{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:YHTNXWLBLU6DJOCLBME5ZRLNWO","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"de86cf0883b88d5b1b449145dc6004aa53457c09c683d330b6ab7c7eeb8006e3","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-07-17T14:58:10Z","title_canon_sha256":"39dfcf39509677a6459386ca1fe1948eeadc0919432129a9fe66168fc34dac33"},"schema_version":"1.0","source":{"id":"2007.09035","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.09035","created_at":"2026-07-05T01:49:19Z"},{"alias_kind":"arxiv_version","alias_value":"2007.09035v4","created_at":"2026-07-05T01:49:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.09035","created_at":"2026-07-05T01:49:19Z"},{"alias_kind":"pith_short_12","alias_value":"YHTNXWLBLU6D","created_at":"2026-07-05T01:49:19Z"},{"alias_kind":"pith_short_16","alias_value":"YHTNXWLBLU6DJOCL","created_at":"2026-07-05T01:49:19Z"},{"alias_kind":"pith_short_8","alias_value":"YHTNXWLB","created_at":"2026-07-05T01:49:19Z"}],"graph_snapshots":[{"event_id":"sha256:84242dbf2c5a76ee361001007d29eed2ad3ca7645f1b1431f7957fdfeda481b2","target":"graph","created_at":"2026-07-05T01:49:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.09035/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cosmic rays arriving at Earth collide with the upper parts of the atmosphere, thereby inducing extensive air showers. When secondary particles from the cascade arrive at the ground, they are measured by surface detector arrays. We describe the methods applied to the measurements of the surface detector of the Pierre Auger Observatory to reconstruct events with zenith angles less than $60^\\circ$ using the timing and signal information recorded using the water-Cherenkov detector stations. In addition, we assess the accuracy of these methods in reconstructing the arrival directions of the primary","authors_text":"A. Almela, A.A. Watson, A. Bakalova, A. Balaceanu, A. Blanco, A. Bridgeman, A. Bueno, A. Cancio, A. Castellina, A.C. Cobos Cerutti, A.C. Fauth, A. Coleman, A. Condorelli, A.C. Rovero, A. Di Matteo, A.D. Supanitsky, A. Etchegoyen, A. Filip\\v{c}i\\v{c}, A. Fuster, A. Gherghel-Lascu, A.G. Mariazzi, A. Gorgi, A. Haungs, A. Insolia, A. K\\\"a\\\"ap\\\"a, A. Letessier-Selvon, A.L. Garcia Vegas, A.L. M\\\"uller, A. Lucero, A. Machado Payeras, A.M. Badescu, A.M. Botti, A. Menshikov, A Nucita, A. Parra, A. Puyleart, A. Saftoiu, A. Schulz, A. Streich, A. Taboada, A. Tapia, A. Travaini, A. van Vliet, A. V\\'asquez-Ram\\'irez, A. Weindl, A. Yushkov, A. Zepeda, B. Andrada, B.C. Manning, B. Fick, B. Garc\\'ia, B. Keilhauer, B.L. Lago, B. Pont, B.R. Dawson, B. Tom\\'e, B. Vargas C\\'ardenas, B. Wundheiler, C. Aramo, C. Berat, C. Bleve, C. Bonifazi, C. Dobrigkeit, C.E. Covault, C. Galea, C. Galelli, C. Hojvat, C.J. Todero Peixoto, C. Morello, C.O. Escobar, C. Peters, C. Sarmiento-Cano, C. Sch\\\"afer, C. Timmermans, C. Trimarelli, C. Ventura, D. Boncioli, D. de