{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ZQN6J6FYPLY5KXD3CUXHPSYFCK","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b101a2a10e40c79cc5c222a25df9a0c5d0eaf37d1f78050216f78368c31463b0","cross_cats_sorted":["nucl-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2021-05-21T13:44:01Z","title_canon_sha256":"6aefc781cbe04901096c48fa0ace9ddd56f96fd79bcdf704ceca6a4086ae3643"},"schema_version":"1.0","source":{"id":"2105.10352","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.10352","created_at":"2026-07-05T05:58:49Z"},{"alias_kind":"arxiv_version","alias_value":"2105.10352v2","created_at":"2026-07-05T05:58:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.10352","created_at":"2026-07-05T05:58:49Z"},{"alias_kind":"pith_short_12","alias_value":"ZQN6J6FYPLY5","created_at":"2026-07-05T05:58:49Z"},{"alias_kind":"pith_short_16","alias_value":"ZQN6J6FYPLY5KXD3","created_at":"2026-07-05T05:58:49Z"},{"alias_kind":"pith_short_8","alias_value":"ZQN6J6FY","created_at":"2026-07-05T05:58:49Z"}],"graph_snapshots":[{"event_id":"sha256:18ae3bf8cb434e4b3aa00aa3724e9ba685e34f67714d86e24b17bb236f55c5d3","target":"graph","created_at":"2026-07-05T05:58:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2105.10352/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report precision measurements of the nuclear magnetic moment of \\textsuperscript{43}Ca\\textsuperscript{+}, made by microwave spectroscopy of the 4s $^2$S$_{1/2}$ $\\left|F=4, M=0\\right\\rangle \\rightarrow \\left|F=3, M=1\\right\\rangle$ ground level hyperfine clock transition at a magnetic field of $\\approx$ 146 G, using a single laser-cooled ion in a Paul trap. We measure a clock transition frequency of $f = 3199941076.920 \\pm 0.046$ Hz, from which we determine $\\mu_I / \\mu_{\\rm{N}} = -1.315350(9)(1)$, where the uncertainty (9) arises from uncertainty in the hyperfine $A$ constant, and the (1) ","authors_text":"D. M. Lucas, D. T. C. Allcock, M. A. Sepiol, R. K. Hanley, T. P. Harty","cross_cats":["nucl-ex","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2021-05-21T13:44:01Z","title":"Precision measurement of the $^{43}$Ca$^{+}$ nuclear magnetic moment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.10352","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:bd612611dc2e8065b570ece691d0ffd2928213a7a45db75b5ef4196a663b2e32","target":"record","created_at":"2026-07-05T05:58:49Z","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":"b101a2a10e40c79cc5c222a25df9a0c5d0eaf37d1f78050216f78368c31463b0","cross_cats_sorted":["nucl-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2021-05-21T13:44:01Z","title_canon_sha256":"6aefc781cbe04901096c48fa0ace9ddd56f96fd79bcdf704ceca6a4086ae3643"},"schema_version":"1.0","source":{"id":"2105.10352","kind":"arxiv","version":2}},"canonical_sha256":"cc1be4f8b87af1d55c7b152e77cb0512956bf9b52716a42c1fee744823d74099","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc1be4f8b87af1d55c7b152e77cb0512956bf9b52716a42c1fee744823d74099","first_computed_at":"2026-07-05T05:58:49.746872Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:58:49.746872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zCR+GyCRc1MZdAyreuvBQrr4StWfPQE6tQMBvr9N3Pzc34erRy8V2AaeibFUyrW2XcRVtdI2jN0mBYm6Fa6hAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:58:49.747339Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.10352","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd612611dc2e8065b570ece691d0ffd2928213a7a45db75b5ef4196a663b2e32","sha256:18ae3bf8cb434e4b3aa00aa3724e9ba685e34f67714d86e24b17bb236f55c5d3"],"state_sha256":"cef71340ce58a3a6db40fc5a3b5358a419889974929bb5db61f346c67e22ac90"}