{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:AFCCKPRG7PL6TG33FS6NGENONY","short_pith_number":"pith:AFCCKPRG","schema_version":"1.0","canonical_sha256":"0144253e26fbd7e99b7b2cbcd311ae6e13256d6b9aea34e227d34c92beadce27","source":{"kind":"arxiv","id":"1201.0871","version":2},"attestation_state":"computed","paper":{"title":"Spin Properties of Very Shallow Nitrogen Vacancy Defects in Diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. A. Moores, B. K. Ofori-Okai, C. L. Degen, J. Meijer, K. Chang, K. Groot-Berning, M. Loretz, R. Schirhagl, S. Pezzagna, Y. Tao","submitted_at":"2012-01-04T11:09:18Z","abstract_excerpt":"We investigate spin and optical properties of individual nitrogen-vacancy centers located within 1-10 nm from the diamond surface. We observe stable defects with a characteristic optically detected magnetic resonance spectrum down to lowest depth. We also find a small, but systematic spectral broadening for defects shallower than about 2 nm. This broadening is consistent with the presence of a surface paramagnetic impurity layer [Tisler et al., ACS Nano 3, 1959 (2009)] largely decoupled by motional averaging. The observation of stable and well-behaved defects very close to the surface is criti"},"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":"1201.0871","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-01-04T11:09:18Z","cross_cats_sorted":[],"title_canon_sha256":"c0b4ea5dd86a5cbfa37aec3ba9740e30f3bcff818da4798172890b6ebdbd24bb","abstract_canon_sha256":"803c416574c06456c33d304c44999c18c8eb38befa4fb0b7a76939dc01ffa1ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:53.282925Z","signature_b64":"coS1wqZmZcLKFO+77Po5jCTKk9A54UzTcnhSFKvCScfUv0Fwu6sPoUGBGC1/vnthvg1q6JK1aiEDeweK2WmKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0144253e26fbd7e99b7b2cbcd311ae6e13256d6b9aea34e227d34c92beadce27","last_reissued_at":"2026-05-18T03:47:53.282144Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:53.282144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin Properties of Very Shallow Nitrogen Vacancy Defects in Diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. A. Moores, B. K. Ofori-Okai, C. L. Degen, J. Meijer, K. Chang, K. Groot-Berning, M. Loretz, R. Schirhagl, S. Pezzagna, Y. Tao","submitted_at":"2012-01-04T11:09:18Z","abstract_excerpt":"We investigate spin and optical properties of individual nitrogen-vacancy centers located within 1-10 nm from the diamond surface. We observe stable defects with a characteristic optically detected magnetic resonance spectrum down to lowest depth. We also find a small, but systematic spectral broadening for defects shallower than about 2 nm. This broadening is consistent with the presence of a surface paramagnetic impurity layer [Tisler et al., ACS Nano 3, 1959 (2009)] largely decoupled by motional averaging. The observation of stable and well-behaved defects very close to the surface is criti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.0871","kind":"arxiv","version":2},"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":"1201.0871","created_at":"2026-05-18T03:47:53.282283+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.0871v2","created_at":"2026-05-18T03:47:53.282283+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.0871","created_at":"2026-05-18T03:47:53.282283+00:00"},{"alias_kind":"pith_short_12","alias_value":"AFCCKPRG7PL6","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_16","alias_value":"AFCCKPRG7PL6TG33","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_8","alias_value":"AFCCKPRG","created_at":"2026-05-18T12:26:58.693483+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/AFCCKPRG7PL6TG33FS6NGENONY","json":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY.json","graph_json":"https://pith.science/api/pith-number/AFCCKPRG7PL6TG33FS6NGENONY/graph.json","events_json":"https://pith.science/api/pith-number/AFCCKPRG7PL6TG33FS6NGENONY/events.json","paper":"https://pith.science/paper/AFCCKPRG"},"agent_actions":{"view_html":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY","download_json":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY.json","view_paper":"https://pith.science/paper/AFCCKPRG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.0871&json=true","fetch_graph":"https://pith.science/api/pith-number/AFCCKPRG7PL6TG33FS6NGENONY/graph.json","fetch_events":"https://pith.science/api/pith-number/AFCCKPRG7PL6TG33FS6NGENONY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY/action/storage_attestation","attest_author":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY/action/author_attestation","sign_citation":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY/action/citation_signature","submit_replication":"https://pith.science/pith/AFCCKPRG7PL6TG33FS6NGENONY/action/replication_record"}},"created_at":"2026-05-18T03:47:53.282283+00:00","updated_at":"2026-05-18T03:47:53.282283+00:00"}