Oliveira Franco, D. G\\'ora, D. Harari, D. Heck, D. LaHurd, D. Lo Presti, D. Mandat, D. Martello, D. Melo, D. Mockler, D. Nitz, D. Nosek, D. Ravignani, D. Schmidt, D. Stanca, D. Veberi\\v{c}, D. Wittkowski, D. Zavrtanik, E. De Vito, E. Guido, E. Mayotte, E.M. Santos, E. Roulet, E. Santos, E. Varela, E. Zas, F. Barbato, F. Canfora, F. Catalani, F. Contreras, F. Convenga, F. Feldbusch, F. Fenu, F. Gesualdi, F. Gobbi, F. Gollan, F.G. Schr\\\"oder, F. Guarino, F.L. Briechle, F. Montanet, F. Pedreira, F. Riehn, F. Salamida, F. S\\'anchez, F. Sarazin, F. Schl\\\"uter, F. Zuccarello, G.A. Anastasi, G. Avila, G. Cataldi, G.C. Hill, G. Consolati, G. De Mauro, G. Farrar, G. Golup, G. Kukec Mezek, G. Mancarella, G. Marsella, G. Matthiae, G. Medina-Tanco, G. Parente, G.P. Guedes, G. Salina, G. Sigl, G. Silli, G. Torralba Elipe, H. Asorey, H. Falcke, H. Gemmeke, H.J. Mathes, H. Martinez, H.O. Klages, H. Salazar, H. Schieler, H. Wahlberg, H. Wilczy\\'nski, I. Allekotte, I. Caracas, I.C. Mari\\c{s}, I. De Mitri, I.D. Vergara Quispe, I. Epicoco, I. Goos, I. Lhenry-Yvon, I. Vali\\~no, J.A. Bellido, J.A. Chinellato, J.A. Day, J.A. Johnsen, J. Alvarez Castillo, J. Alvarez-Mu\\~niz, J. Biteau, J. Blazek, J. Brack, J.C. D'Olivo, J. Chudoba, J. Debatin, J. de Jes\\'us, J. de Oliveira, J.D. Sanabria Gomez, J. Ebr, J. Farmer, J.F. Soriano, J.F. Vald\\'es Galicia, J. Glombitza, J. Hulsman, J. Jurysek, J. Kemp, J. Kleinfeller, J.M. Albury, J. Manshanden, J. Matthews, J.M. Carceller, J.M. Figueira, J. Pallotta, J. Pe\\~na-Rodriguez, J. Perez Armand, J.P. Gongora, J. P\\k{e}kala, J. Rautenberg, J.R. H\\\"orandel, J. Ridky, J. Rodriguez Rojo, J.R.T. de Mello Neto, J. Souchard, J. Stasielak, J. Vicha, J. Vink, J. \\v{S}up\\'ik, K. Choi, K. Daumiller, K.-D. Merenda, K.H. Becker, K.H. Kampert, K. Mulrey, K.S. Caballero-Mora, L. Anchordoqui, L.A. N\\'u\\~nez, L. Bonneau Arbeletche, L. Caccianiga, L. Calcagni, L. Cazon, L. Chytka, L. Lopes, L. Miramonti, L. Nellen, L. No\\v{z}ka, L. Perrone, L. Vaclavek, L. Valore, L. Villase\\~nor, L. Wiencke, L. Zehrer, M. Aglietta, M.A. Leigui de Oliveira, M.A. Muller, M. Boh\\'a\\v{c}ov\\'a, M. Buscemi, M. Cerda, M. del R\\'io, M.E. Bertaina, M. Erdmann, M. Giammarchi, M. Giller, M. G\\'omez Berisso, M. Gottowik, M. Hrabovsk\\'y, M.I. Micheletti, M.J. Roncoroni, M. Kleifges, M. K\\\"opke, M.L. D\\'iaz Castro, M. Malacari, M. Mastrodicasa, M.M. Freire, M. Mostaf\\'a, M. Muzio, M. Niculescu-Oglinzanu, M. Niechciol, M. Palatka, M. Pech, M. Perlin, M. Pimenta, M. Platino, M. Pothast, M.P. Panetta, M. Prouza, M.R. Coluccia, M. Reininghaus, M.R. Hampel, M. Risse, M. Roth, M. Schimassek, M. Schimp, M. Scornavacche, M. Stadelmaier, M. Su\\'arez-Dur\\'an, M.T. Dova, M. Trini, M. Tueros, M. Unger, M. Urban, M. Vacula, M. Weber, M. Wirtz, M. Zavrtanik, M. Ziolkowski, N. Borodai, N. Dhital, N. Fazzini, N. Gonz\\'alez, O. Deligny, O. Mart\\'inez