{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UEJHHITRJ3JC3BPBPY7WECXVKQ","short_pith_number":"pith:UEJHHITR","canonical_record":{"source":{"id":"1903.07271","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-18T06:47:59Z","cross_cats_sorted":[],"title_canon_sha256":"99f4d04ff1a3a9a4c144a4ef925a81376f255fb0d2fecb612c259a91686d33d1","abstract_canon_sha256":"6e9c2cf93f6f202d63334d082675a93d9e6f44e6eb3b81b7d7316e23a47c685b"},"schema_version":"1.0"},"canonical_sha256":"a11273a2714ed22d85e17e3f620af5540057e0fc139a5c279645a902aaa45f32","source":{"kind":"arxiv","id":"1903.07271","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.07271","created_at":"2026-05-17T23:50:40Z"},{"alias_kind":"arxiv_version","alias_value":"1903.07271v1","created_at":"2026-05-17T23:50:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.07271","created_at":"2026-05-17T23:50:40Z"},{"alias_kind":"pith_short_12","alias_value":"UEJHHITRJ3JC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UEJHHITRJ3JC3BPB","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UEJHHITR","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UEJHHITRJ3JC3BPBPY7WECXVKQ","target":"record","payload":{"canonical_record":{"source":{"id":"1903.07271","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-18T06:47:59Z","cross_cats_sorted":[],"title_canon_sha256":"99f4d04ff1a3a9a4c144a4ef925a81376f255fb0d2fecb612c259a91686d33d1","abstract_canon_sha256":"6e9c2cf93f6f202d63334d082675a93d9e6f44e6eb3b81b7d7316e23a47c685b"},"schema_version":"1.0"},"canonical_sha256":"a11273a2714ed22d85e17e3f620af5540057e0fc139a5c279645a902aaa45f32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:40.548758Z","signature_b64":"TayMA9ZvV7xhXpswlnyAGMdwr0/odioJQj9rXr8EnRYMcWB7ajYydMH+DCe1aoKZyJBlTbrcH+TTq8vhSiPiDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a11273a2714ed22d85e17e3f620af5540057e0fc139a5c279645a902aaa45f32","last_reissued_at":"2026-05-17T23:50:40.548178Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:40.548178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.07271","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":"2026-05-17T23:50:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s2rdPm9IKZJt2/ReA5O9ttKe4xQcVZB9nsQSWvG8ndn7iXp8PzKXKVVDWr+jBAPenKSQbvqMuzq7BpbarKO4Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:06:55.511445Z"},"content_sha256":"6e15dff131886003b6e9ca768d4fa01bf7d8149492ac167dea756aae9d9e039b","schema_version":"1.0","event_id":"sha256:6e15dff131886003b6e9ca768d4fa01bf7d8149492ac167dea756aae9d9e039b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UEJHHITRJ3JC3BPBPY7WECXVKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The CALorimetric Electron Telescope (CALET) on the International Space Station: Results from the First Two Years On Orbit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A.A. Moiseev, A. Bruno, A.M. Messineo, A. Shiomi, A. Sulaj, A.V. Penacchioni, A. Yoshida, B.F. Rauch, C. Checchia, C. Kato, E. Berti, E. Vannuccini, F. Palma, F. Stolzi, G.A.De. Nolfo, G. Bigongiari, G. Castellini, G. Collazuol, H. Fuke, H.M. Motz, H. Murakami, H.S. Krawczynski, H. Tomida, I. Takahashi, J.E. Suh, 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. Kohri, K. Mori, K. Munakata, K. Sakai, K. Yamaoka, K. Yoshida, L. Pacini, M. Bongi, M.G. Bagliesi, 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. Sparvoli, S. Bonechi, S.B. Ricciarini, S. Miyake, S. Nakahira, S. Okuno, S. Ozawa, S. Sugita, S. Torii, S. Ueno, S. Yanagita, T.G. Guzik, T. Hams, T. Lomtadze, T. Sakamoto, T. Tamura, T. Terasawa, V.Di. Felice, V. Pal'shin, W. Ishizaki, W.R. Binns, Y. Akaike, Y. Asaoka, Y. Katayose, Y. Kawakubo, Y. Shimizu, Y. Tsunesada, Y. Uchihori","submitted_at":"2019-03-18T06:47:59Z","abstract_excerpt":"The CALorimetric Electron Telescope (CALET) is a high-energy astroparticle physics space experiment installed on the International Space Station (ISS), developed and operated by Japan in collaboration with Italy and the United States. The CALET mission goals include the investigation of possible nearby sources of high-energy electrons, of the details of galactic particle acceleration and propagation, and of potential signatures of dark matter. CALET measures the cosmic-ray electron + positron flux up to 20 TeV, gamma-rays up to 10 TeV, and nuclei with Z=1 to 40 up to 1,000 TeV for the more