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Sona, A new method proposed to increase polar- ization in polarized ion sources of H- and D-, Energia Nucleare14, 295–299, (1967)","work_id":"1a6cab84-6e5d-4d24-a1ec-c74f1dad882f","year":1967}],"snapshot_sha256":"125b6cb8d46ed9d9ddf56720381ea5b8ed479e21d25015a344074be57c90d74d"},"source":{"id":"2605.16663","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-19T20:59:44.797821Z","id":"659e4493-84e9-4969-bd1a-628a4672f1b4","model_set":{"reader":"grok-4.3"},"one_line_summary":"Estimates indicate that kW-scale Raman pumping at 895 nm can produce 80% polarized Cs vapor for charge-transfer generation of intense nuclear spin-polarized H isotope negative ion beams suitable for fusion applications.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Multi-ampere spin-polarized hydrogen isotope beams can be produced by charge transfer in Raman-pumped cesium vapor.","strongest_claim":"It should be possible to generate multi-ampere spin-polarized beams of hydrogen isotopes by repeated charge-transfer collisions in highly spin-polarized Cs vapor.","weakest_assumption":"Off-resonant Raman pumping with kW scale narrowband tunable light at 895 nm should be able to produce a 1 m long, 10 cm diameter volume of 80% polarized Cs vapor."}},"verdict_id":"659e4493-84e9-4969-bd1a-628a4672f1b4"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:efed4a87d186dbf164150426095479cd9d467eab7a774c96e3900c70ea78dd4d","target":"record","created_at":"2026-05-20T00:02:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1c571e53f8005dbb28e7cd4e0090820882014aba66406ca5e122d65a31f35952","cross_cats_sorted":["nucl-ex","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-05-15T22:01:28Z","title_canon_sha256":"6c4d8f81426e4535eefb4d29a11bdf9374b0b4e3775572831d68d3ace978205b"},"schema_version":"1.0","source":{"id":"2605.16663","kind":"arxiv","version":1}},"canonical_sha256":"fabf56815010476e8f1ee498335186621097f88b3cee31206a5b994e4baeae13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fabf56815010476e8f1ee498335186621097f88b3cee31206a5b994e4baeae13","first_computed_at":"2026-05-20T00:02:35.058965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:02:35.058965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hO3u/5vTNp+ocuyue3kNxbqqdcmNPAK/blzNsCkPDTnc8ht/UV+okGbv1Op/XLh0jEJx6AK04KaWmvekM4AZDQ==","signature_status":"signed_v1","signed_at":"2026-05-20T00:02:35.059825Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.16663","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebf67b60d0a53c977f5ee18ec032c482347300c9e81dccfc784ac1bbfda2e637","sha256:efed4a87d186dbf164150426095479cd9d467eab7a774c96e3900c70ea78dd4d","sha256:fbf5c15c55dfe3a1599a4f0fdc494d8731dc93ed5672ebada21b77e3723971d3"],"state_sha256":"5d120944f2bc7764e6e31978002d5319c82bb243d672b28105b084eae554d3e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgZ7ul4jqnMt49VoI2G3llmCI+cmVwRfcNBTv2/xzqrMR9O92dkCoOe72XK0FxmSI0f9WDd2LoyD6k5PwPtICA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:15:58.210166Z","bundle_sha256":"ab15d36b769939844c74ba8990ede0d88083818bcd27a533c883bd9014dd9d81"}}