{"as_of":"2026-08-17T18:01:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:55e41c54c57ba0074d60505c6b5bf854c48ddf90a1b51ef622c264fa19ca66fd","coverage":[{"denominator":14,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":14,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T11:09:58.765101Z","state":"measured"},{"denominator":14,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":14,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-17T06:30:58.91139+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1908.09668/citation-record","integrity":"/paper/1908.09668/integrity","json":"/paper/1908.09668/citation-record.json","paper":"/paper/1908.09668"},"outbound":[{"citation":{"cited_paper":{"arxiv_id":"1201.5294","last_updated":"2012-09-28T12:18:31Z","snapshot_observed_at":"2026-08-16T04:53:23.256771Z","submitted_at":"2012-01-25T15:08:52Z","title":"A model for the transport of muons in extensive air showers","version":2},"cited_work":{"arxiv_id":"1201.5294","doi":null,"metadata_source":"pith","pith_arxiv_id":"1201.5294","snapshot_observed_at":"2026-08-14T11:09:59.282193Z","title":"A model for the transport of muons in extensive air showers","venue":"astro-ph.HE","work_id":"9d5e648f-ab12-43d4-b581-b66ef28f710a","year":2012},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.654493Z"},"links":{"cited_paper":"/paper/1201.5294","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:b4fbf1f0e4e1e2a97654e98b5393988d87038a453dc448056bbb11edb14c4d11","observation_id":"0cdc3831-498d-4c86-857b-a386230851f1","resolution":{"observed_at":"2026-08-14T11:09:59.290327Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1111.1424","last_updated":"2012-03-08T13:03:04Z","snapshot_observed_at":"2026-08-16T15:41:39.393203Z","submitted_at":"2011-11-06T15:02:45Z","title":"The muonic longitudinal shower profiles at production","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1111.1424","snapshot_observed_at":"2026-08-14T11:09:58.667497Z","title":"Andringa, L","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.667497Z"},"links":{"cited_paper":"/paper/1111.1424","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:ac0fd15cb13b39f49afe7352f110a91968075d8fbdb32d19d5b988f32145c100","observation_id":"04ace54f-bb38-4d03-a9dd-8447275e7413","resolution":{"observed_at":"2026-08-14T11:09:58.667497Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1408.1421","last_updated":"2015-12-02T16:13:18Z","snapshot_observed_at":"2026-08-14T23:23:59.853260Z","submitted_at":"2014-08-06T20:59:16Z","title":"Muons in air showers at the Pierre Auger Observatory: Mean number in highly inclined events","version":6},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1408.1421","snapshot_observed_at":"2026-08-14T11:09:58.678744Z","title":"Aab et al., Muons in air showers at the Pierre Auger Observatory: Mean number in highly inclined events, Phys","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.678744Z"},"links":{"cited_paper":"/paper/1408.1421","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:52e2bcccc76f4fb6a258439effb8712dbf415f64e55fcaa6ec0a2c4d945d3315","observation_id":"8479c818-96a7-4fee-bcc8-48daf7791c18","resolution":{"observed_at":"2026-08-14T11:09:58.678744Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1804.03877","last_updated":"2018-04-11T09:04:49Z","snapshot_observed_at":"2026-08-16T04:54:05.628149Z","submitted_at":"2018-04-11T09:04:49Z","title":"Study of muons from ultra-high energy cosmic ray air showers measured with the Telescope Array experiment","version":1},"cited_work":{"arxiv_id":"1804.03877","doi":null,"metadata_source":"pith","pith_arxiv_id":"1804.03877","snapshot_observed_at":"2026-08-14T11:09:59.173623Z","title":"Study of muons from ultra-high energy cosmic ray air showers measured with the Telescope Array experiment","venue":"astro-ph.HE","work_id":"3f7fa0e0-1730-45f5-8833-aa4e0bd57ad9","year":2018},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.686909Z"},"links":{"cited_paper":"/paper/1804.03877","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:3eb92dbb3e4ced3c024232b82d487990b971a2f8651addeb34723d87836121bb","observation_id":"a3968acf-2683-45a0-8bfc-70a3d41f706d","resolution":{"observed_at":"2026-08-14T11:09:59.183201Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1010.1869","last_updated":"2011-01-16T16:42:53Z","snapshot_observed_at":"2026-08-15T05:06:31.564141Z","submitted_at":"2010-10-09T19:57:10Z","title":"Monte Carlo treatment of hadronic interactions in enhanced Pomeron scheme: I. QGSJET-II