{"observed_at":"2026-08-14T05:10:37.115142Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1009.1382","last_updated":"2010-09-27T15:28:01Z","snapshot_observed_at":"2026-08-15T05:09:24.068018Z","submitted_at":"2010-09-07T19:57:33Z","title":"Cosmogenic Neutrinos: parameter space and detectabilty from PeV to ZeV","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1009.1382","snapshot_observed_at":"2026-08-14T05:10:37.119452Z","title":"Kotera, D","venue":null,"work_id":null,"year":2010},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.119452Z"},"links":{"cited_paper":"/paper/1009.1382","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:f67f769ac8a2294d9928c3ee50d815e64609f36d1bbd7d39f3755721f916fd4e","observation_id":"5056b0d2-2b48-4e59-9663-87bd8f6343e4","resolution":{"observed_at":"2026-08-14T05:10:37.119452Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"0805.1841","last_updated":"2008-06-16T13:04:58Z","snapshot_observed_at":"2026-08-15T10:15:32.656013Z","submitted_at":"2008-05-13T12:58:49Z","title":"The extragalactic optical-infrared background radiations, their time evolution and the cosmic photon-photon opacity","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"0805.1841","snapshot_observed_at":"2026-08-14T05:10:37.123954Z","title":"Franceschini, G","venue":null,"work_id":null,"year":2008},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.123954Z"},"links":{"cited_paper":"/paper/0805.1841","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:449a8a6dc12320b2e11de01ac9dc93b6fbf9e37830fb6c78c479eeb5296ece89","observation_id":"95331607-ba86-474e-bd64-cfee499917e0","resolution":{"observed_at":"2026-08-14T05:10:37.123954Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1901.01244","last_updated":"2019-04-18T13:09:09Z","snapshot_observed_at":"2026-08-14T17:35:01.174364Z","submitted_at":"2019-01-04T18:58:56Z","title":"Secondary neutrino and gamma-ray fluxes from SimProp and CRPropa","version":4},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.01244","snapshot_observed_at":"2026-08-14T05:10:37.128019Z","title":"Alves Batista, D","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.128019Z"},"links":{"cited_paper":"/paper/1901.01244","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:1af98c39089c0b235741df92c629b7ae34687f500067b2005b79e24b55ba979d","observation_id":"d80737d6-dc0e-473e-a4d0-19c3693228d4","resolution":{"observed_at":"2026-08-14T05:10:37.128019Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1810.03769","last_updated":"2018-10-09T01:48:14Z","snapshot_observed_at":"2026-08-14T18:17:38.316287Z","submitted_at":"2018-10-09T01:48:14Z","title":"Predictions for the flux of high-energy cosmogenic neutrinos and the influence of the extragalactic magnetic field","version":1},"cited_work":{"arxiv_id":"1810.03769","doi":null,"metadata_source":"pith","pith_arxiv_id":"1810.03769","snapshot_observed_at":"2026-08-14T05:10:37.285981Z","title":"Predictions for the flux of high-energy cosmogenic neutrinos and the influence of the extragalactic magnetic field","venue":"astro-ph.HE","work_id":"abe3db49-7aac-4878-a37f-ed5f1f8fd0bf","year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.131882Z"},"links":{"cited_paper":"/paper/1810.03769","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:e0376c5f9928623be6fc78b2517be5f281290cc6ac807d7bb287540e6adbfde6","observation_id":"93e67f91-2d3f-47ba-9350-06ce730e3d8f","resolution":{"observed_at":"2026-08-14T05:10:37.290596Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1609.03336","last_updated":"2016-09-12T10:42:07Z","snapshot_observed_at":"2026-08-14T21:40:19.438320Z","submitted_at":"2016-09-12T10:42:07Z","title":"Cosmogenic photons strongly constrain UHECR source models","version":1},"cited_work":{"arxiv_id":"1609.03336","doi":null,"metadata_source":"pith","pith_arxiv_id":"1609.03336","snapshot_observed_at":"2026-08-14T05:10:37.263639Z","title":"Cosmogenic photons strongly constrain UHECR source models","venue":"astro-ph.HE","work_id":"6d88003f-2cd2-45e7-b7a4-c1000d36589f","year":2016},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.135624Z"},"links":{"cited_paper":"/paper/1609.03336","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:80e6f25c9450777f76a7c64662c5bcbd88f3c05db898ea0cd579c0b94a93765e","observation_id":"e99ecf51-abc0-4165-b426-e9bb0db8dd70","resolution":{"observed_at":"2026-08-14T05:10:37.271223Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1603.07142","last_updated":"2016-05-24T13:37:49Z","snapshot_observed_at":"2026-08-14T22:04:49.788998Z","submitted_at":"2016-03-23T11:34:18Z","title":"CRPropa 3 - a Public Astrophysical Simulation Framework for Propagating Extraterrestrial Ultra-High Energy Particles","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1603.07142","snapshot_observed_at":"2026-08-14T05:10:37.139992Z","title":"Alves Batista et al., CRPropa 3 - a public astrophysical simulation framework for propagating extraterrestrial ultra-high energy particles, JCAP 05 (2016) 038 [arXiv:1603.07142]","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.139992Z"},"links":{"cited_paper":"/paper/1603.07142","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:20743793cee9165b985aa2d83676df734989bb932f034e4898d60b6a24ebf9c6","observation_id":"be16a8c2-d0da-49d1-8001-a96a2767f6d9","resolution":{"observed_at":"2026-08-14T05:10:37.139992Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1710.07249","last_updated":"2017-10-19T17:14:06Z","snapshot_observed_at":"2026-08-14T20:22:06.791750Z","submitted_at":"2017-10-19T17:14:06Z","title":"Inferences