{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:OKPXQLSNXHUOOQIUMBU2HTARHB","short_pith_number":"pith:OKPXQLSN","canonical_record":{"source":{"id":"1201.4964","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-01-24T12:39:20Z","cross_cats_sorted":[],"title_canon_sha256":"b9b9d3dc80f2f3f1ac0ac77e6a52e6236c7d79fc99c74f2797ca1a724309fb4b","abstract_canon_sha256":"e48f7208e83e42b0e1a1e066b89fbe3d4184363ac803f60e3e08b20bdfd02cad"},"schema_version":"1.0"},"canonical_sha256":"729f782e4db9e8e741146069a3cc1138546318c4bde99b7f37ff8fd232a68a8f","source":{"kind":"arxiv","id":"1201.4964","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4964","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4964v3","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4964","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"OKPXQLSNXHUO","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OKPXQLSNXHUOOQIU","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OKPXQLSN","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:OKPXQLSNXHUOOQIUMBU2HTARHB","target":"record","payload":{"canonical_record":{"source":{"id":"1201.4964","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-01-24T12:39:20Z","cross_cats_sorted":[],"title_canon_sha256":"b9b9d3dc80f2f3f1ac0ac77e6a52e6236c7d79fc99c74f2797ca1a724309fb4b","abstract_canon_sha256":"e48f7208e83e42b0e1a1e066b89fbe3d4184363ac803f60e3e08b20bdfd02cad"},"schema_version":"1.0"},"canonical_sha256":"729f782e4db9e8e741146069a3cc1138546318c4bde99b7f37ff8fd232a68a8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:42.850491Z","signature_b64":"5ZeqnwwV7ysDeVFH1XzLQNCVCRzrI7/nOEiDrkQUJISfjU0ySWKJbrxvDBJX/KnEAkuQtv6pgRucIm3qBxD/Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"729f782e4db9e8e741146069a3cc1138546318c4bde99b7f37ff8fd232a68a8f","last_reissued_at":"2026-05-18T01:58:42.849783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:42.849783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.4964","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:58:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9di8rbHkY2OyydGk1SDvcbBEihjLwoyYiHurk0NjOBfU25lDfZTwgn9t1R+cmF2m7Weity7yg1pUv4Jo/xWwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T21:13:24.882767Z"},"content_sha256":"54542b397f6d8293d9fe1e40dae65d1a0351f2ca95e8f32d13c86c1c49098ff4","schema_version":"1.0","event_id":"sha256:54542b397f6d8293d9fe1e40dae65d1a0351f2ca95e8f32d13c86c1c49098ff4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:OKPXQLSNXHUOOQIUMBU2HTARHB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The surface detector array of the Telescope Array 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. Gorbunov, D. Ikeda, D. Ivanov, D. Oku, D. R. Bergman, D. Rodriguez, 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. Miyauchi, 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. 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. Zollinger, S. A. Blake, S. B. Thomas, S. I. Lim, S. Iwamoto, S. Kawakami, S. Kawana, S. Machida, 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. A. Stroman, 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. Tomida, T. Wong, V. Kuzmin, W. Hanlon, W. R. Cho, Y. Hayashi, Y. J. Kwon, Y. Kobayashi, Y. Kondo, Y. Murano, Y. Takahashi, Y. Tameda, Y. Tsunesada, Y. Tsuyuguchi, Y. Uchihori, Y. Wada, Y. Yamakawa, Z. Zundel","submitted_at":"2012-01-24T12:39:20Z","abstract_excerpt":"The Telescope Array (TA) experiment, located in the western desert of Utah,USA, is designed for observation of extensive air showers from extremely high energy cosmic rays. The experiment has a surface detector array surrounded by three fluorescence detectors to enable simultaneous detection of shower particles at ground level and fluorescence photons along the shower track. The TA surface detectors and fluorescence detectors started full hybrid observation in March, 2008. In this article we describe the design and technical features of the TA surface detector."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4964","kind":"arxiv","version":3},"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":"2026-05-18T01:58:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhF29ir5YnhLXpMwRKFSMir+rPYcS6fkVZ7fGSe1H68F0BoQmPqLx1MurcSey0tbrbVhtkWoMgR2/RoZYGyAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T21:13:24.883129Z"},"content_sha256":"999d209809c567447b63869ec35bbfe038ebb8877cdf0b165ae17d66dae46469","schema_version":"1.0","event_id":"sha256:999d209809c567447b63869ec35bbfe038ebb8877cdf0b165ae17d66dae46469"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OKPXQLSNXHUOOQIUMBU2HTARHB/bundle.json","state_url":"https://pith.science/pith/OKPXQLSNXHUOOQIUMBU2HTARHB