{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:DRVMPRFW3JLLJ4D4RH7BCO7S4J","short_pith_number":"pith:DRVMPRFW","schema_version":"1.0","canonical_sha256":"1c6ac7c4b6da56b4f07c89fe113bf2e2400339e2847dddf732559c3f25aa8dca","source":{"kind":"arxiv","id":"1311.1801","version":1},"attestation_state":"computed","paper":{"title":"All-optical sensing of a single-molecule electron spin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.bio-ph","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Akimov, A. O. Sushkov, D. Hunger, H. Park, I. Lovchinsky, M. D. Lukin, M. Kubo, N. Chisholm, P. K. Lo, R. L. Walsworth, S. D. Bennett","submitted_at":"2013-11-07T20:17:53Z","abstract_excerpt":"We demonstrate an all-optical method for magnetic sensing of individual molecules in ambient conditions at room temperature. Our approach is based on shallow nitrogen-vacancy (NV) centers near the surface of a diamond crystal, which we use to detect single paramagnetic molecules covalently attached to the diamond surface. The manipulation and readout of the NV centers is all-optical and provides a sensitive probe of the magnetic field fluctuations stemming from the dynamics of the electronic spins of the attached molecules. As a specific example, we demonstrate detection of a single paramagnet"},"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":"1311.1801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-11-07T20:17:53Z","cross_cats_sorted":["physics.atom-ph","physics.bio-ph","quant-ph"],"title_canon_sha256":"61a9f6c11469d3903a936ce1e12aa77310ba466b04eb554b5176a3ef75eeedbb","abstract_canon_sha256":"351508109c5fe074f79a2853e257f1ecc50fc546904f519b1638e441bb3e2a7f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:33.131061Z","signature_b64":"R0YViWhDkJkWa09+nNv7U66IfMBANnlSmUs0YEElJovc4kLw1v3tPoa7fndy4keZVOieE1G45p3fISQFiww1Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c6ac7c4b6da56b4f07c89fe113bf2e2400339e2847dddf732559c3f25aa8dca","last_reissued_at":"2026-05-18T01:46:33.130649Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:33.130649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"All-optical sensing of a single-molecule electron spin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.bio-ph","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Akimov, A. O. Sushkov, D. Hunger, H. Park, I. Lovchinsky, M. D. Lukin, M. Kubo, N. Chisholm, P. K. Lo, R. L. Walsworth, S. D. Bennett","submitted_at":"2013-11-07T20:17:53Z","abstract_excerpt":"We demonstrate an all-optical method for magnetic sensing of individual molecules in ambient conditions at room temperature. Our approach is based on shallow nitrogen-vacancy (NV) centers near the surface of a diamond crystal, which we use to detect single paramagnetic molecules covalently attached to the diamond surface. The manipulation and readout of the NV centers is all-optical and provides a sensitive probe of the magnetic field fluctuations stemming from the dynamics of the electronic spins of the attached molecules. As a specific example, we demonstrate detection of a single paramagnet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1801","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":"1311.1801","created_at":"2026-05-18T01:46:33.130721+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.1801v1","created_at":"2026-05-18T01:46:33.130721+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1801","created_at":"2026-05-18T01:46:33.130721+00:00"},{"alias_kind":"pith_short_12","alias_value":"DRVMPRFW3JLL","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_16","alias_value":"DRVMPRFW3JLLJ4D4","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_8","alias_value":"DRVMPRFW","created_at":"2026-05-18T12:27:43.054852+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/DRVMPRFW3JLLJ4D4RH7BCO7S4J","json":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J.json","graph_json":"https://pith.science/api/pith-number/DRVMPRFW3JLLJ4D4RH7BCO7S4J/graph.json","events_json":"https://pith.science/api/pith-number/DRVMPRFW3JLLJ4D4RH7BCO7S4J/events.json","paper":"https://pith.science/paper/DRVMPRFW"},"agent_actions":{"view_html":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J","download_json":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J.json","view_paper":"https://pith.science/paper/DRVMPRFW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.1801&json=true","fetch_graph":"https://pith.science/api/pith-number/DRVMPRFW3JLLJ4D4RH7BCO7S4J/graph.json","fetch_events":"https://pith.science/api/pith-number/DRVMPRFW3JLLJ4D4RH7BCO7S4J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J/action/storage_attestation","attest_author":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J/action/author_attestation","sign_citation":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J/action/citation_signature","submit_replication":"https://pith.science/pith/DRVMPRFW3JLLJ4D4RH7BCO7S4J/action/replication_record"}},"created_at":"2026-05-18T01:46:33.130721+00:00","updated_at":"2026-05-18T01:46:33.130721+00:00"}