{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4RDRULB4VZDNGSKK3ZJOOXG774","short_pith_number":"pith:4RDRULB4","schema_version":"1.0","canonical_sha256":"e4471a2c3cae46d3494ade52e75cdfff1a7c7d0b35d2408338b01da7e6b771f8","source":{"kind":"arxiv","id":"1810.06703","version":1},"attestation_state":"computed","paper":{"title":"A Design for an Electromagnetic Filter for Precision Energy Measurements at the Tritium Endpoint","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A.Bosca, A.Ferella, A.G.Cocco, A.Giachero, A.Molinero-Vela, A.Nucciotti, A.P.Colijn, A.Polosa, A.Puiu, C.Chang, C.F.Strid, C.Gentile, C.G.Tully, C.Mancini-Terracciano, C.Mariani, C.Perez de los Heros, E.Ferri, E.Monticone, F.Calle, F.Gatti, F.Pandolfi, F.Zhao, G.Cavoto, G.Garcia Gomez-Tejedor, G.Mangano, J.Carabe-Lopez, J.Conrad, J.Gudmundsson, J.Martinez, J.Pedros, K.M.Zurek, K.Schaeffner, L.E.Marcucci, M.Biasotti, M.Faverzani, M.G.Betti, M.Lisanti, M.Messina, M.Rajteri, N.D'Ambrosio, N.Rossi, O.Pisanti, P.F.de Salas, P.Garcia-Abia, R.Santorelli, S.Gariazzo, S.Pastor, W.Chung, Y.Hochberg, Y.Kahn, Y.Raitses","submitted_at":"2018-10-15T21:23:07Z","abstract_excerpt":"We present a detailed description of the electromagnetic filter for the PTOLEMY project to directly detect the Cosmic Neutrino Background (CNB). Starting with an initial estimate for the orbital magnetic moment, the higher-order drift process of ExB is configured to balance the gradient-B drift motion of the electron in such a way as to guide the trajectory into the standing voltage potential along the mid-plane of the filter. As a function of drift distance along the length of the filter, the filter zooms in with exponentially increasing precision on the transverse velocity component of the e"},"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":"1810.06703","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-10-15T21:23:07Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"f0031e9ed30712bd6efcab0745fad7bf0d0e993d5c25d76f9d36109feca5a34c","abstract_canon_sha256":"7b6efb52ac1e3bbfc2444754830ad6c1343b7c0006bd69616061170c2041564e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:29.988348Z","signature_b64":"TD2ZA1zwYcLrzRKa5K8CoiaOGJnm91OmwJ6Yrp7NvtUCKcFmGlMfimTKeBD6x4E/yQ3DOdE43pZJfUyuWfrPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4471a2c3cae46d3494ade52e75cdfff1a7c7d0b35d2408338b01da7e6b771f8","last_reissued_at":"2026-05-17T23:47:29.987745Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:29.987745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Design for an Electromagnetic Filter for Precision Energy Measurements at the Tritium Endpoint","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A.Bosca, A.Ferella, A.G.Cocco, A.Giachero, A.Molinero-Vela, A.Nucciotti, A.P.Colijn, A.Polosa, A.Puiu, C.Chang, C.F.Strid, C.Gentile, C.G.Tully, C.Mancini-Terracciano, C.Mariani, C.Perez de los Heros, E.Ferri, E.Monticone, F.Calle, F.Gatti, F.Pandolfi, F.Zhao, G.Cavoto, G.Garcia Gomez-Tejedor, G.Mangano, J.Carabe-Lopez, J.Conrad, J.Gudmundsson, J.Martinez, J.Pedros, K.M.Zurek, K.Schaeffner, L.E.Marcucci, M.Biasotti, M.Faverzani, M.G.Betti, M.Lisanti, M.Messina, M.Rajteri, N.D'Ambrosio, N.Rossi, O.Pisanti, P.F.de Salas, P.Garcia-Abia, R.Santorelli, S.Gariazzo, S.Pastor, W.Chung, Y.Hochberg, Y.Kahn, Y.Raitses","submitted_at":"2018-10-15T21:23:07Z","abstract_excerpt":"We present a detailed description of the electromagnetic filter for the PTOLEMY project to directly detect the Cosmic Neutrino Background (CNB). Starting with an initial estimate for the orbital magnetic moment, the higher-order drift process of ExB is configured to balance the gradient-B drift motion of the electron in such a way as to guide the trajectory into the standing voltage potential along the mid-plane of the filter. As a function of drift distance along the length of the filter, the filter zooms in with exponentially increasing precision on the transverse velocity component of the e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06703","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":"1810.06703","created_at":"2026-05-17T23:47:29.987826+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.06703v1","created_at":"2026-05-17T23:47:29.987826+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06703","created_at":"2026-05-17T23:47:29.987826+00:00"},{"alias_kind":"pith_short_12","alias_value":"4RDRULB4VZDN","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4RDRULB4VZDNGSKK","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4RDRULB4","created_at":"2026-05-18T12:32:05.422762+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.13259","citing_title":"The $\\beta$-decay spectrum of Tritiated graphene: combining nuclear quantum mechanics with Density Functional Theory","ref_index":14,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774","json":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774.json","graph_json":"https://pith.science/api/pith-number/4RDRULB4VZDNGSKK3ZJOOXG774/graph.json","events_json":"https://pith.science/api/pith-number/4RDRULB4VZDNGSKK3ZJOOXG774/events.json","paper":"https://pith.science/paper/4RDRULB4"},"agent_actions":{"view_html":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774","download_json":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774.json","view_paper":"https://pith.science/paper/4RDRULB4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.06703&json=true","fetch_graph":"https://pith.science/api/pith-number/4RDRULB4VZDNGSKK3ZJOOXG774/graph.json","fetch_events":"https://pith.science/api/pith-number/4RDRULB4VZDNGSKK3ZJOOXG774/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774/action/storage_attestation","attest_author":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774/action/author_attestation","sign_citation":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774/action/citation_signature","submit_replication":"https://pith.science/pith/4RDRULB4VZDNGSKK3ZJOOXG774/action/replication_record"}},"created_at":"2026-05-17T23:47:29.987826+00:00","updated_at":"2026-05-17T23:47:29.987826+00:00"}