{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:M2EBPY3GX67ORMGQFICMAXDVJO","short_pith_number":"pith:M2EBPY3G","canonical_record":{"source":{"id":"1202.5141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-02-23T10:19:28Z","cross_cats_sorted":[],"title_canon_sha256":"04cda4e591d729fc3870d545d8bd9df31b927ef88f5c97b067518d1bf8e45503","abstract_canon_sha256":"c62e81060dae6fb8887324e062abf1d39aa6ec57aed2028999299ef4e393affc"},"schema_version":"1.0"},"canonical_sha256":"668817e366bfbee8b0d02a04c05c754bbf7eb1b2e2d55b9f6df128861aeef99f","source":{"kind":"arxiv","id":"1202.5141","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5141","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5141v1","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5141","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"pith_short_12","alias_value":"M2EBPY3GX67O","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"M2EBPY3GX67ORMGQ","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"M2EBPY3G","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:M2EBPY3GX67ORMGQFICMAXDVJO","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-02-23T10:19:28Z","cross_cats_sorted":[],"title_canon_sha256":"04cda4e591d729fc3870d545d8bd9df31b927ef88f5c97b067518d1bf8e45503","abstract_canon_sha256":"c62e81060dae6fb8887324e062abf1d39aa6ec57aed2028999299ef4e393affc"},"schema_version":"1.0"},"canonical_sha256":"668817e366bfbee8b0d02a04c05c754bbf7eb1b2e2d55b9f6df128861aeef99f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:20.422262Z","signature_b64":"S8WiFO9miuNhbAJk32UYDdUulCZ+C58FNLugVn4hH+bJtd/prdGu7aP9smzEI2qKvwHRoUEICRmjjAt/9YJ0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"668817e366bfbee8b0d02a04c05c754bbf7eb1b2e2d55b9f6df128861aeef99f","last_reissued_at":"2026-05-18T01:58:20.421817Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:20.421817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5141","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":"2026-05-18T01:58:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b6KEO3j1+F/uypsLlL2A2KbG5/Xqh98EwxXSQS3HzibO2CpSa9f12QRq6sx5yC35Cnl9e9rm3SBWUH/llsOeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:32:29.088479Z"},"content_sha256":"ba326021ea10da498546c49e3aab5ec9f5eb8200b75db25f641e9a02dd478f24","schema_version":"1.0","event_id":"sha256:ba326021ea10da498546c49e3aab5ec9f5eb8200b75db25f641e9a02dd478f24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:M2EBPY3GX67ORMGQFICMAXDVJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Energy Spectrum of Telescope Array's Middle Drum Detector and the Direct Comparison to the High Resolution Fly's Eye Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","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. Gorbunov, D. Ikeda, D. Ivanov, D. Oku, D. R. Bergman, D. Ryu, E. Barcikowski, E. J. Cho, E. Kido, F. Kakimoto, F. Shibata, G. B. Thomson, G. Rubtsov, G. Vasiloff, H. B. Kim, H. Fujii, 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. Tkachev, J. Chiba, J. D. Smith, J. H. Kim, J. I. Shin, J. Martineau, J. N. Matthews, 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. Oki, K. Tanaka, K. Tsutsumi, K. Yamazaki, L. M. Scott, M. Allen, M. Chikawa, M. Fukushima, M. Minamino, M. Ohnishi, M. S. Pshirkov, M. Takeda, M. Takita, M. Tanaka, M. Wood, 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. J. Sonley, 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, 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":"2012-02-23T10:19:28Z","abstract_excerpt":"The Telescope Array's Middle Drum fluorescence detector was instrumented with telescopes refurbished from the High Resolution Fly's Eye's HiRes-1 site. The data observed by Middle Drum in monocular mode was analyzed via the HiRes-1 profile-constrained geometry reconstruction technique and utilized the same calibration techniques enabling a direct comparison of the energy spectra and energy scales between the two experiments. The spectrum measured using the Middle Drum telescopes is based on a three-year exposure collected between December 16, 2007 and December 16, 2010. The calculated