{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:4WYAXD7NN4XYEKWHANNLXW4XNI","short_pith_number":"pith:4WYAXD7N","schema_version":"1.0","canonical_sha256":"e5b00b8fed6f2f822ac7035abbdb976a3821e20bd16f5e615fdcfed7fc365241","source":{"kind":"arxiv","id":"1701.00300","version":1},"attestation_state":"computed","paper":{"title":"Beam-induced Back-streaming Electron Suppression Analysis for Accelerator Type Neutron Generators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Cory Waltz, Ka-Ngo Leung, Karl van Bibber, Lee Bernstein, Leo Kirsch, Mauricio Ayllon, Paul Renne, Tim Becker","submitted_at":"2017-01-02T00:13:45Z","abstract_excerpt":"A facility based on a next-generation, high-flux D-D neutron generator has been commissioned and it is now operational at the University of California, Berkeley. The current generator design produces near monoenergetic 2.45 MeV neutrons at outputs of 10^8 n/s. Calculations provided show that future conditioning at higher currents and voltages will allow for a production rate over 10^10 n/s. A significant problem encountered was beam-induced electron backstreaming, that needed to be resolved to achieve meaningful beam currents. Two methods of suppressing secondary electrons resulting from the d"},"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":"1701.00300","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-01-02T00:13:45Z","cross_cats_sorted":[],"title_canon_sha256":"726c16e0c324604302be9199703f3f6e6665862375fbb789497ff5992b215908","abstract_canon_sha256":"6f7e7cc37baecd46d1cdae106b696c74d13b7ba7fdc3f5ae5ce45f5cc7864e8e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:35.908359Z","signature_b64":"Ulz66iahNAMTjXxiZPLR2gOJ8dtrtAAIfAidr3e7nxFDktseHUuzIX/K73kKbfwYeJcwRYPKRnbF96j7LCbNDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5b00b8fed6f2f822ac7035abbdb976a3821e20bd16f5e615fdcfed7fc365241","last_reissued_at":"2026-05-18T00:53:35.907887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:35.907887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beam-induced Back-streaming Electron Suppression Analysis for Accelerator Type Neutron Generators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Cory Waltz, Ka-Ngo Leung, Karl van Bibber, Lee Bernstein, Leo Kirsch, Mauricio Ayllon, Paul Renne, Tim Becker","submitted_at":"2017-01-02T00:13:45Z","abstract_excerpt":"A facility based on a next-generation, high-flux D-D neutron generator has been commissioned and it is now operational at the University of California, Berkeley. The current generator design produces near monoenergetic 2.45 MeV neutrons at outputs of 10^8 n/s. Calculations provided show that future conditioning at higher currents and voltages will allow for a production rate over 10^10 n/s. A significant problem encountered was beam-induced electron backstreaming, that needed to be resolved to achieve meaningful beam currents. Two methods of suppressing secondary electrons resulting from the d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00300","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":"1701.00300","created_at":"2026-05-18T00:53:35.907965+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.00300v1","created_at":"2026-05-18T00:53:35.907965+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00300","created_at":"2026-05-18T00:53:35.907965+00:00"},{"alias_kind":"pith_short_12","alias_value":"4WYAXD7NN4XY","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_16","alias_value":"4WYAXD7NN4XYEKWH","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_8","alias_value":"4WYAXD7N","created_at":"2026-05-18T12:31:00.734936+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/4WYAXD7NN4XYEKWHANNLXW4XNI","json":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI.json","graph_json":"https://pith.science/api/pith-number/4WYAXD7NN4XYEKWHANNLXW4XNI/graph.json","events_json":"https://pith.science/api/pith-number/4WYAXD7NN4XYEKWHANNLXW4XNI/events.json","paper":"https://pith.science/paper/4WYAXD7N"},"agent_actions":{"view_html":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI","download_json":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI.json","view_paper":"https://pith.science/paper/4WYAXD7N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.00300&json=true","fetch_graph":"https://pith.science/api/pith-number/4WYAXD7NN4XYEKWHANNLXW4XNI/graph.json","fetch_events":"https://pith.science/api/pith-number/4WYAXD7NN4XYEKWHANNLXW4XNI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI/action/storage_attestation","attest_author":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI/action/author_attestation","sign_citation":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI/action/citation_signature","submit_replication":"https://pith.science/pith/4WYAXD7NN4XYEKWHANNLXW4XNI/action/replication_record"}},"created_at":"2026-05-18T00:53:35.907965+00:00","updated_at":"2026-05-18T00:53:35.907965+00:00"}