{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:CNPDBZODNS6CXMULDMWNHMZHNM","short_pith_number":"pith:CNPDBZOD","schema_version":"1.0","canonical_sha256":"135e30e5c36cbc2bb28b1b2cd3b3276b385bb25a79da5b90d2840e1ada31a051","source":{"kind":"arxiv","id":"2501.13537","version":1},"attestation_state":"computed","paper":{"title":"Precision determination of the excited-state hyperfine splitting of Cadmium ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Jianwei Zhang, Lijun Wang, Shengnan Miao, Wenxin Shi, Yanmei Yu, Ying Zheng, Yiting Chen","submitted_at":"2025-01-23T10:37:17Z","abstract_excerpt":"Precision determination of the hyperfine splitting of cadmium ions is essential to study space-time variation of fundamental physical constants and isotope shifts. In this work, we present the precision frequency measurement of the excited-state $^2{P}_{3/2}$ hyperfine splitting of $^{111,113}\\mathrm{Cd}^+$ ions using the laser-induced fluorescence technique. By introducing the technology of sympathetic cooling and setting up free-space beat detection unit based on the optical comb, the uncertainties are improved to 14.8 kHz and 10.0 kHz, respectively, two orders of magnitude higher than the 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":"2501.13537","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-01-23T10:37:17Z","cross_cats_sorted":[],"title_canon_sha256":"44b40b25ba0b7fba005e184ac53859ef5f2394c047d4c95b0685bd0cf013be25","abstract_canon_sha256":"ebb40147487838ab05970c7ca81d78109ac8eef9045035591d534ee105df00d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:04:30.078957Z","signature_b64":"ooza6RHPf2h/muZ3WtwN5Bd4Z5nmLmbhk7De6vYJrnsQ8L13SVi92Tn6LXz0sSuKI2W53NuBw1j9tlqfZcJSCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"135e30e5c36cbc2bb28b1b2cd3b3276b385bb25a79da5b90d2840e1ada31a051","last_reissued_at":"2026-07-05T10:04:30.078489Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:04:30.078489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Precision determination of the excited-state hyperfine splitting of Cadmium ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Jianwei Zhang, Lijun Wang, Shengnan Miao, Wenxin Shi, Yanmei Yu, Ying Zheng, Yiting Chen","submitted_at":"2025-01-23T10:37:17Z","abstract_excerpt":"Precision determination of the hyperfine splitting of cadmium ions is essential to study space-time variation of fundamental physical constants and isotope shifts. In this work, we present the precision frequency measurement of the excited-state $^2{P}_{3/2}$ hyperfine splitting of $^{111,113}\\mathrm{Cd}^+$ ions using the laser-induced fluorescence technique. By introducing the technology of sympathetic cooling and setting up free-space beat detection unit based on the optical comb, the uncertainties are improved to 14.8 kHz and 10.0 kHz, respectively, two orders of magnitude higher than the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.13537","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/2501.13537/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":"2501.13537","created_at":"2026-07-05T10:04:30.078548+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.13537v1","created_at":"2026-07-05T10:04:30.078548+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.13537","created_at":"2026-07-05T10:04:30.078548+00:00"},{"alias_kind":"pith_short_12","alias_value":"CNPDBZODNS6C","created_at":"2026-07-05T10:04:30.078548+00:00"},{"alias_kind":"pith_short_16","alias_value":"CNPDBZODNS6CXMUL","created_at":"2026-07-05T10:04:30.078548+00:00"},{"alias_kind":"pith_short_8","alias_value":"CNPDBZOD","created_at":"2026-07-05T10:04:30.078548+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/CNPDBZODNS6CXMULDMWNHMZHNM","json":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM.json","graph_json":"https://pith.science/api/pith-number/CNPDBZODNS6CXMULDMWNHMZHNM/graph.json","events_json":"https://pith.science/api/pith-number/CNPDBZODNS6CXMULDMWNHMZHNM/events.json","paper":"https://pith.science/paper/CNPDBZOD"},"agent_actions":{"view_html":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM","download_json":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM.json","view_paper":"https://pith.science/paper/CNPDBZOD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.13537&json=true","fetch_graph":"https://pith.science/api/pith-number/CNPDBZODNS6CXMULDMWNHMZHNM/graph.json","fetch_events":"https://pith.science/api/pith-number/CNPDBZODNS6CXMULDMWNHMZHNM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM/action/storage_attestation","attest_author":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM/action/author_attestation","sign_citation":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM/action/citation_signature","submit_replication":"https://pith.science/pith/CNPDBZODNS6CXMULDMWNHMZHNM/action/replication_record"}},"created_at":"2026-07-05T10:04:30.078548+00:00","updated_at":"2026-07-05T10:04:30.078548+00:00"}