on Mass Composition and Tests of Hadronic Interactions from 0.3 to 100 EeV using the water-Cherenkov Detectors of the Pierre Auger Observatory","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1710.07249","snapshot_observed_at":"2026-08-14T05:10:37.143849Z","title":"Aab et al","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.143849Z"},"links":{"cited_paper":"/paper/1710.07249","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:2d136acb83364a276496d2934ed1c3b4adb550fc8fd1290049435916897c79a4","observation_id":"f206547f-c210-461c-a530-5e99f81a093a","resolution":{"observed_at":"2026-08-14T05:10:37.143849Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1903.04334","last_updated":"2019-07-01T20:24:16Z","snapshot_observed_at":"2026-08-14T17:04:17.268629Z","submitted_at":"2019-03-11T14:45:04Z","title":"Astrophysics Uniquely Enabled by Observations of High-Energy Cosmic Neutrinos","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1903.04334","snapshot_observed_at":"2026-08-14T05:10:37.148269Z","title":"Ackermann et al., Astrophysics Uniquely Enabled by Observations of High-Energy Cosmic Neutrinos, Bull","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.148269Z"},"links":{"cited_paper":"/paper/1903.04334","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:cffac2ab6d66a111902c2efc30ff7c893dd697f2c70e8d5af90854125f846f8a","observation_id":"f2526568-3512-4ac5-a9d3-40333a7101b7","resolution":{"observed_at":"2026-08-14T05:10:37.148269Z","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":"2026-08-14T05:10:37.582731Z","title":"Kopper for the IceCube Collaboration, Observation of Astrophysical Neutrinos in Six Years of IceCube Data, PoS(ICRC2017)981 (2018)","venue":null,"work_id":"fdf3df94-23fe-46e8-974e-92e9f58fa80b","year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.152767Z"},"links":{"citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:5f1e95709f3b81989cb47687d5905529d5213bc19d4c58048e01acc82b910283","observation_id":"67c73357-72e8-42a8-938f-c72ef407ddc7","resolution":{"observed_at":"2026-08-14T05:10:37.587221Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+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":"2026-08-14T05:10:37.569913Z","title":"Zas for the Pierre Auger Collaboration, Searches for neutrino fluxes in the EeV regime with the Pierre Auger Observatory, PoS(ICRC2017)972 (2018)","venue":null,"work_id":"3155908e-7c96-49ad-bbf3-2f1cf504aeee","year":2018},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.157689Z"},"links":{"citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:97ea232ce4ab2ef1c5dba592b7dadeaa317734d7d576bb64b28c8f13b5fc224e","observation_id":"aabe813c-f458-486d-81da-cdc9547dca01","resolution":{"observed_at":"2026-08-14T05:10:37.574253Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"0902.3993","last_updated":"2009-04-02T20:00:13Z","snapshot_observed_at":"2026-08-15T05:54:17.706280Z","submitted_at":"2009-02-24T19:03:57Z","title":"Neutrino diagnostics of ultra-high energy cosmic ray protons","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"0902.3993","snapshot_observed_at":"2026-08-14T05:10:37.161583Z","title":"Ahlers, L","venue":null,"work_id":null,"year":2009},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.161583Z"},"links":{"cited_paper":"/paper/0902.3993","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:218124cd8afab4bc8c7a6c895774079bd15637a9163a002b1b219d6fd4aa3f33","observation_id":"fbae1eeb-08ba-489e-bf79-ef69e02a7731","resolution":{"observed_at":"2026-08-14T05:10:37.161583Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/0506118","last_updated":"2005-06-06T17:38:13Z","snapshot_observed_at":"2026-07-07T00:51:06.380433Z","submitted_at":"2005-06-06T17:38:13Z","title":"Luminosity-dependent evolution of soft X-ray selected AGN: New Chandra and XMM-Newton surveys","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/0506118","snapshot_observed_at":"2026-08-14T05:10:37.165326Z","title":"Hasinger, T","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T05:10:37.165326Z"},"links":{"cited_paper":"/paper/astro-ph/0506118","citing_paper":"/paper/1909.01932"},"observation_digest":"sha256:2bf6fb6906de87895882d7c2d336d462ddaa7ca421c042db8c3320f1a7f07cdd","observation_id":"c36f728b-a8e5-404f-bd7c-60d317803a12","resolution":{"observed_at":"2026-08-14T05:10:37.165326Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"1909.01932","last_updated":"2019-09-04T16:41:19Z","latest_version":1,"primary_category":"astro-ph.HE","snapshot_observed_at":"2026-08-15T00:09:19.536477Z","submitted_at":"2019-09-04T16:41:19Z","title":"Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs"},"reference_resolution":{"displayed":31,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":22,"verified_exact":5,"verified_fuzzy":4},"total_outbound_references":31},"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":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 15 August 2026, this Paper Citation Record lists 31 of 31 outbound references and 0 inbound Pith citation observations for arXiv:1909.01932."}