{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:PJNGUQOWRSFATAEY3KOYVVLPRW","short_pith_number":"pith:PJNGUQOW","canonical_record":{"source":{"id":"1103.0355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-02T07:06:33Z","cross_cats_sorted":[],"title_canon_sha256":"0d2d01973e0c243ecab44c248e505aef140f6db6df801e1247761b88b2c14347","abstract_canon_sha256":"9be074b1207f5ad8805a864fcd1aa634fbf070d58c777eb4a406f1d4dfc32fea"},"schema_version":"1.0"},"canonical_sha256":"7a5a6a41d68c8a098098da9d8ad56f8d806717b672946f344f7dd346f4a394be","source":{"kind":"arxiv","id":"1103.0355","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.0355","created_at":"2026-05-18T04:19:22Z"},{"alias_kind":"arxiv_version","alias_value":"1103.0355v1","created_at":"2026-05-18T04:19:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.0355","created_at":"2026-05-18T04:19:22Z"},{"alias_kind":"pith_short_12","alias_value":"PJNGUQOWRSFA","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PJNGUQOWRSFATAEY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PJNGUQOW","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:PJNGUQOWRSFATAEY3KOYVVLPRW","target":"record","payload":{"canonical_record":{"source":{"id":"1103.0355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-02T07:06:33Z","cross_cats_sorted":[],"title_canon_sha256":"0d2d01973e0c243ecab44c248e505aef140f6db6df801e1247761b88b2c14347","abstract_canon_sha256":"9be074b1207f5ad8805a864fcd1aa634fbf070d58c777eb4a406f1d4dfc32fea"},"schema_version":"1.0"},"canonical_sha256":"7a5a6a41d68c8a098098da9d8ad56f8d806717b672946f344f7dd346f4a394be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:22.988518Z","signature_b64":"iWTtdhc72CsfnLt4qXtqDSV3ZPemoOHGiHsWW7xqx4g8lgG2dREr7mbrL5lmQGyHvCP7jtCrqfc7cRsB3bxjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a5a6a41d68c8a098098da9d8ad56f8d806717b672946f344f7dd346f4a394be","last_reissued_at":"2026-05-18T04:19:22.987887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:22.987887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.0355","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:19:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7AyMmgF9JrXw1W49f09g23OVrNDTbO7G7m9D9yTTdWk3VOfKsWlb8/VqbxoByHWc0g726iq2alOaMxOQOgwRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:33:21.175658Z"},"content_sha256":"4fe11a58f9544c4d569b495e26954d4fc3600d263d45baf71285b6b90c01ad73","schema_version":"1.0","event_id":"sha256:4fe11a58f9544c4d569b495e26954d4fc3600d263d45baf71285b6b90c01ad73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:PJNGUQOWRSFATAEY3KOYVVLPRW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Investigation of Spin Transport Properties in Silicon by Using a Non-local Geometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"AIT), Eiji Shikoh, Kiyoshi Noguchi, Masashi Shiraishi, TDK, Teruya Shinjo, Tohru Oikawa, Tomoyuki Sasaki, Toshio Suzuki (Osaka Univ., Yoshishige Suzuki, Yoshiya Honda","submitted_at":"2011-03-02T07:06:33Z","abstract_excerpt":"A systematic investigation of spin transport properties in silicon at 8 K by using a non-local geometry is presented. The spin injection signal in the non-local scheme is found to increase in proportion to the evolution of bias electric currents. Theoretical fittings using the Hanle-type spin precession signals reveal that the spin polarization of the transported spin in the Si is much less affected by the change in the bias electric current compared with a case of the other spin devices, which induces a unique bias dependence of the spin signals."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.0355","kind":"arxiv","version":1},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:19:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gygC9XLZdYZBT+yUoAev8sKbNlnNmrt5wOuukOat92jvaoo6fGHsPHyscw0PA8IMO4QRrJcL1BGmbHtUr9pzAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:33:21.176014Z"},"content_sha256":"0a6eba9709ea9eab1646730f67b308a2c8962c22dfb3991c3e2d5c4fb9a114b6","schema_version":"1.0","event_id":"sha256:0a6eba9709ea9eab1646730f67b308a2c8962c22dfb3991c3e2d5c4fb9a114b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJNGUQOWRSFATAEY3KOYVVLPRW/bundle.json","state_url":"https://pith.science/pith