{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4VCNLOEQRDLOP2IPZJFLUMHGD7","short_pith_number":"pith:4VCNLOEQ","canonical_record":{"source":{"id":"1305.7273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-31T00:13:07Z","cross_cats_sorted":[],"title_canon_sha256":"4212bb0406c5e899363c08ff8d41337347a5c5514df61d081d31550f8974dca1","abstract_canon_sha256":"0a7fa8c28e611b250ca8df9c5798401fb54016a51427abaa7dc45652dc0b5ea9"},"schema_version":"1.0"},"canonical_sha256":"e544d5b89088d6e7e90fca4aba30e61fe20e3bfc186f26a11638dc343757f248","source":{"kind":"arxiv","id":"1305.7273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.7273","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"arxiv_version","alias_value":"1305.7273v1","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.7273","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"pith_short_12","alias_value":"4VCNLOEQRDLO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4VCNLOEQRDLOP2IP","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4VCNLOEQ","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4VCNLOEQRDLOP2IPZJFLUMHGD7","target":"record","payload":{"canonical_record":{"source":{"id":"1305.7273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-31T00:13:07Z","cross_cats_sorted":[],"title_canon_sha256":"4212bb0406c5e899363c08ff8d41337347a5c5514df61d081d31550f8974dca1","abstract_canon_sha256":"0a7fa8c28e611b250ca8df9c5798401fb54016a51427abaa7dc45652dc0b5ea9"},"schema_version":"1.0"},"canonical_sha256":"e544d5b89088d6e7e90fca4aba30e61fe20e3bfc186f26a11638dc343757f248","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:07.344511Z","signature_b64":"WJhHk/Ol4MqLzsjWtv0GGYi8dgCFn7VIyaqNoehi7VwBVuLhxbfSu1KC7iZVeqQEAZ+KjqIf6G4OA3slQRBABA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e544d5b89088d6e7e90fca4aba30e61fe20e3bfc186f26a11638dc343757f248","last_reissued_at":"2026-05-18T03:22:07.343725Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:07.343725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.7273","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IvglgUxMm5W0a7CfkL0cZCSHT9CTmhC+CdOqnWA7/lydOF5AokYotwHa5Y57Ob1Cf90mcARDCDW17eqe0rjSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:41:11.432410Z"},"content_sha256":"a97e6f351791e9714a5edbe65538e7c8b49e15d49aae4f7671a10d08d2314173","schema_version":"1.0","event_id":"sha256:a97e6f351791e9714a5edbe65538e7c8b49e15d49aae4f7671a10d08d2314173"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4VCNLOEQRDLOP2IPZJFLUMHGD7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Spectrum of Ultra-High Energy Cosmic Rays Observed with the Telescope Array Using a Hybrid Technique","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A.L.Sampson, A.Oshima, A.Taketa, B.G.Cheon, B.K.Shin, B.T.Stokes, C.C.H.Jui, D.C.Rodriguez, D.Ikeda, D.Ivanov, D.Oku, D.R.Bergman, D.Ryu, E.Barcikowski, E.J.Cho, E.Kido, F.Kakimoto, F.Shibata, F.Urban, G.B.Thomson, G.Rubtsov, G.Vasiloff, H.B.Kim, H.Fujii, H.Ito, H.Kawai, H.K.Kim, H.Ohoka, H.Sagawa, H.Shimodaira, H.Tanaka, H.Tokuno, H.Ukai, H.Yamaoka, H.Yoshii, I.H.Park, I.Myers, I.Tkachev, J.Chiba, J.D.Smith, J.H.Kim, J.I.Shin, J.Lan, J.N.Matthews, J.P.Lundquist, J.W.Belz, J.Yang, K.Hayashi, K.Hibino, K.Hiyama, K.Honda, K.Ikuta, K.Kadota, K.kasahara, K.Kitamoto, K.Kobayashi, K.Kuramoto, K.Martens, K.Miyata, K.Nagasawa, K.Oki, K.Tanaka, K.Tsutsumi, K.Yamazaki, L.M.Scott, M.Allen, M.Chikawa, M.Fukushima, M.Minamino, M.Ohnishi, M.Ono, M.S.Pshirkov, M.Takeda, M.Takita, M.Tanaka, N.Hayashida, N.Inoue, N.Sakurai, O.Kalashev, P.D.Shah, P.Sokolsky, P.Tinyakov, R.Aida, R.Anderson, R.Azuma, R.Cady, R.Ishimori, R.W.Springer, R.Yamane, R.