{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UWXVEJBE3BOR7ZIG7M7IWO3GDA","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":"27c9e031abef72c7522e44bab1baeee6c611f7131117ef6295245e9fcabfa75d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-19T06:01:51Z","title_canon_sha256":"9275bef818289887c9ea0683797fa8688afd0999e535addddb93867f0df8312c"},"schema_version":"1.0","source":{"id":"1705.06866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.06866","created_at":"2026-05-18T00:43:43Z"},{"alias_kind":"arxiv_version","alias_value":"1705.06866v1","created_at":"2026-05-18T00:43:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.06866","created_at":"2026-05-18T00:43:43Z"},{"alias_kind":"pith_short_12","alias_value":"UWXVEJBE3BOR","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UWXVEJBE3BOR7ZIG","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UWXVEJBE","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:dc1e61084a6fed9e608b3f2034767f9984dba4a76b0a596a16851627ebaa3fca","target":"graph","created_at":"2026-05-18T00:43:43Z","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":"The nuclear spin relaxation time $T_1$ is calculated taking account of the contributions from orbital currents of Dirac electrons. We consider a simple model of non-interacting Dirac electron gas in the three-dimensional bulk system. The obtained result shows $T^3$ dependence of $1/T_1$ at temperatures $T$ above the energy gap. This temperature dependence agrees qualitatively with the recent $\\beta$-NMR experiment on the bulk of the topological insulator $\\mathrm{Bi}_{0.9}\\mathrm{Sb}_{0.1}$.","authors_text":"Hideaki Maebashi, Masao Ogata, Tomoki Hirosawa","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-19T06:01:51Z","title":"Nuclear Spin Relaxation Time due to the Orbital Currents in Dirac Electron Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.06866","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:e76326115b77d61743bb99611a8d12e1e29bec9ea0db61227b23ef33bd5717ef","target":"record","created_at":"2026-05-18T00:43:43Z","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":"27c9e031abef72c7522e44bab1baeee6c611f7131117ef6295245e9fcabfa75d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-19T06:01:51Z","title_canon_sha256":"9275bef818289887c9ea0683797fa8688afd0999e535addddb93867f0df8312c"},"schema_version":"1.0","source":{"id":"1705.06866","kind":"arxiv","version":1}},"canonical_sha256":"a5af522424d85d1fe506fb3e8b3b66183661b1b25eafc6f36e0923ad113aa2ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5af522424d85d1fe506fb3e8b3b66183661b1b25eafc6f36e0923ad113aa2ec","first_computed_at":"2026-05-18T00:43:43.045343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:43.045343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sVtucng4tBA3ayQ0XU34IY5FDrCWI8WSbCsNSFI2rVEaH426HT0puAfGmCtswkwLfZLIYiLTPYaB2L/nqSmzCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:43.045914Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.06866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e76326115b77d61743bb99611a8d12e1e29bec9ea0db61227b23ef33bd5717ef","sha256:dc1e61084a6fed9e608b3f2034767f9984dba4a76b0a596a16851627ebaa3fca"],"state_sha256":"9a8ac5534c900bc767f32fdc724e693f414e9b8540d2614f1c8355c47e52f71e"}