model","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1010.1869","snapshot_observed_at":"2026-08-14T11:09:58.693928Z","title":"Ostapchenko, Monte Carlo treatment of hadronic interactions in enhanced Pomeron scheme: I","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.693928Z"},"links":{"cited_paper":"/paper/1010.1869","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:26d6b82c914128ffa0033c077e58cc1f5aa15ad41cc548b75dae3d6ad98ee56e","observation_id":"3a3e9fd4-bd87-4465-9e2a-ee53ce7e1d02","resolution":{"observed_at":"2026-08-14T11:09:58.693928Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1306.0121","last_updated":"2013-12-20T10:51:29Z","snapshot_observed_at":"2026-08-16T06:04:33.932941Z","submitted_at":"2013-06-01T15:20:33Z","title":"EPOS LHC : test of collective hadronization with LHC data","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1306.0121","snapshot_observed_at":"2026-08-14T11:09:58.704924Z","title":"Pierog, I","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.704924Z"},"links":{"cited_paper":"/paper/1306.0121","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:bf031da78cfdec6f4f7ba39dbb895a0ac558abf924bb0fe7da90910bd9b80e3e","observation_id":"8428aa75-939d-459e-8fd1-11f3ef829863","resolution":{"observed_at":"2026-08-14T11:09:58.704924Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1709.07227","last_updated":"2017-09-21T09:25:42Z","snapshot_observed_at":"2026-08-14T20:31:06.277289Z","submitted_at":"2017-09-21T09:25:42Z","title":"The hadronic interaction model SIBYLL 2.3c and Feynman scaling","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1709.07227","snapshot_observed_at":"2026-08-14T11:09:58.712076Z","title":"Riehn, H","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.712076Z"},"links":{"cited_paper":"/paper/1709.07227","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:d77ceaa4ca054a4020a02ee37b57f65ad17b605ed233e0c4942a61e8f9426982","observation_id":"6ab16a70-2d95-4c33-aba7-436f884cfa6b","resolution":{"observed_at":"2026-08-14T11:09:58.712076Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1803.05699","last_updated":"2018-07-12T15:02:35Z","snapshot_observed_at":"2026-08-17T15:06:25.977161Z","submitted_at":"2018-03-15T11:38:06Z","title":"Probing the energy spectrum of hadrons in proton air interactions at ultrahigh energies through the fluctuations of the muon content of extensive air showers","version":2},"cited_work":{"arxiv_id":"1803.05699","doi":null,"metadata_source":"pith","pith_arxiv_id":"1803.05699","snapshot_observed_at":"2026-08-14T11:09:59.011409Z","title":"Probing the energy spectrum of hadrons in proton air interactions at ultrahigh energies through the fluctuations of the muon content of extensive air showers","venue":"hep-ph","work_id":"f554bb35-2e7c-44dc-bcd7-8fe4465326df","year":2018},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.719507Z"},"links":{"cited_paper":"/paper/1803.05699","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:1f50d9d3dd3d75748960a1f42e6eac65b720c80179ce35ddce9b9e9f21cc96bd","observation_id":"eddf176c-3890-4428-b5be-dde7180b7398","resolution":{"observed_at":"2026-08-14T11:09:59.019557Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:09:59.312605Z","title":"Matthews, A Heitler model of extensive air showers, Astropart","venue":null,"work_id":"c0a8fd8f-9d5d-4066-af49-bd78dd98c6e3","year":2005},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.726589Z"},"links":{"citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:832995e82e9596f954c354f97bca1051e3473c52f441ddc5130e34ea3a4f9d6d","observation_id":"3f815ee0-71a5-454e-ad08-dffaa14b664f","resolution":{"observed_at":"2026-08-14T11:09:59.318104Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1208.1520","last_updated":"2012-08-09T00:20:48Z","snapshot_observed_at":"2026-08-17T12:51:55.690876Z","submitted_at":"2012-08-07T20:47:51Z","title":"Measurement of the proton-air cross-section at $\\sqrt{s}=57$ TeV with the Pierre Auger Observatory","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1208.1520","snapshot_observed_at":"2026-08-14T11:09:58.735256Z","title":"Abreu et al., Measurement of the proton-air cross-section at√s = 57 TeV with the Pierre Auger Observatory, Phys","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.735256Z"},"links":{"cited_paper":"/paper/1208.1520","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:c2ca1340e2629bdb870229c6540cd6e0f069d8882f0b0e56932b4c6af86ba70b","observation_id":"6eaf94aa-d891-4435-a6df-f21ed823ee6f","resolution":{"observed_at":"2026-08-14T11:09:58.735256Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1409.5083","last_updated":"2014-09-17T17:39:00Z","snapshot_observed_at":"2026-08-14T23:19:06.460225Z","submitted_at":"2014-09-17T17:39:00Z","title":"Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Composition