{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:6WXNX2GT2TRYO6JELNXRUFF366","short_pith_number":"pith:6WXNX2GT","schema_version":"1.0","canonical_sha256":"f5aedbe8d3d4e38779245b6f1a14bbf781ab88efee1d71762415a3705e1d86b5","source":{"kind":"arxiv","id":"2607.03255","version":1},"attestation_state":"computed","paper":{"title":"Development of a High-Performance Permanent Magnet System for Ion Trapping Experiments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Bingsheng Tu, Jiawei Wang, Jifei Wu, Liangyu Huang, Tianhang Zhang, Wei Wu, Zichen Su","submitted_at":"2026-07-03T12:15:42Z","abstract_excerpt":"This work presents the design and fabrication of a compact permanent magnet based on an optimized stacked structure of fifteen NdFeB rings. The tunable NS-SN-NS configuration generates a central magnetic field of 0.8T with a reconstructed uniformity of 99.988% within a 1mm radius spherical volume. The remaining field inhomogeneity is dominated by radial dipole components. Requiring neither cryogenics nor external power, this design provides a high-performance and cost-effective alternative to superconducting magnets for applications in ion-trap development and Fourier-transform ion cyclotron r"},"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":"2607.03255","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-07-03T12:15:42Z","cross_cats_sorted":[],"title_canon_sha256":"a814b65b6423fc8b7ef5795eaa8540df9d73c06544524865dd92c90712f67b03","abstract_canon_sha256":"e97809854f91907dae3fd7d3b5d73cdba38e6e1fe11243a4c965f3f20e6c6e38"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-07T01:16:48.032629Z","signature_b64":"8iE2dx3sUBb2PKgsj2OsI+HpHecd3Wrntw3+v0/MboLlPq2NvYDljjCMZtyAztmW05UjATO/pFCp52iOtjvNAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5aedbe8d3d4e38779245b6f1a14bbf781ab88efee1d71762415a3705e1d86b5","last_reissued_at":"2026-07-07T01:16:48.032164Z","signature_status":"signed_v1","first_computed_at":"2026-07-07T01:16:48.032164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Development of a High-Performance Permanent Magnet System for Ion Trapping Experiments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Bingsheng Tu, Jiawei Wang, Jifei Wu, Liangyu Huang, Tianhang Zhang, Wei Wu, Zichen Su","submitted_at":"2026-07-03T12:15:42Z","abstract_excerpt":"This work presents the design and fabrication of a compact permanent magnet based on an optimized stacked structure of fifteen NdFeB rings. The tunable NS-SN-NS configuration generates a central magnetic field of 0.8T with a reconstructed uniformity of 99.988% within a 1mm radius spherical volume. The remaining field inhomogeneity is dominated by radial dipole components. Requiring neither cryogenics nor external power, this design provides a high-performance and cost-effective alternative to superconducting magnets for applications in ion-trap development and Fourier-transform ion cyclotron r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.03255","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.03255/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2607.03255","created_at":"2026-07-07T01:16:48.032226+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.03255v1","created_at":"2026-07-07T01:16:48.032226+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.03255","created_at":"2026-07-07T01:16:48.032226+00:00"},{"alias_kind":"pith_short_12","alias_value":"6WXNX2GT2TRY","created_at":"2026-07-07T01:16:48.032226+00:00"},{"alias_kind":"pith_short_16","alias_value":"6WXNX2GT2TRYO6JE","created_at":"2026-07-07T01:16:48.032226+00:00"},{"alias_kind":"pith_short_8","alias_value":"6WXNX2GT","created_at":"2026-07-07T01:16:48.032226+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/6WXNX2GT2TRYO6JELNXRUFF366","json":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366.json","graph_json":"https://pith.science/api/pith-number/6WXNX2GT2TRYO6JELNXRUFF366/graph.json","events_json":"https://pith.science/api/pith-number/6WXNX2GT2TRYO6JELNXRUFF366/events.json","paper":"https://pith.science/paper/6WXNX2GT"},"agent_actions":{"view_html":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366","download_json":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366.json","view_paper":"https://pith.science/paper/6WXNX2GT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.03255&json=true","fetch_graph":"https://pith.science/api/pith-number/6WXNX2GT2TRYO6JELNXRUFF366/graph.json","fetch_events":"https://pith.science/api/pith-number/6WXNX2GT2TRYO6JELNXRUFF366/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366/action/storage_attestation","attest_author":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366/action/author_attestation","sign_citation":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366/action/citation_signature","submit_replication":"https://pith.science/pith/6WXNX2GT2TRYO6JELNXRUFF366/action/replication_record"}},"created_at":"2026-07-07T01:16:48.032226+00:00","updated_at":"2026-07-07T01:16:48.032226+00:00"}