/PJNGUQOWRSFATAEY3KOYVVLPRW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJNGUQOWRSFATAEY3KOYVVLPRW/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T08:33:21Z","links":{"resolver":"https://pith.science/pith/PJNGUQOWRSFATAEY3KOYVVLPRW","bundle":"https://pith.science/pith/PJNGUQOWRSFATAEY3KOYVVLPRW/bundle.json","state":"https://pith.science/pith/PJNGUQOWRSFATAEY3KOYVVLPRW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJNGUQOWRSFATAEY3KOYVVLPRW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PJNGUQOWRSFATAEY3KOYVVLPRW","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":"9be074b1207f5ad8805a864fcd1aa634fbf070d58c777eb4a406f1d4dfc32fea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-02T07:06:33Z","title_canon_sha256":"0d2d01973e0c243ecab44c248e505aef140f6db6df801e1247761b88b2c14347"},"schema_version":"1.0","source":{"id":"1103.0355","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.0355","created_at":"2026-05-18T04:19:22Z"},{"alias_kind":"arxiv_version","alias_value":"1103.0355v1","created_at":"2026-05-18T04:19:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.0355","created_at":"2026-05-18T04:19:22Z"},{"alias_kind":"pith_short_12","alias_value":"PJNGUQOWRSFA","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PJNGUQOWRSFATAEY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PJNGUQOW","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:0a6eba9709ea9eab1646730f67b308a2c8962c22dfb3991c3e2d5c4fb9a114b6","target":"graph","created_at":"2026-05-18T04:19:22Z","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":"A systematic investigation of spin transport properties in silicon at 8 K by using a non-local geometry is presented. The spin injection signal in the non-local scheme is found to increase in proportion to the evolution of bias electric currents. Theoretical fittings using the Hanle-type spin precession signals reveal that the spin polarization of the transported spin in the Si is much less affected by the change in the bias electric current compared with a case of the other spin devices, which induces a unique bias dependence of the spin signals.","authors_text":"AIT), Eiji Shikoh, Kiyoshi Noguchi, Masashi Shiraishi, TDK, Teruya Shinjo, Tohru Oikawa, Tomoyuki Sasaki, Toshio Suzuki (Osaka Univ., Yoshishige Suzuki, Yoshiya Honda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-02T07:06:33Z","title":"Experimental Investigation of Spin Transport Properties in Silicon by Using a Non-local Geometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.0355","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":"sha256:4fe11a58f9544c4d569b495e26954d4fc3600d263d45baf71285b6b90c01ad73","target":"record","created_at":"2026-05-18T04:19:22Z","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":"9be074b1207f5ad8805a864fcd1aa634fbf070d58c777eb4a406f1d4dfc32fea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-02T07:06:33Z","title_canon_sha256":"0d2d01973e0c243ecab44c248e505aef140f6db6df801e1247761b88b2c14347"},"schema_version":"1.0","source":{"id":"1103.0355","kind":"arxiv","version":1}},"canonical_sha256":"7a5a6a41d68c8a098098da9d8ad56f8d806717b672946f344f7dd346f4a394be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a5a6a41d68c8a098098da9d8ad56f8d806717b672946f344f7dd346f4a394be","first_computed_at":"2026-05-18T04:19:22.987887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:22.987887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iWTtdhc72CsfnLt4qXtqDSV3ZPemoOHGiHsWW7xqx4g8lgG2dREr7mbrL5lmQGyHvCP7jtCrqfc7cRsB3bxjCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:22.988518Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.0355","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fe11a58f9544c4d569b495e26954d4fc3600d263d45baf71285b6b90c01ad73","sha256:0a6eba9709ea9eab1646730f67b308a2c8962c22dfb3991c3e2d5c4fb9a114b6"],"state_sha256":"c2b6166e2d439588fb510eee780d2b0539c691b1ab135a3dd2e7553b99e78710"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lJhMLaxXOr8MVIzBABJAIz31iIpiRJIRJSuybxbZaQHoF4Go+J4MUN6+5U+GIpPjV1DbISmgELPdu6t8IFJTDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:33:21.178010Z","bundle_sha256":"ec9da995cba6725d8a37cc95c1f9e3764bf359958e09db97b23f55f05e4d1b4f"}}