{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:G7CAG7BN5CO7S2ER2IG5BWLJPZ","short_pith_number":"pith:G7CAG7BN","canonical_record":{"source":{"id":"2607.06318","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T14:18:38Z","cross_cats_sorted":[],"title_canon_sha256":"42dc37a70b384cb8e3886b0d86d0e598d5242edc4161df12d30fe4a8e3817a14","abstract_canon_sha256":"06043962e8cb60961da2713989b56e62df9539ccc71996a4ea60e47d7f4c7f72"},"schema_version":"1.0"},"canonical_sha256":"37c4037c2de89df96891d20dd0d9697e4fbcc06ce713418b20ee8672acb81c81","source":{"kind":"arxiv","id":"2607.06318","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06318","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06318v1","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06318","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"G7CAG7BN5CO7","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"pith_short_16","alias_value":"G7CAG7BN5CO7S2ER","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"pith_short_8","alias_value":"G7CAG7BN","created_at":"2026-07-08T01:19:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:G7CAG7BN5CO7S2ER2IG5BWLJPZ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.06318","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T14:18:38Z","cross_cats_sorted":[],"title_canon_sha256":"42dc37a70b384cb8e3886b0d86d0e598d5242edc4161df12d30fe4a8e3817a14","abstract_canon_sha256":"06043962e8cb60961da2713989b56e62df9539ccc71996a4ea60e47d7f4c7f72"},"schema_version":"1.0"},"canonical_sha256":"37c4037c2de89df96891d20dd0d9697e4fbcc06ce713418b20ee8672acb81c81","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-08T01:19:21.226210Z","signature_b64":"WRib23b1uXu6FxdTXg8/iPHdrDp/lqJXs3MV4uGDx/kYHRYghbYRemTXGeKGydQaU8O7XTSu0CkRr/mKL/IRCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37c4037c2de89df96891d20dd0d9697e4fbcc06ce713418b20ee8672acb81c81","last_reissued_at":"2026-07-08T01:19:21.225769Z","signature_status":"signed_v1","first_computed_at":"2026-07-08T01:19:21.225769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.06318","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":"2026-07-08T01:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k13LOR2gzA+W266SQJO7e/hz+hvHiIV3M71tXOoH3h0+scYIX1abjFiV01hkoQjzUkiJULuWDebn2PmFUNhNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:30:50.034463Z"},"content_sha256":"6e59550b634c5180ea981910d4b22dad82975953b286b313f9994b427011fb08","schema_version":"1.0","event_id":"sha256:6e59550b634c5180ea981910d4b22dad82975953b286b313f9994b427011fb08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:G7CAG7BN5CO7S2ER2IG5BWLJPZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long-term performance of SiPMs in space environment measured by GRBAlpha, GRBBeta, and VZLUSAT-2 CubeSats","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Ales Povalac, Andras Pal, Balazs Csak, Che-Chih Tsao, Chih-En Wu, Chih-Hsun Lin, Chin-Ping Hu, Filip Hroch, Filip Munz, Gabor Galgoczi, Hirokazu Odaka, Hiromitsu Takahashi, Hsiang-Kuang Chang, Ivo Vertat, Jakub Kapus, Jakub Ripa, Jan Hudec, Jean-Paul Breuer, Juraj Dudas, Kaustubha Sen, Kazuhiro Nakazawa, Laszlo Meszaros, Lea Szakszonova, Maksim Rezenov, Marcel Frajt, Marianna Dafcikova, Martin Kolar, Martin Koleda, Martin Sabol, Martin Topinka, Masanori Ohno, Masato Yokota, Michaela Duriskova, Michal Pazderka, Miroslav Kasal, Miroslav Smelko, Nikola Husarikova, Norbert Werner, Pavel Kosik, Peter Hanak, Petr Svoboda, Robert Laszlo, Tomas Urbanec, Tomas Vitek, Tsunefumi Mizuno, Tsung-Che Liu, Vladimir Daniel, Yasushi Fukazawa, Yuto Ichinohe","submitted_at":"2026-07-07T14:18:38Z","abstract_excerpt":"In this work, we report the successful application of silicon photomultipliers (SiPMs) in gamma-ray burst (GRB) detectors used in CubeSats operating in the low Earth orbit (LEO) radiation environment. It is known that SiPMs are susceptible to radiation damage, leading to an increase in the dark count rate. This results in an increase in the low-energy threshold in detectors combining SiPMs and scintillators. Despite this drawback, they became popular in gamma-ray detectors on CubeSats due to their low operating voltage, small size and fast response. Therefore, it is important to characterise