{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:BPKWISPOZNG26TMOBKW77TOP2N","short_pith_number":"pith:BPKWISPO","schema_version":"1.0","canonical_sha256":"0bd56449eecb4daf4d8e0aadffcdcfd34c0739caaa57af728fe2bf36ff0f0ab5","source":{"kind":"arxiv","id":"2108.10149","version":1},"attestation_state":"computed","paper":{"title":"Tomographic Imaging by a Si/CdTe Compton Camera for In-111 and I-131 Radionuclides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM","physics.med-ph"],"primary_cat":"physics.ins-det","authors_text":"Fumiki Moriyama, Goro Yabu, Hiroki Yoneda, Pietro Caradonna, Shin'ichiro Takeda, Shin Watanabe, Tadashi Orita, Tadayuki Takahashi","submitted_at":"2021-08-19T08:32:34Z","abstract_excerpt":"Tomographic imaging with radionuclides commonly used in nuclear medicine, such as $^{111}$In (171 and 245 keV) and $^{131}$I (364 keV), is in high demand for medical applications and small animal imaging. The Si/CdTe Compton camera with its high angular and high energy resolutions is an especially promising detector to extend the energy coverage for imaging to the range that covers gamma-ray emitted from these radionuclides. Here, we take the first steps towards short-distance imaging by conducting experiments using three-dimensional phantoms composed of multiple sphere-like solutions of $^{11"},"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":"2108.10149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2021-08-19T08:32:34Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","physics.med-ph"],"title_canon_sha256":"f5531942ea37076a71e87dfce823898b8e4ef79933d0e93568de1286be9ab548","abstract_canon_sha256":"434a42a2b7bf317a39b3147777a83c5957eed0eb63fd6cc905bb32fcfb63b94d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:08:02.832079Z","signature_b64":"EGpQgO41xIPONbCzXiB4Im56T401fcwaZoGpxyFEZmqksEVK6RqX/U4GSvRKvnl3TbcsBHeyj9xT30Mr29i9DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bd56449eecb4daf4d8e0aadffcdcfd34c0739caaa57af728fe2bf36ff0f0ab5","last_reissued_at":"2026-07-05T03:08:02.831679Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:08:02.831679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tomographic Imaging by a Si/CdTe Compton Camera for In-111 and I-131 Radionuclides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM","physics.med-ph"],"primary_cat":"physics.ins-det","authors_text":"Fumiki Moriyama, Goro Yabu, Hiroki Yoneda, Pietro Caradonna, Shin'ichiro Takeda, Shin Watanabe, Tadashi Orita, Tadayuki Takahashi","submitted_at":"2021-08-19T08:32:34Z","abstract_excerpt":"Tomographic imaging with radionuclides commonly used in nuclear medicine, such as $^{111}$In (171 and 245 keV) and $^{131}$I (364 keV), is in high demand for medical applications and small animal imaging. The Si/CdTe Compton camera with its high angular and high energy resolutions is an especially promising detector to extend the energy coverage for imaging to the range that covers gamma-ray emitted from these radionuclides. Here, we take the first steps towards short-distance imaging by conducting experiments using three-dimensional phantoms composed of multiple sphere-like solutions of $^{11"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10149","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/2108.10149/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2108.10149","created_at":"2026-07-05T03:08:02.831736+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.10149v1","created_at":"2026-07-05T03:08:02.831736+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10149","created_at":"2026-07-05T03:08:02.831736+00:00"},{"alias_kind":"pith_short_12","alias_value":"BPKWISPOZNG2","created_at":"2026-07-05T03:08:02.831736+00:00"},{"alias_kind":"pith_short_16","alias_value":"BPKWISPOZNG26TMO","created_at":"2026-07-05T03:08:02.831736+00:00"},{"alias_kind":"pith_short_8","alias_value":"BPKWISPO","created_at":"2026-07-05T03:08:02.831736+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/BPKWISPOZNG26TMOBKW77TOP2N","json":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N.json","graph_json":"https://pith.science/api/pith-number/BPKWISPOZNG26TMOBKW77TOP2N/graph.json","events_json":"https://pith.science/api/pith-number/BPKWISPOZNG26TMOBKW77TOP2N/events.json","paper":"https://pith.science/paper/BPKWISPO"},"agent_actions":{"view_html":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N","download_json":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N.json","view_paper":"https://pith.science/paper/BPKWISPO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.10149&json=true","fetch_graph":"https://pith.science/api/pith-number/BPKWISPOZNG26TMOBKW77TOP2N/graph.json","fetch_events":"https://pith.science/api/pith-number/BPKWISPOZNG26TMOBKW77TOP2N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N/action/storage_attestation","attest_author":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N/action/author_attestation","sign_citation":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N/action/citation_signature","submit_replication":"https://pith.science/pith/BPKWISPOZNG26TMOBKW77TOP2N/action/replication_record"}},"created_at":"2026-07-05T03:08:02.831736+00:00","updated_at":"2026-07-05T03:08:02.831736+00:00"}