Bravo, O. Scholten, O. Sima, O. Tkachenko, O. Zapparrata, P. Abreu, P. Assis, P. Billoir, P. Buchholz, P.F. G\\'omez Vitale, P.G. Isar, P. Hansen, P. Horvath, P.L. Biermann, P.L. Ghia, P. Mantsch, P.O. Mazur, P. Papenbreer, P. Privitera, P.R. Ara\\'ujo Ferreira, P. Ristori, P. Ruehl, P. Savina, P. Schov\\'anek, P. Sommers, P. Stassi, P. Tobiska, P. Travnicek, Q. Dorosti, Q. Luce, R. Alves Batista, R. Caruso, R.C. dos Anjos, R. Colalillo, R. Concei\\c{c}\\~ao, R.C. Shellard, R. Engel, R.G. Lang, R. Halliday, R.J. Barreira Luz, R. L\\'opez, R. Lorek, R.M. de Almeida, R. Mussa, R. Pelayo, R. Sarmento, R. Sato, R. Squartini, R. Ulrich, R. \\v{S}m\\'ida, R.W. Clay, S. Andringa, S. Buitink, S. Dasso, S. Hahn, S.J. De Jong, S.J. Saffi, S.J. Sciutto, S. Marafico, S. Michal, S. Mollerach, S. Petrera, S. Querchfeld, S. Schr\\\"oder, S. Stani\\v{c}, S. Vorobiov, T. Bister, T. Bretz, T.D. Grubb, T. Fodran, T. Fujii, T. Hebbeker, The Pierre Auger Collaboration: A. Aab, T. Huege, T. Pierog, T. Sudholz, T. Suomij\\\"arvi, T. Winchen, U. Giaccari, V. de Souza, V. Lenok, V.M. Harvey, V. Novotny, V. Pirronello, V. Rizi, V. Scherini, V. Verzi, W.M. Namasaka, W. Rodrigues de Carvalho, X. Bertou, Z. Szadkowski","cross_cats":["astro-ph.HE","hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-07-17T14:58:10Z","title":"Reconstruction of Events Recorded with the Surface Detector of the Pierre Auger Observatory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.09035","kind":"arxiv","version":4},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7ab682bbf5fef140bf0e2f555af4ce632f68be7c5620b2aeda7ad9ec3273563e","target":"record","created_at":"2026-07-05T01:49:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"de86cf0883b88d5b1b449145dc6004aa53457c09c683d330b6ab7c7eeb8006e3","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-07-17T14:58:10Z","title_canon_sha256":"39dfcf39509677a6459386ca1fe1948eeadc0919432129a9fe66168fc34dac33"},"schema_version":"1.0","source":{"id":"2007.09035","kind":"arxiv","version":4}},"canonical_sha256":"c1e6dbd9615d3c34b84b0b09dcc56db3b9806e51170c2088f7f0f8c6a18ef60a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1e6dbd9615d3c34b84b0b09dcc56db3b9806e51170c2088f7f0f8c6a18ef60a","first_computed_at":"2026-07-05T01:49:19.882992Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:49:19.882992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yzKYohJSWlsuxHkk+4slNRz0qdoJo29bAZLZnVFbHNqrovDdIeDYsH1+oNldIGCx0U/rEFA73dnDP1M7DyTwCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:49:19.883489Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.09035","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ab682bbf5fef140bf0e2f555af4ce632f68be7c5620b2aeda7ad9ec3273563e","sha256:84242dbf2c5a76ee361001007d29eed2ad3ca7645f1b1431f7957fdfeda481b2"],"state_sha256":"2c376a9899ad71ad76be1a9c6db2518b812f38d65260dc9c1dd8167542025c09"}