{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:KGGIABUVSE7KXUDF2WXDQVVDB3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6a8813d7860b7ed9c8a45829029cddaf52272d40ad54b4090cefe48802d5b289","cross_cats_sorted":["quant-ph"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-12-16T14:19:16Z","title_canon_sha256":"20e9a6de3267aa59e668371e741300c54525404fbafcb38a2587d5933c77cb81"},"schema_version":"1.0","source":{"id":"cond-mat/0512404","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0512404","created_at":"2026-05-18T04:35:55Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0512404v1","created_at":"2026-05-18T04:35:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0512404","created_at":"2026-05-18T04:35:55Z"},{"alias_kind":"pith_short_12","alias_value":"KGGIABUVSE7K","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"KGGIABUVSE7KXUDF","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"KGGIABUV","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:06dc676d4237fe06deb32e17d995aa7774355c4b52b4257e67e49710b5f224ed","target":"graph","created_at":"2026-05-18T04:35:55Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Phosphorus-doped silicon single crystals with 0.19 % <= f <= 99.2 %, where f is the concentration of 29^Si isotopes, are measured at 8 K using a pulsed electron spin resonance technique, thereby the effect of environmental 29^Si nuclear spins on the donor electron spin is systematically studied. The linewidth as a function of f shows a good agreement with theoretical analysis. We also report the phase memory time T_M of the donor electron spin dependent on both f and the crystal axis relative to the external magnetic field.","authors_text":"Akira Fujimoto, Eisuke Abe, Junichi Isoya, Kohei M. Itoh, Satoshi Yamasaki","cross_cats":["quant-ph"],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-12-16T14:19:16Z","title":"Line Broadening and Decoherence of Electron Spins in Phosphorus-Doped Silicon Due to Environmental 29^Si Nuclear Spins"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0512404","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2e54323f5e9003fc4b7bcfc331687d5dcd43469d2e7dfcca7314cc29235f0b07","target":"record","created_at":"2026-05-18T04:35:55Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6a8813d7860b7ed9c8a45829029cddaf52272d40ad54b4090cefe48802d5b289","cross_cats_sorted":["quant-ph"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-12-16T14:19:16Z","title_canon_sha256":"20e9a6de3267aa59e668371e741300c54525404fbafcb38a2587d5933c77cb81"},"schema_version":"1.0","source":{"id":"cond-mat/0512404","kind":"arxiv","version":1}},"canonical_sha256":"518c800695913eabd065d5ae3856a30edf5d45c60d5a8772dcd1aa9561f45dde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"518c800695913eabd065d5ae3856a30edf5d45c60d5a8772dcd1aa9561f45dde","first_computed_at":"2026-05-18T04:35:55.663000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:55.663000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kpu9On4qOVwu38dC1ogNzSxBOEl8e39Z5cSD/q/DSjbJHa+8imaaD+E5c9/NXDhK1Bk6tDWeRJZmRH7CvlaBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:55.663630Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0512404","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e54323f5e9003fc4b7bcfc331687d5dcd43469d2e7dfcca7314cc29235f0b07","sha256:06dc676d4237fe06deb32e17d995aa7774355c4b52b4257e67e49710b5f224ed"],"state_sha256":"99224312576e985ebba5b586bf7497bad10e2779901641f9f8ab9043d75884e9"}