t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06318","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.06318/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-08T01:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qv9Yigm5/DFzXUH1VqUNg0F0pNkOw22WbIqsN7tCLUemxS+z2zXLZBWgfzCAXlBt0D6jsVh9tfT1DhZxRiUDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:30:50.034948Z"},"content_sha256":"79759ca3de37bc85c54d9f4791b3eed857124dbe50a65e987ab4b5528cfd8b2e","schema_version":"1.0","event_id":"sha256:79759ca3de37bc85c54d9f4791b3eed857124dbe50a65e987ab4b5528cfd8b2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ/bundle.json","state_url":"https://pith.science/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ/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":"2026-08-06T11:30:50Z","links":{"resolver":"https://pith.science/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ","bundle":"https://pith.science/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ/bundle.json","state":"https://pith.science/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G7CAG7BN5CO7S2ER2IG5BWLJPZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:G7CAG7BN5CO7S2ER2IG5BWLJPZ","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":"06043962e8cb60961da2713989b56e62df9539ccc71996a4ea60e47d7f4c7f72","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T14:18:38Z","title_canon_sha256":"42dc37a70b384cb8e3886b0d86d0e598d5242edc4161df12d30fe4a8e3817a14"},"schema_version":"1.0","source":{"id":"2607.06318","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06318","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06318v1","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06318","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"G7CAG7BN5CO7","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"pith_short_16","alias_value":"G7CAG7BN5CO7S2ER","created_at":"2026-07-08T01:19:21Z"},{"alias_kind":"pith_short_8","alias_value":"G7CAG7BN","created_at":"2026-07-08T01:19:21Z"}],"graph_snapshots":[{"event_id":"sha256:79759ca3de37bc85c54d9f4791b3eed857124dbe50a65e987ab4b5528cfd8b2e","target":"graph","created_at":"2026-07-08T01:19:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.06318/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we report the successful application of silicon photomultipliers (SiPMs) in gamma-ray burst (GRB) detectors used in CubeSats operating in the low Earth orbit (LEO) radiation environment. It is known that SiPMs are susceptible to radiation damage, leading to an increase in the dark count rate. This results in an increase in the low-energy threshold in detectors combining SiPMs and scintillators. Despite this drawback, they became popular in gamma-ray detectors on CubeSats due to their low operating voltage, small size and fast response. Therefore, it is important to characterise t","authors_text":"Ales Povalac, Andras Pal, Balazs Csak, Che-Chih Tsao, Chih-En Wu, Chih-Hsun Lin, Chin-Ping Hu, Filip Hroch, Filip Munz, Gabor Galgoczi, Hirokazu Odaka, Hiromitsu Takahashi, Hsiang-Kuang Chang, Ivo Vertat, Jakub Kapus, Jakub Ripa, Jan Hudec, Jean-Paul Breuer, Juraj Dudas, Kaustubha Sen, Kazuhiro Nakazawa, Laszlo Meszaros, Lea Szakszonova, Maksim Rezenov, Marcel Frajt, Marianna Dafcikova, Martin Kolar, Martin Koleda, Martin Sabol, Martin Topinka, Masanori Ohno, Masato Yokota, Michaela Duriskova, Michal Pazderka, Miroslav Kasal, Miroslav Smelko, Nikola Husarikova, Norbert Werner, Pavel Kosik, Peter Hanak, Petr Svoboda, Robert Laszlo, Tomas Urbanec, Tomas Vitek, Tsunefumi Mizuno, Tsung-Che Liu, Vladimir Daniel, Yasushi Fukazawa, Yuto Ichinohe","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T14:18:38Z","title":"Long-term performance of SiPMs in space environment measured by GRBAlpha, GRBBeta, and VZLUSAT-2 CubeSats"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06318","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":"sha256:6e59550b634c5180ea981910d4b22dad82975953b286b313f9994b427011fb08","target":"record","created_at":"2026-07-08T01:19:21Z","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":"06043962e8cb60961da2713989b56e62df9539ccc71996a4ea60e47d7f4c7f72","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-07-07T14:18:38Z","title_canon_sha256":"42dc37a70b384cb8e3886b0d86d0e598d5242edc4161df12d30fe4a8e3817a14"},"schema_version":"1.0","source":{"id":"2607.06318","kind":"arxiv","version":1}},"canonical_sha256":"37c4037c2de89df96891d20dd0d9697e4fbcc06ce713418b20ee8672acb81c81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37c4037c2de89df96891d20dd0d9697e4fbcc06ce713418b20ee8672acb81c81","first_computed_at":"2026-07-08T01:19:21.225769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-08T01:19:21.225769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WRib23b1uXu6FxdTXg8/iPHdrDp/lqJXs3MV4uGDx/kYHRYghbYRemTXGeKGydQaU8O7XTSu0CkRr/mKL/IRCA==","signature_status":"signed_v1","signed_at":"2026-07-08T01:19:21.226210Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.06318","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e59550b634c5180ea981910d4b22dad82975953b286b313f9994b427011fb08","sha256:79759ca3de37bc85c54d9f4791b3eed857124dbe50a65e987ab4b5528cfd8b2e"],"state_sha256":"f20d9f19ead2ac4bf478e360d58dd7f083f205a5391dd178d76b7b28b2dde167"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3NeMK1vMn9GdLdbOVNFyC4Ig267u4ZwTXruJKCrgk/Jn/8uUfwzOCG6qzQ3hGedvSUGO0ETWdc5Hye59yKvYDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:30:50.038418Z","bundle_sha256":"1f9abb7adbadf3988a1d1755e9af2ce0f02197ffe3c15414f4644194e8a91f3c"}}