{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:T4WKNCPW4Y7UJ5A26XQA2ND47O","short_pith_number":"pith:T4WKNCPW","schema_version":"1.0","canonical_sha256":"9f2ca689f6e63f44f41af5e00d347cfb95eb8495a785b326aab7781603192e55","source":{"kind":"arxiv","id":"1809.07380","version":1},"attestation_state":"computed","paper":{"title":"Spin readout via spin-to-charge conversion in bulk diamond nitrogen-vacancy ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Carlos A. Meriles, Harishankar Jayakumar, Jacob Henshaw, Siddharth Dhomkar","submitted_at":"2018-09-19T19:25:46Z","abstract_excerpt":"We demonstrate optical readout of ensembles of nitrogen-vacancy(NV) center spins in a bulk diamond sample via spin-to-charge conversion. A high power 594 nm laser is utilized to selectively ionize these paramagnetic defects in the spin state with a contrast of up to 12%. In comparison with the conventional 520 nm spin readout, spin-to-charge-conversion-based readout provides higher signal-to-noise ratio, with tenfold sensing measurement speedup for millisecond long pulse sequences. This level of performance was achieved for an NV- ionization of only 25%, limited by the ionization and readout l"},"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":"1809.07380","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-19T19:25:46Z","cross_cats_sorted":[],"title_canon_sha256":"ad6e0246b71cd240e37d6563f909a22f39bbee0eff1199f693da32004747d242","abstract_canon_sha256":"ae7207378a4103f008bc4ec334071fc61f5a8221589c3ad1f1d9439b6411a77c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:18.614340Z","signature_b64":"Co4IXlsFsfXHWeJJota4cYBuH+ymvNhPgFIqFYSlknKR206F9GGvd6avmDA0x4UeFQnXKXW0avuBNZhE5M7ICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f2ca689f6e63f44f41af5e00d347cfb95eb8495a785b326aab7781603192e55","last_reissued_at":"2026-05-18T00:05:18.613689Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:18.613689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin readout via spin-to-charge conversion in bulk diamond nitrogen-vacancy ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Carlos A. Meriles, Harishankar Jayakumar, Jacob Henshaw, Siddharth Dhomkar","submitted_at":"2018-09-19T19:25:46Z","abstract_excerpt":"We demonstrate optical readout of ensembles of nitrogen-vacancy(NV) center spins in a bulk diamond sample via spin-to-charge conversion. A high power 594 nm laser is utilized to selectively ionize these paramagnetic defects in the spin state with a contrast of up to 12%. In comparison with the conventional 520 nm spin readout, spin-to-charge-conversion-based readout provides higher signal-to-noise ratio, with tenfold sensing measurement speedup for millisecond long pulse sequences. This level of performance was achieved for an NV- ionization of only 25%, limited by the ionization and readout l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.07380","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":""},"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":"1809.07380","created_at":"2026-05-18T00:05:18.613783+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.07380v1","created_at":"2026-05-18T00:05:18.613783+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.07380","created_at":"2026-05-18T00:05:18.613783+00:00"},{"alias_kind":"pith_short_12","alias_value":"T4WKNCPW4Y7U","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"T4WKNCPW4Y7UJ5A2","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"T4WKNCPW","created_at":"2026-05-18T12:32:53.628368+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/T4WKNCPW4Y7UJ5A26XQA2ND47O","json":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O.json","graph_json":"https://pith.science/api/pith-number/T4WKNCPW4Y7UJ5A26XQA2ND47O/graph.json","events_json":"https://pith.science/api/pith-number/T4WKNCPW4Y7UJ5A26XQA2ND47O/events.json","paper":"https://pith.science/paper/T4WKNCPW"},"agent_actions":{"view_html":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O","download_json":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O.json","view_paper":"https://pith.science/paper/T4WKNCPW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.07380&json=true","fetch_graph":"https://pith.science/api/pith-number/T4WKNCPW4Y7UJ5A26XQA2ND47O/graph.json","fetch_events":"https://pith.science/api/pith-number/T4WKNCPW4Y7UJ5A26XQA2ND47O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O/action/storage_attestation","attest_author":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O/action/author_attestation","sign_citation":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O/action/citation_signature","submit_replication":"https://pith.science/pith/T4WKNCPW4Y7UJ5A26XQA2ND47O/action/replication_record"}},"created_at":"2026-05-18T00:05:18.613783+00:00","updated_at":"2026-05-18T00:05:18.613783+00:00"}