Zollinger, S.A.Blake, S.B.Thomas, S.I.Lim, S.Iwamoto, S.Kawakami, S.Kawana, S.Kitamura, S.Machida, S.Nagataki, S.Ogio, S.Ozawa, S.R.Stratton, S.Suzuki, S.Troitsky, S.Udo, S.W.Nam, S.Yoshida, S.Y.Roh, T.Abu-Zayyad, T.Fujii, T.Fukuda, T.Iguchi, T.Ishii, T.Kanbe, T.Matsuda, T.Matsuura, T.Matsuyama, T.Nakamura, T.Nonaka, T.Okuda, T.Shibata, T.Shirahama, T.Stroman, T.Tomida, T.Wong, V.Kuzmin, W.Hanlon, W.R.Cho, X.Zhou, Y.Hayashi, Y.J.Kwon, Y.Kitamura, Y.Kobayashi, Y.Kondo, Y.Murano, Y.Takahashi, Y.Tameda, Y.Tsunesada, Y.Tsuyuguchi, Y.Uchihori, Y.Wada, Y.Yamakawa, Y.Yoneda, Z.Zundel","submitted_at":"2013-05-31T00:13:07Z","abstract_excerpt":"We measure the spectrum of cosmic rays with energies greater than $10^{18.2}$ eV with the Fluorescence Detectors (FDs) and the Surface Detectors (SDs) of the Telescope Array Experiment using the data taken in our first 2.3-year observation from May 27 2008 to September 7 2010. A hybrid air shower reconstruction technique is employed to improve accuracies in determination of arrival directions and primary energies of cosmic rays using both FD and SD data. The energy spectrum presented here is in agreement with our previously published spectra and the HiRes results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.7273","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OhmQmPW+kfjW17uPr4YyDCPKZ7i6+TVxowWbjdRRM2SJ9rnzG6V5YH+wOZsL4NfxhdEAZVvJUC6mZa0IukYaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:41:11.433189Z"},"content_sha256":"a7158d0ddb92e39c5396097cd9b1ac997a56f3f8a3864ffe6a9144c1c49fd3f7","schema_version":"1.0","event_id":"sha256:a7158d0ddb92e39c5396097cd9b1ac997a56f3f8a3864ffe6a9144c1c49fd3f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7/bundle.json","state_url":"https://pith.science/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T23:41:11Z","links":{"resolver":"https://pith.science/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7","bundle":"https://pith.science/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7/bundle.json","state":"https://pith.science/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VCNLOEQRDLOP2IPZJFLUMHGD7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4VCNLOEQRDLOP2IPZJFLUMHGD7","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":"0a7fa8c28e611b250ca8df9c5798401fb54016a51427abaa7dc45652dc0b5ea9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-31T00:13:07Z","title_canon_sha256":"4212bb0406c5e899363c08ff8d41337347a5c5514df61d081d31550f8974dca1"},"schema_version":"1.0","source":{"id":"1305.7273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.7273","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"arxiv_version","alias_value":"1305.7273v1","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.7273","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"pith_short_12","alias_value":"4VCNLOEQRDLO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4VCNLOEQRDLOP2IP","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4VCNLOEQ","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:a7158d0ddb92e39c5396097cd9b1ac997a56f3f8a3864ffe6a9144c1c49fd3f7","target":"graph","created_at":"2026-05-18T03:22:07Z","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"},"paper":{"abstract_excerpt":"We measure the spectrum of cosmic rays with energies greater than $10^{18.2}$ eV with the Fluorescence Detectors (FDs) and the Surface Detectors (SDs) of the Telescope Array Experiment using the data taken in our first 2.3-year observation from May 27 2008 to September 7 2010. A hybrid air shower reconstruction technique is employed to improve accuracies in determination of arrival directions and