{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:BD5PSMJTQ27YP2RPXIYOEDC5DZ","short_pith_number":"pith:BD5PSMJT","schema_version":"1.0","canonical_sha256":"08faf9313386bf87ea2fba30e20c5d1e432e5263c2f2c0333b2566e279ccd3d9","source":{"kind":"arxiv","id":"1306.5400","version":1},"attestation_state":"computed","paper":{"title":"Proton Radiation Damage Experiment on P-Channel CCD for an X-ray CCD camera onboard the Astro-H satellite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Hiroaki Kan, Hiroshi Murakami, Hiroshi Nakajima, Hiroshi Tsunemi, Kenshi Sagara, Kiyoshi Hayashida, Koji Mori, Makoto Yamauchi, Masanobu Ozaki, Naohisa Anabuki, Ryo Nagino, Satoshi Ohura, Shoma Ikeda, Shutaro Ueda, Tadayasu Dotani, Takayoshi Kohmura, Yoshiaki Koura, Yukie Maeda, Yusuke Nishioka","submitted_at":"2013-06-23T13:09:44Z","abstract_excerpt":"We report on a proton radiation damage experiment on P-channel CCD newly developed for an X-ray CCD camera onboard the Astro-H satellite. The device was exposed up to 10^9 protons cm^{-2} at 6.7 MeV. The charge transfer inefficiency (CTI) was measured as a function of radiation dose. In comparison with the CTI currently measured in the CCD camera onboard the Suzaku satellite for 6 years, we confirmed that the new type of P-channel CCD is radiation tolerant enough for space use. We also confirmed that a charge-injection technique and lowering the operating temperature efficiently work to reduce"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1306.5400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-06-23T13:09:44Z","cross_cats_sorted":[],"title_canon_sha256":"f44da26927916ab740fcf8e9ea9abc64103db7dcf786f3fe2e64adaeab2bc1d2","abstract_canon_sha256":"e98009fe218fd3d2df860b91aa68300ba1a1070f752c68d1c27222e278e95a33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:08.251785Z","signature_b64":"olrt88eKcyVgbtsCwFJSBMf4nEDmnXkKiJrjjFuUz8LWpc/sz+Cs5JQ+ddCEMXV1htKCyW+0fQUgcVspFScSCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08faf9313386bf87ea2fba30e20c5d1e432e5263c2f2c0333b2566e279ccd3d9","last_reissued_at":"2026-05-18T03:20:08.251017Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:08.251017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Proton Radiation Damage Experiment on P-Channel CCD for an X-ray CCD camera onboard the Astro-H satellite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Hiroaki Kan, Hiroshi Murakami, Hiroshi Nakajima, Hiroshi Tsunemi, Kenshi Sagara, Kiyoshi Hayashida, Koji Mori, Makoto Yamauchi, Masanobu Ozaki, Naohisa Anabuki, Ryo Nagino, Satoshi Ohura, Shoma Ikeda, Shutaro Ueda, Tadayasu Dotani, Takayoshi Kohmura, Yoshiaki Koura, Yukie Maeda, Yusuke Nishioka","submitted_at":"2013-06-23T13:09:44Z","abstract_excerpt":"We report on a proton radiation damage experiment on P-channel CCD newly developed for an X-ray CCD camera onboard the Astro-H satellite. The device was exposed up to 10^9 protons cm^{-2} at 6.7 MeV. The charge transfer inefficiency (CTI) was measured as a function of radiation dose. In comparison with the CTI currently measured in the CCD camera onboard the Suzaku satellite for 6 years, we confirmed that the new type of P-channel CCD is radiation tolerant enough for space use. We also confirmed that a charge-injection technique and lowering the operating temperature efficiently work to reduce"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5400","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1306.5400","created_at":"2026-05-18T03:20:08.251154+00:00"},{"alias_kind":"arxiv_version","alias_value":"1306.5400v1","created_at":"2026-05-18T03:20:08.251154+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5400","created_at":"2026-05-18T03:20:08.251154+00:00"},{"alias_kind":"pith_short_12","alias_value":"BD5PSMJTQ27Y","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"BD5PSMJTQ27YP2RP","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"BD5PSMJT","created_at":"2026-05-18T12:27:38.830355+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ","json":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ.json","graph_json":"https://pith.science/api/pith-number/BD5PSMJTQ27YP2RPXIYOEDC5DZ/graph.json","events_json":"https://pith.science/api/pith-number/BD5PSMJTQ27YP2RPXIYOEDC5DZ/events.json","paper":"https://pith.science/paper/BD5PSMJT"},"agent_actions":{"view_html":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ","download_json":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ.json","view_paper":"https://pith.science/paper/BD5PSMJT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1306.5400&json=true","fetch_graph":"https://pith.science/api/pith-number/BD5PSMJTQ27YP2RPXIYOEDC5DZ/graph.json","fetch_events":"https://pith.science/api/pith-number/BD5PSMJTQ27YP2RPXIYOEDC5DZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ/action/storage_attestation","attest_author":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ/action/author_attestation","sign_citation":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ/action/citation_signature","submit_replication":"https://pith.science/pith/BD5PSMJTQ27YP2RPXIYOEDC5DZ/action/replication_record"}},"created_at":"2026-05-18T03:20:08.251154+00:00","updated_at":"2026-05-18T03:20:08.251154+00:00"}