abu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.07271","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":"2026-05-17T23:50:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CciRf8TKvtIf70qc8lQISTLVum2YO/avhEeRz8Yxee8DLDxHwlasT6BQeicQFh6fXEHEtrEZFcoLCUqJ2u4ZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:06:55.512122Z"},"content_sha256":"0cc2c91a80d5aaa4313764d7e9fdfc79330c27eae8402d43211e4691117b9215","schema_version":"1.0","event_id":"sha256:0cc2c91a80d5aaa4313764d7e9fdfc79330c27eae8402d43211e4691117b9215"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ/bundle.json","state_url":"https://pith.science/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ/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":"2026-05-26T23:06:55Z","links":{"resolver":"https://pith.science/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ","bundle":"https://pith.science/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ/bundle.json","state":"https://pith.science/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UEJHHITRJ3JC3BPBPY7WECXVKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UEJHHITRJ3JC3BPBPY7WECXVKQ","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":"6e9c2cf93f6f202d63334d082675a93d9e6f44e6eb3b81b7d7316e23a47c685b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-18T06:47:59Z","title_canon_sha256":"99f4d04ff1a3a9a4c144a4ef925a81376f255fb0d2fecb612c259a91686d33d1"},"schema_version":"1.0","source":{"id":"1903.07271","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.07271","created_at":"2026-05-17T23:50:40Z"},{"alias_kind":"arxiv_version","alias_value":"1903.07271v1","created_at":"2026-05-17T23:50:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.07271","created_at":"2026-05-17T23:50:40Z"},{"alias_kind":"pith_short_12","alias_value":"UEJHHITRJ3JC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UEJHHITRJ3JC3BPB","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UEJHHITR","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:0cc2c91a80d5aaa4313764d7e9fdfc79330c27eae8402d43211e4691117b9215","target":"graph","created_at":"2026-05-17T23:50:40Z","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 CALorimetric Electron Telescope (CALET) is a high-energy astroparticle physics space experiment installed on the International Space Station (ISS), developed and operated by Japan in collaboration with Italy and the United States. The CALET mission goals include the investigation of possible nearby sources of high-energy electrons, of the details of galactic particle acceleration and propagation, and of potential signatures of dark matter. CALET measures the cosmic-ray electron + positron flux up to 20 TeV, gamma-rays up to 10 TeV, and nuclei with Z=1 to 40 up to 1,000 TeV for the more abu","authors_text":"A.A. Moiseev, A. Bruno, A.M. Messineo, A. Shiomi, A. Sulaj, A.V. Penacchioni, A. Yoshida, B.F. Rauch, C. Checchia, C. Kato, E. Berti, E. Vannuccini, F. Palma, F. Stolzi, G.A.De. Nolfo, G. Bigongiari, G. Castellini, G. Collazuol, H. Fuke, H.M. Motz, H. Murakami, H.S. Krawczynski, H. Tomida, I. Takahashi, J.E. Suh, 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. Kohri, K. Mori, K. Munakata, K. Sakai, K. Yamaoka, K. Yoshida, L. Pacini, M. Bongi, M.G. Bagliesi, 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. Sparvoli, S. Bonechi, S.B. Ricciarini, S. Miyake, S. Nakahira, S. Okuno, S. Ozawa, S. Sugita, S. Torii, S. Ueno, S. Yanagita, T.G. Guzik, T. Hams, T. Lomtadze, T. Sakamoto, T. Tamura, T. Terasawa, V.Di. Felice, V. Pal'shin, W. Ishizaki, W.R. Binns, Y. Akaike, Y. Asaoka, Y. Katayose, Y. Kawakubo, Y. Shimizu, Y. Tsunesada, Y. Uchihori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-18T06:47:59Z","title":"The CALorimetric Electron Telescope (CALET) on the International Space Station: Results from the First Two Years On Orbit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.07271","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":"sha256:6e15dff131886003b6e9ca768d4fa01bf7d8149492ac167dea756aae9d9e039b","target":"record","created_at":"2026-05-17T23:50:40Z","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":"6e9c2cf93f6f202d63334d082675a93d9e6f44e6eb3b81b7d7316e23a47c685b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-18T06:47:59Z","title_canon_sha256":"99f4d04ff1a3a9a4c144a4ef925a81376f255fb0d2fecb612c259a91686d33d1"},"schema_version":"1.0","source":{"id":"1903.07271","kind":"arxiv","version":1}},"canonical_sha256":"a11273a2714ed22d85e17e3f620af5540057e0fc139a5c279645a902aaa45f32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a11273a2714ed22d85e17e3f620af5540057e0fc139a5c279645a902aaa45f32","first_computed_at":"2026-05-17T23:50:40.548178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:40.548178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TayMA9ZvV7xhXpswlnyAGMdwr0/odioJQj9rXr8EnRYMcWB7ajYydMH+DCe1aoKZyJBlTbrcH+TTq8vhSiPiDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:40.548758Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.07271","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e15dff131886003b6e9ca768d4fa01bf7d8149492ac167dea756aae9d9e039b","sha256:0cc2c91a80d5aaa4313764d7e9fdfc79330c27eae8402d43211e4691117b9215"],"state_sha256":"5ed9ae86d477c3a98a9789aa2ef38bc895edd01aae4b4c9fa3f25055b8de762e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CXvQs+vNZO3WXj4BzZUW39cgb6yhD6E65cJX4U86nkhqw7mo9NIoHuH0DIN2MinsXquR3YSHkC8g+1Jbr4cXBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:06:55.515483Z","bundle_sha256":"286bbac00ccbf8be8fd5793c0ec316e8ec82d6b7b2bef033b1731928d4dc6e3f"}}