{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:RUV4LHS5HUJCJTE7AN6TEE6OW3","short_pith_number":"pith:RUV4LHS5","schema_version":"1.0","canonical_sha256":"8d2bc59e5d3d1224cc9f037d3213ceb6dacacb4526f0e54917ac00e518b49454","source":{"kind":"arxiv","id":"2305.18923","version":1},"attestation_state":"computed","paper":{"title":"A diamond nanophotonic interface with an optically accessible deterministic electronuclear spin register","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Alexander M. Stramma, Carola M. Purser, Cathryn P. Michaels, Dirk Englund, Isaac B. Harris, Jes\\'us Arjona Mart\\'inez, Kevin C. Chen, Martin Hayhurst Appel, Matthew E. Trusheim, Mete Atat\\\"ure, Ryan A. Parker, William G. Roth","submitted_at":"2023-05-30T10:30:07Z","abstract_excerpt":"A contemporary challenge for the scalability of quantum networks is developing quantum nodes with simultaneous high photonic efficiency and long-lived qubits. Here, we present a fibre-packaged nanophotonic diamond waveguide hosting a tin-vacancy centre with a spin-1/2 $^{117}$Sn nucleus. The interaction between the electronic and nuclear spins results in a signature 452(7) MHz hyperfine splitting. This exceeds the natural optical linewidth by a factor of 16, enabling direct optical nuclear-spin initialisation with 98.6(3)% fidelity and single-shot readout with 80(1)% fidelity. The waveguide-to"},"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":"2305.18923","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-05-30T10:30:07Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f11ee3f29f02be5318a66514f4b2a1dd0c9bd9a0d2e52d9956ad8dea8f919efe","abstract_canon_sha256":"3ae4d2fc4c51eefa4a9bd669f837ee816df2985aec8da89233a15e19ab0608fa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:15:34.868594Z","signature_b64":"ZF16DAQfZFM1meWUhsfUjcN7VQP+guGssFCc/L8rXIbW98kjYlLo5Uwx2Xp+T5qQ0BTbBI4yw22/GRDcRn/jAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d2bc59e5d3d1224cc9f037d3213ceb6dacacb4526f0e54917ac00e518b49454","last_reissued_at":"2026-07-05T06:15:34.868152Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:15:34.868152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A diamond nanophotonic interface with an optically accessible deterministic electronuclear spin register","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Alexander M. Stramma, Carola M. Purser, Cathryn P. Michaels, Dirk Englund, Isaac B. Harris, Jes\\'us Arjona Mart\\'inez, Kevin C. Chen, Martin Hayhurst Appel, Matthew E. Trusheim, Mete Atat\\\"ure, Ryan A. Parker, William G. Roth","submitted_at":"2023-05-30T10:30:07Z","abstract_excerpt":"A contemporary challenge for the scalability of quantum networks is developing quantum nodes with simultaneous high photonic efficiency and long-lived qubits. Here, we present a fibre-packaged nanophotonic diamond waveguide hosting a tin-vacancy centre with a spin-1/2 $^{117}$Sn nucleus. The interaction between the electronic and nuclear spins results in a signature 452(7) MHz hyperfine splitting. This exceeds the natural optical linewidth by a factor of 16, enabling direct optical nuclear-spin initialisation with 98.6(3)% fidelity and single-shot readout with 80(1)% fidelity. The waveguide-to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.18923","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/2305.18923/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":"2305.18923","created_at":"2026-07-05T06:15:34.868210+00:00"},{"alias_kind":"arxiv_version","alias_value":"2305.18923v1","created_at":"2026-07-05T06:15:34.868210+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.18923","created_at":"2026-07-05T06:15:34.868210+00:00"},{"alias_kind":"pith_short_12","alias_value":"RUV4LHS5HUJC","created_at":"2026-07-05T06:15:34.868210+00:00"},{"alias_kind":"pith_short_16","alias_value":"RUV4LHS5HUJCJTE7","created_at":"2026-07-05T06:15:34.868210+00:00"},{"alias_kind":"pith_short_8","alias_value":"RUV4LHS5","created_at":"2026-07-05T06:15:34.868210+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.09267","citing_title":"High-Fidelity Control of a Strongly Coupled Electro-Nuclear Spin-Photon Interface","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3","json":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3.json","graph_json":"https://pith.science/api/pith-number/RUV4LHS5HUJCJTE7AN6TEE6OW3/graph.json","events_json":"https://pith.science/api/pith-number/RUV4LHS5HUJCJTE7AN6TEE6OW3/events.json","paper":"https://pith.science/paper/RUV4LHS5"},"agent_actions":{"view_html":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3","download_json":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3.json","view_paper":"https://pith.science/paper/RUV4LHS5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2305.18923&json=true","fetch_graph":"https://pith.science/api/pith-number/RUV4LHS5HUJCJTE7AN6TEE6OW3/graph.json","fetch_events":"https://pith.science/api/pith-number/RUV4LHS5HUJCJTE7AN6TEE6OW3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3/action/storage_attestation","attest_author":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3/action/author_attestation","sign_citation":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3/action/citation_signature","submit_replication":"https://pith.science/pith/RUV4LHS5HUJCJTE7AN6TEE6OW3/action/replication_record"}},"created_at":"2026-07-05T06:15:34.868210+00:00","updated_at":"2026-07-05T06:15:34.868210+00:00"}