{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:XFL7TXMNS3TSXI45M5NLFFHSX2","short_pith_number":"pith:XFL7TXMN","schema_version":"1.0","canonical_sha256":"b957f9dd8d96e72ba39d675ab294f2bebfb8dc4be6c776281a056b9480fba77d","source":{"kind":"arxiv","id":"2203.12501","version":1},"attestation_state":"computed","paper":{"title":"Quantum Logic Enhanced Sensing in Solid-State Spin Ensembles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"quant-ph","authors_text":"Connor Hart, David Glenn, Dominik B. Bucher, Donhee Ham, Hongkun Park, Jner Tzern Oon, Kevin S. Olsson, Mikhail D. Lukin, Nithya Arunkumar, Ronald L. Walsworth","submitted_at":"2022-03-23T15:54:53Z","abstract_excerpt":"We demonstrate quantum logic enhanced sensitivity for a macroscopic ensemble of solid-state, hybrid two-qubit sensors. We achieve a factor of 30 improvement in signal-to-noise ratio, translating to a sensitivity enhancement exceeding an order of magnitude. Using the electronic spins of nitrogen vacancy (NV) centers in diamond as sensors, we leverage the on-site nitrogen nuclear spins of the NV centers as memory qubits, in combination with homogeneous bias and control fields, ensuring that all of the ${\\sim}10^9$ two-qubit sensors are sufficiently identical to permit global control of the NV en"},"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":"2203.12501","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-03-23T15:54:53Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"529be19b726d0c56135c34720a72b623d586acfd468fe53a06726c77a0735860","abstract_canon_sha256":"d05e6abcb5c681e1ef14969eba41670ba6c23758f9f25f5c01ec7d7e3e69f2f1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:08:00.093508Z","signature_b64":"DYfu4MH26iJrtxuwrNhaw6hvI1hZI/FrHRH9eM3HfFhtZVDu/JgwMnMl/KxYiD9itiPzMks6ejqEKcKmKNpZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b957f9dd8d96e72ba39d675ab294f2bebfb8dc4be6c776281a056b9480fba77d","last_reissued_at":"2026-07-05T04:08:00.093164Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:08:00.093164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum Logic Enhanced Sensing in Solid-State Spin Ensembles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"quant-ph","authors_text":"Connor Hart, David Glenn, Dominik B. Bucher, Donhee Ham, Hongkun Park, Jner Tzern Oon, Kevin S. Olsson, Mikhail D. Lukin, Nithya Arunkumar, Ronald L. Walsworth","submitted_at":"2022-03-23T15:54:53Z","abstract_excerpt":"We demonstrate quantum logic enhanced sensitivity for a macroscopic ensemble of solid-state, hybrid two-qubit sensors. We achieve a factor of 30 improvement in signal-to-noise ratio, translating to a sensitivity enhancement exceeding an order of magnitude. Using the electronic spins of nitrogen vacancy (NV) centers in diamond as sensors, we leverage the on-site nitrogen nuclear spins of the NV centers as memory qubits, in combination with homogeneous bias and control fields, ensuring that all of the ${\\sim}10^9$ two-qubit sensors are sufficiently identical to permit global control of the NV en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12501","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/2203.12501/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":"2203.12501","created_at":"2026-07-05T04:08:00.093217+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.12501v1","created_at":"2026-07-05T04:08:00.093217+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12501","created_at":"2026-07-05T04:08:00.093217+00:00"},{"alias_kind":"pith_short_12","alias_value":"XFL7TXMNS3TS","created_at":"2026-07-05T04:08:00.093217+00:00"},{"alias_kind":"pith_short_16","alias_value":"XFL7TXMNS3TSXI45","created_at":"2026-07-05T04:08:00.093217+00:00"},{"alias_kind":"pith_short_8","alias_value":"XFL7TXMN","created_at":"2026-07-05T04:08:00.093217+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/XFL7TXMNS3TSXI45M5NLFFHSX2","json":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2.json","graph_json":"https://pith.science/api/pith-number/XFL7TXMNS3TSXI45M5NLFFHSX2/graph.json","events_json":"https://pith.science/api/pith-number/XFL7TXMNS3TSXI45M5NLFFHSX2/events.json","paper":"https://pith.science/paper/XFL7TXMN"},"agent_actions":{"view_html":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2","download_json":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2.json","view_paper":"https://pith.science/paper/XFL7TXMN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.12501&json=true","fetch_graph":"https://pith.science/api/pith-number/XFL7TXMNS3TSXI45M5NLFFHSX2/graph.json","fetch_events":"https://pith.science/api/pith-number/XFL7TXMNS3TSXI45M5NLFFHSX2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2/action/storage_attestation","attest_author":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2/action/author_attestation","sign_citation":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2/action/citation_signature","submit_replication":"https://pith.science/pith/XFL7TXMNS3TSXI45M5NLFFHSX2/action/replication_record"}},"created_at":"2026-07-05T04:08:00.093217+00:00","updated_at":"2026-07-05T04:08:00.093217+00:00"}