differen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5141","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":"2026-05-18T01:58:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+vw/7JHYqXT1nf2qfJOz3BwOnoEETxKVW2q3sthhSTOHS/D5N3qJ8Xu5DzLEo80HRxYb8vqx1Rbkim9RmeTWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:32:29.088901Z"},"content_sha256":"00ee2065e3b625d871a01a4a13a8d4af492d089442e1d9876a5a78c45bb0c613","schema_version":"1.0","event_id":"sha256:00ee2065e3b625d871a01a4a13a8d4af492d089442e1d9876a5a78c45bb0c613"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M2EBPY3GX67ORMGQFICMAXDVJO/bundle.json","state_url":"https://pith.science/pith/M2EBPY3GX67ORMGQFICMAXDVJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M2EBPY3GX67ORMGQFICMAXDVJO/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":"2026-05-27T09:32:29Z","links":{"resolver":"https://pith.science/pith/M2EBPY3GX67ORMGQFICMAXDVJO","bundle":"https://pith.science/pith/M2EBPY3GX67ORMGQFICMAXDVJO/bundle.json","state":"https://pith.science/pith/M2EBPY3GX67ORMGQFICMAXDVJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M2EBPY3GX67ORMGQFICMAXDVJO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:M2EBPY3GX67ORMGQFICMAXDVJO","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":"c62e81060dae6fb8887324e062abf1d39aa6ec57aed2028999299ef4e393affc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-02-23T10:19:28Z","title_canon_sha256":"04cda4e591d729fc3870d545d8bd9df31b927ef88f5c97b067518d1bf8e45503"},"schema_version":"1.0","source":{"id":"1202.5141","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5141","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5141v1","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5141","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"pith_short_12","alias_value":"M2EBPY3GX67O","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"M2EBPY3GX67ORMGQ","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"M2EBPY3G","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:00ee2065e3b625d871a01a4a13a8d4af492d089442e1d9876a5a78c45bb0c613","target":"graph","created_at":"2026-05-18T01:58:20Z","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":"The Telescope Array's Middle Drum fluorescence detector was instrumented with telescopes refurbished from the High Resolution Fly's Eye's HiRes-1 site. The data observed by Middle Drum in monocular mode was analyzed via the HiRes-1 profile-constrained geometry reconstruction technique and utilized the same calibration techniques enabling a direct comparison of the energy spectra and energy scales between the two experiments. The spectrum measured using the Middle Drum telescopes is based on a three-year exposure collected between December 16, 2007 and December 16, 2010. The calculated differen","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. Gorbunov, D. Ikeda, D. Ivanov, D. Oku, D. R. Bergman, D. Ryu, E. Barcikowski, E. J. Cho, E. Kido, F. Kakimoto, F. Shibata, G. B. Thomson, G. Rubtsov, G. Vasiloff, H. B. Kim, H. Fujii, 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. Tkachev, J. Chiba, J. D. Smith, J. H. Kim, J. I. Shin, J. Martineau, J. N. Matthews, 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. Oki, K. Tanaka, K. Tsutsumi, K. Yamazaki, L. M. Scott, M. Allen, M. Chikawa, M. Fukushima, M. Minamino, M. Ohnishi, M. S. Pshirkov, M. Takeda, M. Takita, M. Tanaka, M. Wood, 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. J. Sonley, 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, 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.IM","submitted_at":"2012-02-23T10:19:28Z","title":"The Energy Spectrum of Telescope Array's Middle Drum Detector and the Direct Comparison to the High Resolution Fly's Eye Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5141","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:ba326021ea10da498546c49e3aab5ec9f5eb8200b75db25f641e9a02dd478f24","target":"record","created_at":"2026-05-18T01:58:20Z","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":"c62e81060dae6fb8887324e062abf1d39aa6ec57aed2028999299ef4e393affc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-02-23T10:19:28Z","title_canon_sha256":"04cda4e591d729fc3870d545d8bd9df31b927ef88f5c97b067518d1bf8e45503"},"schema_version":"1.0","source":{"id":"1202.5141","kind":"arxiv","version":1}},"canonical_sha256":"668817e366bfbee8b0d02a04c05c754bbf7eb1b2e2d55b9f6df128861aeef99f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"668817e366bfbee8b0d02a04c05c754bbf7eb1b2e2d55b9f6df128861aeef99f","first_computed_at":"2026-05-18T01:58:20.421817Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:20.421817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S8WiFO9miuNhbAJk32UYDdUulCZ+C58FNLugVn4hH+bJtd/prdGu7aP9smzEI2qKvwHRoUEICRmjjAt/9YJ0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:20.422262Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5141","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba326021ea10da498546c49e3aab5ec9f5eb8200b75db25f641e9a02dd478f24","sha256:00ee2065e3b625d871a01a4a13a8d4af492d089442e1d9876a5a78c45bb0c613"],"state_sha256":"b9920272eaa42b6e625061f1844127d3add1a55fb7b7816da0837e06bd35c3c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+GoXU7Wbhj4Kljy8/Ydt+ZU6Gabuc2Bh5VKPUpKINX7VY7TrI82e3EhPkW30NOq50gh50PlIXv3wSt+EqJsnBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:32:29.092046Z","bundle_sha256":"1eec3043a30b47c15f9a297b3d8399276704a4f3ffd8f0f746ab477516f0c19d"}}