{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:JDHIA4EAVYINOT7VKNVALTVQUS","short_pith_number":"pith:JDHIA4EA","schema_version":"1.0","canonical_sha256":"48ce807080ae10d74ff5536a05ceb0a4904a2eb2f30d25c9eceec088204e47ed","source":{"kind":"arxiv","id":"1004.0340","version":3},"attestation_state":"computed","paper":{"title":"Electron spin coherence and electron nuclear double resonance of Bi donors in natural Si","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Riemann, John J. L. Morton, Mike L. W. Thewalt, N. Notzel, N.V. Abrosimov, Richard E. George, Wayne Witzel","submitted_at":"2010-04-02T14:17:13Z","abstract_excerpt":"Donors in silicon hold considerable promise for emerging quantum technologies, due to the their uniquely long electron spin coherence times. Bi donors in silicon differ from P and other Group V donors in several significant respects: they have the strongest binding energy (70.98 meV), a large nuclear spin (I = 9/2) and strong hyperfine coupling constant (A = 1475.4 MHz). These larger energy scales allow a detailed test of theoretical models describing the spectral diffusion mechanism that is known to govern the electron spin coherence time (T2e) of P-donors in natural silicon. We report the el"},"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":"1004.0340","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-04-02T14:17:13Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"dc0ab59fc8aec7dc9db802bd89aafd3921a4bd53da0e488905a7e46d1244d6d7","abstract_canon_sha256":"90393f7c9e78cec3e55f4eaa377d6af0287f27bba628695518215e84ae2c3f05"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:17.911047Z","signature_b64":"rg0Z8kpWocOPdFs7PQ3GmA4GMhkQlGdwzehCoxzb1pI7uEfmZZnQXQQz2V9bLYOPyD3BEkkOh0quhZ4S6nh/Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48ce807080ae10d74ff5536a05ceb0a4904a2eb2f30d25c9eceec088204e47ed","last_reissued_at":"2026-05-18T02:24:17.910482Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:17.910482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electron spin coherence and electron nuclear double resonance of Bi donors in natural Si","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Riemann, John J. L. Morton, Mike L. W. Thewalt, N. Notzel, N.V. Abrosimov, Richard E. George, Wayne Witzel","submitted_at":"2010-04-02T14:17:13Z","abstract_excerpt":"Donors in silicon hold considerable promise for emerging quantum technologies, due to the their uniquely long electron spin coherence times. Bi donors in silicon differ from P and other Group V donors in several significant respects: they have the strongest binding energy (70.98 meV), a large nuclear spin (I = 9/2) and strong hyperfine coupling constant (A = 1475.4 MHz). These larger energy scales allow a detailed test of theoretical models describing the spectral diffusion mechanism that is known to govern the electron spin coherence time (T2e) of P-donors in natural silicon. We report the el"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0340","kind":"arxiv","version":3},"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":"1004.0340","created_at":"2026-05-18T02:24:17.910588+00:00"},{"alias_kind":"arxiv_version","alias_value":"1004.0340v3","created_at":"2026-05-18T02:24:17.910588+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0340","created_at":"2026-05-18T02:24:17.910588+00:00"},{"alias_kind":"pith_short_12","alias_value":"JDHIA4EAVYIN","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"JDHIA4EAVYINOT7V","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"JDHIA4EA","created_at":"2026-05-18T12:26:09.077623+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/JDHIA4EAVYINOT7VKNVALTVQUS","json":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS.json","graph_json":"https://pith.science/api/pith-number/JDHIA4EAVYINOT7VKNVALTVQUS/graph.json","events_json":"https://pith.science/api/pith-number/JDHIA4EAVYINOT7VKNVALTVQUS/events.json","paper":"https://pith.science/paper/JDHIA4EA"},"agent_actions":{"view_html":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS","download_json":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS.json","view_paper":"https://pith.science/paper/JDHIA4EA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1004.0340&json=true","fetch_graph":"https://pith.science/api/pith-number/JDHIA4EAVYINOT7VKNVALTVQUS/graph.json","fetch_events":"https://pith.science/api/pith-number/JDHIA4EAVYINOT7VKNVALTVQUS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS/action/storage_attestation","attest_author":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS/action/author_attestation","sign_citation":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS/action/citation_signature","submit_replication":"https://pith.science/pith/JDHIA4EAVYINOT7VKNVALTVQUS/action/replication_record"}},"created_at":"2026-05-18T02:24:17.910588+00:00","updated_at":"2026-05-18T02:24:17.910588+00:00"}