{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:HQXNS3TXGL5X4ZZLRHJOZX2XDB","short_pith_number":"pith:HQXNS3TX","schema_version":"1.0","canonical_sha256":"3c2ed96e7732fb7e672b89d2ecdf5718758e0e143662f2d0d4e3f029a5f2d5cd","source":{"kind":"arxiv","id":"1205.2281","version":2},"attestation_state":"computed","paper":{"title":"Beamed Core Antimatter Propulsion: Engine Design and Optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.pop-ph"],"primary_cat":"physics.gen-ph","authors_text":"Ronan Keane, Wei-Ming Zhang","submitted_at":"2012-01-26T01:20:02Z","abstract_excerpt":"A conceptual design for beamed core antimatter propulsion is reported, where electrically charged annihilation products directly generate thrust after being deflected and collimated by a magnetic nozzle. Simulations were carried out using the Geant4 (Geometry and tracking) software toolkit released by the CERN accelerator laboratory for Monte Carlo simulation of the interaction of particles with matter and fields. Geant permits a more sophisticated and comprehensive design and optimization of antimatter engines than the software environment for simulations reported by prior researchers. The ma"},"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":"1205.2281","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-01-26T01:20:02Z","cross_cats_sorted":["physics.pop-ph"],"title_canon_sha256":"34822b153cf873d4339cd7bdfd0ebfe2edc24d4682636600e5d7e3b7db84c791","abstract_canon_sha256":"ec968b65f7b48e25d58e19ea2780af55deffbfa56a0ffafe8b36c3b65d4c4d70"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:35.082817Z","signature_b64":"tHI16O8VgCdz9M0tYtryQ44kKFxjb5WikkUzD88HDs9Y6SnAk9doC5Q1aixygE+ebigHGC2ZHAYkUh4EMOlnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c2ed96e7732fb7e672b89d2ecdf5718758e0e143662f2d0d4e3f029a5f2d5cd","last_reissued_at":"2026-05-18T03:55:35.082125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:35.082125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beamed Core Antimatter Propulsion: Engine Design and Optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.pop-ph"],"primary_cat":"physics.gen-ph","authors_text":"Ronan Keane, Wei-Ming Zhang","submitted_at":"2012-01-26T01:20:02Z","abstract_excerpt":"A conceptual design for beamed core antimatter propulsion is reported, where electrically charged annihilation products directly generate thrust after being deflected and collimated by a magnetic nozzle. Simulations were carried out using the Geant4 (Geometry and tracking) software toolkit released by the CERN accelerator laboratory for Monte Carlo simulation of the interaction of particles with matter and fields. Geant permits a more sophisticated and comprehensive design and optimization of antimatter engines than the software environment for simulations reported by prior researchers. The ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.2281","kind":"arxiv","version":2},"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":"1205.2281","created_at":"2026-05-18T03:55:35.082236+00:00"},{"alias_kind":"arxiv_version","alias_value":"1205.2281v2","created_at":"2026-05-18T03:55:35.082236+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.2281","created_at":"2026-05-18T03:55:35.082236+00:00"},{"alias_kind":"pith_short_12","alias_value":"HQXNS3TXGL5X","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"HQXNS3TXGL5X4ZZL","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"HQXNS3TX","created_at":"2026-05-18T12:27:09.501522+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/HQXNS3TXGL5X4ZZLRHJOZX2XDB","json":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB.json","graph_json":"https://pith.science/api/pith-number/HQXNS3TXGL5X4ZZLRHJOZX2XDB/graph.json","events_json":"https://pith.science/api/pith-number/HQXNS3TXGL5X4ZZLRHJOZX2XDB/events.json","paper":"https://pith.science/paper/HQXNS3TX"},"agent_actions":{"view_html":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB","download_json":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB.json","view_paper":"https://pith.science/paper/HQXNS3TX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1205.2281&json=true","fetch_graph":"https://pith.science/api/pith-number/HQXNS3TXGL5X4ZZLRHJOZX2XDB/graph.json","fetch_events":"https://pith.science/api/pith-number/HQXNS3TXGL5X4ZZLRHJOZX2XDB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB/action/storage_attestation","attest_author":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB/action/author_attestation","sign_citation":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB/action/citation_signature","submit_replication":"https://pith.science/pith/HQXNS3TXGL5X4ZZLRHJOZX2XDB/action/replication_record"}},"created_at":"2026-05-18T03:55:35.082236+00:00","updated_at":"2026-05-18T03:55:35.082236+00:00"}