primary energies of cosmic rays using both FD and SD data. The energy spectrum presented here is in agreement with our previously published spectra and the HiRes results.","authors_text":"A.L.Sampson, A.Oshima, A.Taketa, B.G.Cheon, B.K.Shin, B.T.Stokes, C.C.H.Jui, D.C.Rodriguez, D.Ikeda, D.Ivanov, D.Oku, D.R.Bergman, D.Ryu, E.Barcikowski, E.J.Cho, E.Kido, F.Kakimoto, F.Shibata, F.Urban, G.B.Thomson, G.Rubtsov, G.Vasiloff, H.B.Kim, H.Fujii, H.Ito, H.Kawai, H.K.Kim, H.Ohoka, H.Sagawa, H.Shimodaira, H.Tanaka, H.Tokuno, H.Ukai, H.Yamaoka, H.Yoshii, I.H.Park, I.Myers, I.Tkachev, J.Chiba, J.D.Smith, J.H.Kim, J.I.Shin, J.Lan, J.N.Matthews, J.P.Lundquist, J.W.Belz, J.Yang, K.Hayashi, K.Hibino, K.Hiyama, K.Honda, K.Ikuta, K.Kadota, K.kasahara, K.Kitamoto, K.Kobayashi, K.Kuramoto, K.Martens, K.Miyata, K.Nagasawa, K.Oki, K.Tanaka, K.Tsutsumi, K.Yamazaki, L.M.Scott, M.Allen, M.Chikawa, M.Fukushima, M.Minamino, M.Ohnishi, M.Ono, M.S.Pshirkov, M.Takeda, M.Takita, M.Tanaka, N.Hayashida, N.Inoue, N.Sakurai, O.Kalashev, P.D.Shah, P.Sokolsky, P.Tinyakov, R.Aida, R.Anderson, R.Azuma, R.Cady, R.Ishimori, R.W.Springer, R.Yamane, R.Zollinger, S.A.Blake, S.B.Thomas, S.I.Lim, S.Iwamoto, S.Kawakami, S.Kawana, S.Kitamura, S.Machida, S.Nagataki, S.Ogio, S.Ozawa, S.R.Stratton, S.Suzuki, S.Troitsky, S.Udo, S.W.Nam, S.Yoshida, S.Y.Roh, T.Abu-Zayyad, T.Fujii, T.Fukuda, T.Iguchi, T.Ishii, T.Kanbe, T.Matsuda, T.Matsuura, T.Matsuyama, T.Nakamura, T.Nonaka, T.Okuda, T.Shibata, T.Shirahama, T.Stroman, T.Tomida, T.Wong, V.Kuzmin, W.Hanlon, W.R.Cho, X.Zhou, Y.Hayashi, Y.J.Kwon, Y.Kitamura, Y.Kobayashi, Y.Kondo, Y.Murano, Y.Takahashi, Y.Tameda, Y.Tsunesada, Y.Tsuyuguchi, Y.Uchihori, Y.Wada, Y.Yamakawa, Y.Yoneda, Z.Zundel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-31T00:13:07Z","title":"Energy Spectrum of Ultra-High Energy Cosmic Rays Observed with the Telescope Array Using a Hybrid Technique"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.7273","kind":"arxiv","version":1},"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:a97e6f351791e9714a5edbe65538e7c8b49e15d49aae4f7671a10d08d2314173","target":"record","created_at":"2026-05-18T03:22:07Z","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":"0a7fa8c28e611b250ca8df9c5798401fb54016a51427abaa7dc45652dc0b5ea9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-31T00:13:07Z","title_canon_sha256":"4212bb0406c5e899363c08ff8d41337347a5c5514df61d081d31550f8974dca1"},"schema_version":"1.0","source":{"id":"1305.7273","kind":"arxiv","version":1}},"canonical_sha256":"e544d5b89088d6e7e90fca4aba30e61fe20e3bfc186f26a11638dc343757f248","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e544d5b89088d6e7e90fca4aba30e61fe20e3bfc186f26a11638dc343757f248","first_computed_at":"2026-05-18T03:22:07.343725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:07.343725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WJhHk/Ol4MqLzsjWtv0GGYi8dgCFn7VIyaqNoehi7VwBVuLhxbfSu1KC7iZVeqQEAZ+KjqIf6G4OA3slQRBABA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:07.344511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.7273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a97e6f351791e9714a5edbe65538e7c8b49e15d49aae4f7671a10d08d2314173","sha256:a7158d0ddb92e39c5396097cd9b1ac997a56f3f8a3864ffe6a9144c1c49fd3f7"],"state_sha256":"4d2816c34400b81dd44bd9ed1fa04d150b0965890e7a6bd8ca35b715dc2aeaa5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MgkGVtt+0S4f064OnQzBZuNLKBYAaOxjWFT94bNcF+pnSpmEtLVF7uuo5Q/gE/mwD1g8tfPYbDKaKURVPELqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:41:11.437074Z","bundle_sha256":"05849eeb3c3685e4de570fa14e7dcc16746f4141cca2f268ae27d1b8bbe0ea05"}}