Implications","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1409.5083","snapshot_observed_at":"2026-08-14T11:09:58.742646Z","title":"Aab et al., Depth of maximum of air-shower proﬁles at the Pierre Auger Observatory","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.742646Z"},"links":{"cited_paper":"/paper/1409.5083","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:79e434f1724847a8a379916fe9160ae901e00c0c03eadadb289c4215cc50ecbf","observation_id":"d9a2938f-756b-422c-83b4-fde248c11424","resolution":{"observed_at":"2026-08-14T11:09:58.742646Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1405.0722","last_updated":"2014-11-05T12:21:41Z","snapshot_observed_at":"2026-08-14T23:35:19.685138Z","submitted_at":"2014-05-04T17:36:13Z","title":"Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at sqrt(s) = 8 TeV by the CMS and TOTEM experiments","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1405.0722","snapshot_observed_at":"2026-08-14T11:09:58.751292Z","title":"Chatrchyan et al., Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at√s = 8 TeV by the CMS and TOTEM experiments, Eur","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.751292Z"},"links":{"cited_paper":"/paper/1405.0722","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:c23cd3220e9c183cc08c582356aa2a2943be31e3f97433410aa9a43f77645ea8","observation_id":"b15e80f5-f844-4ba9-9534-9fb6994dc480","resolution":{"observed_at":"2026-08-14T11:09:58.751292Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1507.08764","last_updated":"2016-08-02T17:11:41Z","snapshot_observed_at":"2026-08-14T22:38:13.462173Z","submitted_at":"2015-07-31T06:21:15Z","title":"Measurements of longitudinal and transverse momentum distributions for neutral pions in the forward-rapidity region with the LHCf detector","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1507.08764","snapshot_observed_at":"2026-08-14T11:09:58.758204Z","title":"Adriani et al., Measurements of longitudinal and transverse momentum distributions for neutral pions in the forward-rapidity region with the LHCf detector, Phys","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.758204Z"},"links":{"cited_paper":"/paper/1507.08764","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:e9e576fb38299d987fb401ec0e861e123869ba12246746ee73c4531f13b1e27e","observation_id":"40d9a6ac-1183-4d0a-af74-c22b527ba4c3","resolution":{"observed_at":"2026-08-14T11:09:58.758204Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1605.01625","last_updated":"2016-05-12T14:56:38Z","snapshot_observed_at":"2026-08-14T21:58:41.511440Z","submitted_at":"2016-05-05T15:34:53Z","title":"Prototype muon detectors for the AMIGA component of the Pierre Auger Observatory","version":2},"cited_work":{"arxiv_id":"1605.01625","doi":null,"metadata_source":"pith","pith_arxiv_id":"1605.01625","snapshot_observed_at":"2026-08-14T11:09:58.823617Z","title":"Prototype muon detectors for the AMIGA component of the Pierre Auger Observatory","venue":"physics.ins-det","work_id":"4cee7e93-0eed-45c0-ba92-afdf955ea3d7","year":2016},"citing_paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T11:09:58.765101Z"},"links":{"cited_paper":"/paper/1605.01625","citing_paper":"/paper/1908.09668"},"observation_digest":"sha256:2807ddd54a977b878270b04fdfd014b137f09433cb2bee869a673253e63ecbaa","observation_id":"62ad9e6b-10ea-450a-8531-ebdb6d248655","resolution":{"observed_at":"2026-08-14T11:09:58.833808Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1908.09668","last_updated":"2019-08-26T13:24:51Z","latest_version":1,"primary_category":"hep-ph","snapshot_observed_at":"2026-08-17T14:30:36.216533Z","submitted_at":"2019-08-26T13:24:51Z","title":"Probing the high energy spectrum of neutral pions in ultra-high energy proton-Air interactions"},"reference_resolution":{"displayed":14,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":9,"verified_exact":4,"verified_fuzzy":1},"total_outbound_references":14},"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":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"thesis":"As of 17 August 2026, this Paper Citation Record lists 14 of 14 outbound references and 0 inbound Pith citation observations for arXiv:1908.09668."}