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OKPXQLSNXHUOOQIUMBU2HTARHB/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":"2026-05-19T21:13:24Z","links":{"resolver":"https://pith.science/pith/OKPXQLSNXHUOOQIUMBU2HTARHB","bundle":"https://pith.science/pith/OKPXQLSNXHUOOQIUMBU2HTARHB/bundle.json","state":"https://pith.science/pith/OKPXQLSNXHUOOQIUMBU2HTARHB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OKPXQLSNXHUOOQIUMBU2HTARHB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OKPXQLSNXHUOOQIUMBU2HTARHB","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":"e48f7208e83e42b0e1a1e066b89fbe3d4184363ac803f60e3e08b20bdfd02cad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-01-24T12:39:20Z","title_canon_sha256":"b9b9d3dc80f2f3f1ac0ac77e6a52e6236c7d79fc99c74f2797ca1a724309fb4b"},"schema_version":"1.0","source":{"id":"1201.4964","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4964","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4964v3","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4964","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"OKPXQLSNXHUO","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OKPXQLSNXHUOOQIU","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OKPXQLSN","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:999d209809c567447b63869ec35bbfe038ebb8877cdf0b165ae17d66dae46469","target":"graph","created_at":"2026-05-18T01:58:42Z","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 (TA) experiment, located in the western desert of Utah,USA, is designed for observation of extensive air showers from extremely high energy cosmic rays. The experiment has a surface detector array surrounded by three fluorescence detectors to enable simultaneous detection of shower particles at ground level and fluorescence photons along the shower track. The TA surface detectors and fluorescence detectors started full hybrid observation in March, 2008. In this article we describe the design and technical features of the TA surface detector.","authors_text":"A. L. Sampson, A. Oshima, A. Taketa, B. G. Cheon, B. K. Shin, B. T. Stokes, C. C. H. Jui, D. Gorbunov, D. Ikeda, D. Ivanov, D. Oku, D. R. Bergman, D. Rodriguez, 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. Miyauchi, 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. 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. Zollinger, S. A. Blake, S. B. Thomas, S. I. Lim, S. Iwamoto, S. Kawakami, S. Kawana, S. Machida, 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. A. Stroman, 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. Tomida, T. Wong, V. Kuzmin, W. Hanlon, W. R. Cho, Y. Hayashi, Y. J. Kwon, Y. Kobayashi, Y. Kondo, Y. Murano, Y. Takahashi, Y. Tameda, Y. Tsunesada, Y. Tsuyuguchi, Y. Uchihori, Y. Wada, Y. Yamakawa, Z. Zundel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-01-24T12:39:20Z","title":"The surface detector array of the Telescope Array experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4964","kind":"arxiv","version":3},"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":"sha256:54542b397f6d8293d9fe1e40dae65d1a0351f2ca95e8f32d13c86c1c49098ff4","target":"record","created_at":"2026-05-18T01:58:42Z","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":"e48f7208e83e42b0e1a1e066b89fbe3d4184363ac803f60e3e08b20bdfd02cad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-01-24T12:39:20Z","title_canon_sha256":"b9b9d3dc80f2f3f1ac0ac77e6a52e6236c7d79fc99c74f2797ca1a724309fb4b"},"schema_version":"1.0","source":{"id":"1201.4964","kind":"arxiv","version":3}},"canonical_sha256":"729f782e4db9e8e741146069a3cc1138546318c4bde99b7f37ff8fd232a68a8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"729f782e4db9e8e741146069a3cc1138546318c4bde99b7f37ff8fd232a68a8f","first_computed_at":"2026-05-18T01:58:42.849783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:42.849783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5ZeqnwwV7ysDeVFH1XzLQNCVCRzrI7/nOEiDrkQUJISfjU0ySWKJbrxvDBJX/KnEAkuQtv6pgRucIm3qBxD/Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:42.850491Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.4964","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54542b397f6d8293d9fe1e40dae65d1a0351f2ca95e8f32d13c86c1c49098ff4","sha256:999d209809c567447b63869ec35bbfe038ebb8877cdf0b165ae17d66dae46469"],"state_sha256":"bea7166a6b240f707e3a775522f9c0c79fd38e81c1556b3617dfbea56ba4bc40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dFSYEK+0XNP0p+JTHJMbIKYnhe477ldXXC5cW8rRGd7Py1X03mb2SSibHAaV+UI4bWLRzx91r5nkw/aI6AssBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T21:13:24.885231Z","bundle_sha256":"23361bc9ae27d035d540810202250d7925fce33f84aa146552c5e85b42f14ba4"}}