{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MEUEHSG4D7OKUKKOQ2ZADY7QUE","short_pith_number":"pith:MEUEHSG4","canonical_record":{"source":{"id":"1712.01757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-05T16:58:35Z","cross_cats_sorted":[],"title_canon_sha256":"fc28c9209b61903db3f5802d2da25a897472386187514acf4859dd89d9b0c230","abstract_canon_sha256":"4d7f54a6891c469d34b2ff72838f1229f82e0ab43d428e3c6fb8e38144703870"},"schema_version":"1.0"},"canonical_sha256":"612843c8dc1fdcaa294e86b201e3f0a13da1ea8e2a1a77e3e73976bd5cf1160b","source":{"kind":"arxiv","id":"1712.01757","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01757","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01757v1","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01757","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"MEUEHSG4D7OK","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MEUEHSG4D7OKUKKO","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MEUEHSG4","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MEUEHSG4D7OKUKKOQ2ZADY7QUE","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-05T16:58:35Z","cross_cats_sorted":[],"title_canon_sha256":"fc28c9209b61903db3f5802d2da25a897472386187514acf4859dd89d9b0c230","abstract_canon_sha256":"4d7f54a6891c469d34b2ff72838f1229f82e0ab43d428e3c6fb8e38144703870"},"schema_version":"1.0"},"canonical_sha256":"612843c8dc1fdcaa294e86b201e3f0a13da1ea8e2a1a77e3e73976bd5cf1160b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:47.633782Z","signature_b64":"zSQXUW1m99x+vvrC8VbHs7DrO7+v/HwTH+MFHgMWdugWo6Im6bikGiE00P8zlIRKvo1252X5TofN9VWvVYPHCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"612843c8dc1fdcaa294e86b201e3f0a13da1ea8e2a1a77e3e73976bd5cf1160b","last_reissued_at":"2026-05-18T00:28:47.633184Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:47.633184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01757","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":"2026-05-18T00:28:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Q81bJoenduUKiNLr3nvjVbzyChOLeCfw6oDPtNTewlm2sYI2XQwhf5P5ZLyaoNHiDKPOobg0rvJyE9GZk6XAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:14:42.565601Z"},"content_sha256":"d4d0e8d1a5b728ae984777b49d6524ae345bec77ad8365c79f1fb3d908bc7fb2","schema_version":"1.0","event_id":"sha256:d4d0e8d1a5b728ae984777b49d6524ae345bec77ad8365c79f1fb3d908bc7fb2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MEUEHSG4D7OKUKKOQ2ZADY7QUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Calibration of CALET Onboard the International Space Station","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A.A. Moiseev, A. Javaid, A.M. Messineo, A. Shiomi, A.V. Penacchioni, A. Yoshida, B.F. Rauch, C. Checchia, C. Kato, E. Vannuccini, F. Palma, F. Stolzi, G. Bigongiari, G. Castellini, G. Collazuol, H. Fuke, H. Kitamura, H.M. Motz, H. Murakami, H.S. Krawczynski, H. Tomida, I. Takahashi, J.F. Krizmanic, J.F. Ormes, J.H. Buckley, J. Kataoka, J. Nishimura, J.P. Wefel, J.W. Mitchell, K. Asano, K. Ebisawa, K. Hibino, K. Ioka, K. Kasahara, K. Mizutani, K. Mori, K. Munakata, K. Sakai, K. Yamaoka, K. Yoshida, L. Pacini, M. Bongi, M.G. Bagliesi, M. Hareyama, M.H. Israel, M. Ichimura, M.L. Cherry, M. Mori, M. Sasaki, M. Takayanagi, M. Takita, N. Cannady, N. Hasebe, N. Kawanaka, N. Mori, N. Tateyama, O. Adriani, P. Brogi, P. Maestro, P. Papini, P.S. Marrocchesi, P. Spillantini, R. Kataoka, R. Miyata, R. Sparvoli, S. Bonechi, S. Kuramata, S. Miyake, S. Nakahira, S. Okuno, S. Ozawa, S. Ricciarini, S. Torii, S. Ueno, S. Yanagita, T.G. Guzik, T. Hams, T. Lomtadze, T. Sakamoto, T. Tamura, T. Terasawa, T. Yuda, V. Di Felice, W. Ishizaki, W.R. Binns, Y. Akaike, Y. Asaoka, Y.E. Nakagawa, Y. Katayose, Y. Kawakubo, Y. Komiya, Y. Shimizu, Y. Tsunesada, Y. Uchihori","submitted_at":"2017-12-05T16:58:35Z","abstract_excerpt":"In August 2015, the CALorimetric Electron Telescope (CALET), designed for long exposure observations of high energy cosmic rays, docked with the International Space Station (ISS) and shortly thereafter began tocollect data. CALET will measure the cosmic ray electron spectrum over the energy range of 1 GeV to 20 TeV with a very high resolution of 2% above 100 GeV, based on a dedicated instrument incorporating an exceptionally thick 30 radiation-length calorimeter with both total absorption and imaging (TASC and IMC) units. Each TASC readout channel must be carefully calibrated over the