{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:AVE4ROJUP3LEA23CZMS5EZU3KI","short_pith_number":"pith:AVE4ROJU","schema_version":"1.0","canonical_sha256":"0549c8b9347ed6406b62cb25d2669b523630bdc30d61bfc556367c2a8395b647","source":{"kind":"arxiv","id":"1812.03807","version":2},"attestation_state":"computed","paper":{"title":"Fissile material detection using neutron time-correlations from photofission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex","physics.app-ph"],"primary_cat":"physics.ins-det","authors_text":"A. Danagoulian, A. Glenn, E. P. Hartouni, M. S. Johnson, R. A. Soltz, R. J. Ledoux, S. A. Sheets, S. E. Korbly","submitted_at":"2018-11-12T16:37:34Z","abstract_excerpt":"The detection of special nuclear materials (SNM) in commercial cargoes is a major objective in the field of nuclear security. In this work we investigate the use of two-neutron time-correlations from photo-fission using the Prompt Neutrons from Photofission (PNPF) detectors in Passport Systems Inc.'s (PSI) Shielded Nuclear Alarm Resolution (SNAR) platform~\\cite{pnpf} for the purpose of detecting $\\sim$5~kg quantities of fissionable materials in seconds. The goal of this effort was to extend the secondary scan mode of this system to differentiate fissile materials, such as highly enriched urani"},"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":"1812.03807","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-11-12T16:37:34Z","cross_cats_sorted":["nucl-ex","physics.app-ph"],"title_canon_sha256":"6f5c8011317329a3a91a0038b4cfdc2e1583a3407125b47280e5390c804d9b97","abstract_canon_sha256":"1da729feca2deab25175ae9f1649c84cf4db5be65687836320857578cd9d3f3b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:58.630683Z","signature_b64":"6BuWnmSIWRFEFA9rfJqPpmG6aIYh6jdbFWTPEvCE9SPF8YzpiEo8uXpt1gC4L2vnfPwzg42RGXRy8diCL4bKCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0549c8b9347ed6406b62cb25d2669b523630bdc30d61bfc556367c2a8395b647","last_reissued_at":"2026-05-17T23:54:58.630084Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:58.630084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fissile material detection using neutron time-correlations from photofission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex","physics.app-ph"],"primary_cat":"physics.ins-det","authors_text":"A. Danagoulian, A. Glenn, E. P. Hartouni, M. S. Johnson, R. A. Soltz, R. J. Ledoux, S. A. Sheets, S. E. Korbly","submitted_at":"2018-11-12T16:37:34Z","abstract_excerpt":"The detection of special nuclear materials (SNM) in commercial cargoes is a major objective in the field of nuclear security. In this work we investigate the use of two-neutron time-correlations from photo-fission using the Prompt Neutrons from Photofission (PNPF) detectors in Passport Systems Inc.'s (PSI) Shielded Nuclear Alarm Resolution (SNAR) platform~\\cite{pnpf} for the purpose of detecting $\\sim$5~kg quantities of fissionable materials in seconds. The goal of this effort was to extend the secondary scan mode of this system to differentiate fissile materials, such as highly enriched urani"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03807","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":"1812.03807","created_at":"2026-05-17T23:54:58.630164+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.03807v2","created_at":"2026-05-17T23:54:58.630164+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.03807","created_at":"2026-05-17T23:54:58.630164+00:00"},{"alias_kind":"pith_short_12","alias_value":"AVE4ROJUP3LE","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"AVE4ROJUP3LEA23C","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"AVE4ROJU","created_at":"2026-05-18T12:32:13.499390+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/AVE4ROJUP3LEA23CZMS5EZU3KI","json":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI.json","graph_json":"https://pith.science/api/pith-number/AVE4ROJUP3LEA23CZMS5EZU3KI/graph.json","events_json":"https://pith.science/api/pith-number/AVE4ROJUP3LEA23CZMS5EZU3KI/events.json","paper":"https://pith.science/paper/AVE4ROJU"},"agent_actions":{"view_html":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI","download_json":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI.json","view_paper":"https://pith.science/paper/AVE4ROJU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.03807&json=true","fetch_graph":"https://pith.science/api/pith-number/AVE4ROJUP3LEA23CZMS5EZU3KI/graph.json","fetch_events":"https://pith.science/api/pith-number/AVE4ROJUP3LEA23CZMS5EZU3KI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI/action/storage_attestation","attest_author":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI/action/author_attestation","sign_citation":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI/action/citation_signature","submit_replication":"https://pith.science/pith/AVE4ROJUP3LEA23CZMS5EZU3KI/action/replication_record"}},"created_at":"2026-05-17T23:54:58.630164+00:00","updated_at":"2026-05-17T23:54:58.630164+00:00"}