{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KXW5UIY7AYOVD3EXVJCLN4OBKF","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":"e5c84d3005ece79a6f4eee4bd02b5c6259d73b821239dc02bda1b510147a1662","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-05-21T15:40:38Z","title_canon_sha256":"861a5093fd9d56200fce29335ee979f3a5036eb8799d11bb52b2665096f4f047"},"schema_version":"1.0","source":{"id":"1005.3991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3991","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3991v1","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3991","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"KXW5UIY7AYOV","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KXW5UIY7AYOVD3EX","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KXW5UIY7","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:859d5e9a89c5f4ce2ca079774271627ae9eb4faf0d606839eda30cccc3a0e8b7","target":"graph","created_at":"2026-05-18T02:07:15Z","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":"Organic and carbon-based materials are attractive for spintronics because their small spin-orbit coupling and low hyperfine interaction is expected to give rise to large spin-relaxation times. However, the corresponding spin-relaxation length is not necessarily large when transport is via weakly interacting molecular orbitals. Here we use graphite as a model system and study spin transport in the direction perpendicular to the weakly bonded graphene sheets. We achieve injection of highly (75%) spin-polarized electrons into graphite nanostructures of 300-500 nm across and up to 17 nm thick, and","authors_text":"R. Jansen, T. Banerjee, W.G. van der Wiel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-05-21T15:40:38Z","title":"Spin injection and perpendicular spin transport in graphite nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3991","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:a950ea8b394725641a94ac292a722ea5192c705331e21c91bbb49b2a15e13b73","target":"record","created_at":"2026-05-18T02:07:15Z","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":"e5c84d3005ece79a6f4eee4bd02b5c6259d73b821239dc02bda1b510147a1662","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-05-21T15:40:38Z","title_canon_sha256":"861a5093fd9d56200fce29335ee979f3a5036eb8799d11bb52b2665096f4f047"},"schema_version":"1.0","source":{"id":"1005.3991","kind":"arxiv","version":1}},"canonical_sha256":"55edda231f061d51ec97aa44b6f1c1514f854ed125599b327e8ecfc86907fe9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"55edda231f061d51ec97aa44b6f1c1514f854ed125599b327e8ecfc86907fe9b","first_computed_at":"2026-05-18T02:07:15.669972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:15.669972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lf4T8vjdhAXtasmnRk3mQw/jkqFYT3nZRaHXiAxv8rvqkYPOufYuxa54C72uBaHnOTsLK7fGC9RIUAwIqKMBAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:15.670688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.3991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a950ea8b394725641a94ac292a722ea5192c705331e21c91bbb49b2a15e13b73","sha256:859d5e9a89c5f4ce2ca079774271627ae9eb4faf0d606839eda30cccc3a0e8b7"],"state_sha256":"55ae4bd39a7157d4a004e2bf4f2671688fd6546f12a998335aa4012f04a6ab87"}