{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:E43QMRSHK7ZDWBO4TDBGU2FDDS","short_pith_number":"pith:E43QMRSH","schema_version":"1.0","canonical_sha256":"273706464757f23b05dc98c26a68a31c9265c9529045ac8e87acdb3bba252e5f","source":{"kind":"arxiv","id":"1106.2391","version":1},"attestation_state":"computed","paper":{"title":"Monte Carlo study of a 3D Compton imaging device with GEANT4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.med-ph","authors_text":"M. Lenti, M. Veltri","submitted_at":"2011-06-13T07:24:27Z","abstract_excerpt":"In this paper we investigate, with a detailed Monte-Carlo simulation based on Geant4, the novel approach [Nucl. Instrum. Methods A588 (2008) 457] to 3D imaging with photon scattering. A monochromatic and well collimated gamma beam is used to illuminate the object to be imaged and the photons Compton scattered are detected by means of a surrounding germanium strip detector. The impact position and the energy of the photons are measured with high precision and the scattering position along the beam axis is calculated. We study as an application of this technique the case of brain imaging but the"},"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":"1106.2391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2011-06-13T07:24:27Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"aa7b021e32d1113fd034aa3a6051c3e3a0b21b432631d9299868aef477e83d60","abstract_canon_sha256":"f848e86a5e797de96ba642f5bbb6a52650aa074f71bb5dfdfc698dffea6e0f6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:12:33.554586Z","signature_b64":"hSG00MIW4bzBcNn6kRdy/n1/as9m4DMdH/S5G4vFIu6cLbEQNuWyNclLBbJP/XYrjHaXHe5tHbORRwMVGY5ECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"273706464757f23b05dc98c26a68a31c9265c9529045ac8e87acdb3bba252e5f","last_reissued_at":"2026-05-18T04:12:33.553929Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:12:33.553929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Monte Carlo study of a 3D Compton imaging device with GEANT4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.med-ph","authors_text":"M. Lenti, M. Veltri","submitted_at":"2011-06-13T07:24:27Z","abstract_excerpt":"In this paper we investigate, with a detailed Monte-Carlo simulation based on Geant4, the novel approach [Nucl. Instrum. Methods A588 (2008) 457] to 3D imaging with photon scattering. A monochromatic and well collimated gamma beam is used to illuminate the object to be imaged and the photons Compton scattered are detected by means of a surrounding germanium strip detector. The impact position and the energy of the photons are measured with high precision and the scattering position along the beam axis is calculated. We study as an application of this technique the case of brain imaging but the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2391","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":"1106.2391","created_at":"2026-05-18T04:12:33.554026+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.2391v1","created_at":"2026-05-18T04:12:33.554026+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2391","created_at":"2026-05-18T04:12:33.554026+00:00"},{"alias_kind":"pith_short_12","alias_value":"E43QMRSHK7ZD","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_16","alias_value":"E43QMRSHK7ZDWBO4","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_8","alias_value":"E43QMRSH","created_at":"2026-05-18T12:26:26.731475+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/E43QMRSHK7ZDWBO4TDBGU2FDDS","json":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS.json","graph_json":"https://pith.science/api/pith-number/E43QMRSHK7ZDWBO4TDBGU2FDDS/graph.json","events_json":"https://pith.science/api/pith-number/E43QMRSHK7ZDWBO4TDBGU2FDDS/events.json","paper":"https://pith.science/paper/E43QMRSH"},"agent_actions":{"view_html":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS","download_json":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS.json","view_paper":"https://pith.science/paper/E43QMRSH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.2391&json=true","fetch_graph":"https://pith.science/api/pith-number/E43QMRSHK7ZDWBO4TDBGU2FDDS/graph.json","fetch_events":"https://pith.science/api/pith-number/E43QMRSHK7ZDWBO4TDBGU2FDDS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS/action/storage_attestation","attest_author":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS/action/author_attestation","sign_citation":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS/action/citation_signature","submit_replication":"https://pith.science/pith/E43QMRSHK7ZDWBO4TDBGU2FDDS/action/replication_record"}},"created_at":"2026-05-18T04:12:33.554026+00:00","updated_at":"2026-05-18T04:12:33.554026+00:00"}