extremel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01757","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":"2026-05-18T00:28:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fK2h/Ha1dx5jA/eIi6tdh4iksN7Ugg/m+Bq5fVlY/ff/xemycQBWgDucUeeedvU19c6TUBfHWW+rOjrN98YtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:14:42.566284Z"},"content_sha256":"c8549fad7e85ce04775fde6342e0ebf942b6bea68b6cd9b70011c864ec65eb47","schema_version":"1.0","event_id":"sha256:c8549fad7e85ce04775fde6342e0ebf942b6bea68b6cd9b70011c864ec65eb47"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE/bundle.json","state_url":"https://pith.science/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE/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":"2026-05-26T18:14:42Z","links":{"resolver":"https://pith.science/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE","bundle":"https://pith.science/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE/bundle.json","state":"https://pith.science/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MEUEHSG4D7OKUKKOQ2ZADY7QUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MEUEHSG4D7OKUKKOQ2ZADY7QUE","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":"4d7f54a6891c469d34b2ff72838f1229f82e0ab43d428e3c6fb8e38144703870","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-05T16:58:35Z","title_canon_sha256":"fc28c9209b61903db3f5802d2da25a897472386187514acf4859dd89d9b0c230"},"schema_version":"1.0","source":{"id":"1712.01757","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01757","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01757v1","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01757","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"MEUEHSG4D7OK","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MEUEHSG4D7OKUKKO","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MEUEHSG4","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:c8549fad7e85ce04775fde6342e0ebf942b6bea68b6cd9b70011c864ec65eb47","target":"graph","created_at":"2026-05-18T00:28:47Z","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":"In August 2015, the CALorimetric Electron Telescope (CALET), designed for long exposure observations of high energy cosmic rays, docked with the International Space Station (ISS) and shortly thereafter began tocollect data. CALET will measure the cosmic ray electron spectrum over the energy range of 1 GeV to 20 TeV with a very high resolution of 2% above 100 GeV, based on a dedicated instrument incorporating an exceptionally thick 30 radiation-length calorimeter with both total absorption and imaging (TASC and IMC) units. Each TASC readout channel must be carefully calibrated over the extremel","authors_text":"A.A. Moiseev, A. Javaid, A.M. Messineo, A. Shiomi, A.V. Penacchioni, A. Yoshida, B.F. Rauch, C. Checchia, C. Kato, E. Vannuccini, F. Palma, F. Stolzi, G. Bigongiari, G. Castellini, G. Collazuol, H. Fuke, H. Kitamura, H.M. Motz, H. Murakami, H.S. Krawczynski, H. Tomida, I. Takahashi, J.F. Krizmanic, J.F. Ormes, J.H. Buckley, J. Kataoka, J. Nishimura, J.P. Wefel, J.W. Mitchell, K. Asano, K. Ebisawa, K. Hibino, K. Ioka, K. Kasahara, K. Mizutani, K. Mori, K. Munakata, K. Sakai, K. Yamaoka, K. Yoshida, L. Pacini, M. Bongi, M.G. Bagliesi, M. Hareyama, M.H. Israel, M. Ichimura, M.L. Cherry, M. Mori, M. Sasaki, M. Takayanagi, M. Takita, N. Cannady, N. Hasebe, N. Kawanaka, N. Mori, N. Tateyama, O. Adriani, P. Brogi, P. Maestro, P. Papini, P.S. Marrocchesi, P. Spillantini, R. Kataoka, R. Miyata, R. Sparvoli, S. Bonechi, S. Kuramata, S. Miyake, S. Nakahira, S. Okuno, S. Ozawa, S. Ricciarini, S. Torii, S. Ueno, S. Yanagita, T.G. Guzik, T. Hams, T. Lomtadze, T. Sakamoto, T. Tamura, T. Terasawa, T. Yuda, V. Di Felice, W. Ishizaki, W.R. Binns, Y. Akaike, Y. Asaoka, Y.E. Nakagawa, Y. Katayose, Y. Kawakubo, Y. Komiya, Y. Shimizu, Y. Tsunesada, Y. Uchihori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-05T16:58:35Z","title":"Energy Calibration of CALET Onboard the International Space Station"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01757","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:d4d0e8d1a5b728ae984777b49d6524ae345bec77ad8365c79f1fb3d908bc7fb2","target":"record","created_at":"2026-05-18T00:28:47Z","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":"4d7f54a6891c469d34b2ff72838f1229f82e0ab43d428e3c6fb8e38144703870","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-05T16:58:35Z","title_canon_sha256":"fc28c9209b61903db3f5802d2da25a897472386187514acf4859dd89d9b0c230"},"schema_version":"1.0","source":{"id":"1712.01757","kind":"arxiv","version":1}},"canonical_sha256":"612843c8dc1fdcaa294e86b201e3f0a13da1ea8e2a1a77e3e73976bd5cf1160b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"612843c8dc1fdcaa294e86b201e3f0a13da1ea8e2a1a77e3e73976bd5cf1160b","first_computed_at":"2026-05-18T00:28:47.633184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:47.633184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zSQXUW1m99x+vvrC8VbHs7DrO7+v/HwTH+MFHgMWdugWo6Im6bikGiE00P8zlIRKvo1252X5TofN9VWvVYPHCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:47.633782Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01757","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4d0e8d1a5b728ae984777b49d6524ae345bec77ad8365c79f1fb3d908bc7fb2","sha256:c8549fad7e85ce04775fde6342e0ebf942b6bea68b6cd9b70011c864ec65eb47"],"state_sha256":"6e384a59d6d2742104e6134460a44d745488a5ee3f65eec5fb10b870fb4a16d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q7CPCJPN/uJ6zNEyZLZ5WEd1ZlmUK50LkOLnizFqnVLOLAtiT99FOnupCrXHnT5Zm2mMAq7CNo5mLQKJ6utvAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:14:42.570049Z","bundle_sha256":"be632e44afaa5c2a805c50177dbc62ade2ad94595af132f09e84c5bdec965298"}}