{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:AWUBAOJZQJFGLWI4VHUUQTEILH","short_pith_number":"pith:AWUBAOJZ","canonical_record":{"source":{"id":"cond-mat/0612354","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-12-14T09:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"c9422c0d7593be90042c53d8c9818f383c584e72a71649aada0ca12555968a1f","abstract_canon_sha256":"af7b97129c6c89e43ebd06fc6459f521359e6c3f2c23ddadd0d5174954b7bae5"},"schema_version":"1.0"},"canonical_sha256":"05a8103939824a65d91ca9e9484c8859dc02ff00e9bf1d8e196513797eea03be","source":{"kind":"arxiv","id":"cond-mat/0612354","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0612354","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0612354v1","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0612354","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"AWUBAOJZQJFG","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"AWUBAOJZQJFGLWI4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"AWUBAOJZ","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:AWUBAOJZQJFGLWI4VHUUQTEILH","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0612354","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-12-14T09:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"c9422c0d7593be90042c53d8c9818f383c584e72a71649aada0ca12555968a1f","abstract_canon_sha256":"af7b97129c6c89e43ebd06fc6459f521359e6c3f2c23ddadd0d5174954b7bae5"},"schema_version":"1.0"},"canonical_sha256":"05a8103939824a65d91ca9e9484c8859dc02ff00e9bf1d8e196513797eea03be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:38.822941Z","signature_b64":"LdOMSWwCyMirm11PEtUljDaiVzNFRhNiSLLnZBndQCUnK29mj1bN59Vcig8/KEJAeOFBJBWAHaP8dbGgeNPYDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05a8103939824a65d91ca9e9484c8859dc02ff00e9bf1d8e196513797eea03be","last_reissued_at":"2026-05-18T01:39:38.822193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:38.822193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0612354","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":"2026-05-18T01:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AqSDPn3ni41z7vtWyCmFnH7grW5rGF0Gq2fpWJf7u8L6uhPG4yj9WJgRXYBf2lQB7aIT+XAHLUWO6Vu8JbSFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:40:49.286939Z"},"content_sha256":"fd527054620e6d78e62d4664df98893f36aa00be27a184c66257ec125627741d","schema_version":"1.0","event_id":"sha256:fd527054620e6d78e62d4664df98893f36aa00be27a184c66257ec125627741d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:AWUBAOJZQJFGLWI4VHUUQTEILH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing Spin Accumulation in Ni/Au/Ni Single-Electron Transistors with Efficient Spin Injection and Detection Electrodes","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"2), (2)Solid State Physics/ the Nanometer Structure Consortium, (3)Dept of Chemistry, Biomedical Sciences, C. M. Canali (3), Halmstad, Halmstad University, H. Pettersson (1, Kalmar, Kalmar University, L. Michalak (3), L. Samuelson (2) ((1)Center for Applied Mathematics, Lund, Lund University, Physics, R. S. Liu (1, Sweden, Sweden)","submitted_at":"2006-12-14T09:34:44Z","abstract_excerpt":"We have investigated spin accumulation in Ni/Au/Ni single-electron transistors assembled by atomic force microscopy. The fabrication technique is unique in that unconventional hybrid devices can be realized with unprecedented control, including real-time tunable tunnel resistances. A grid of Au discs, 30 nm in diameter and 30 nm thick, is prepared on a SiO2 surface by conventional e-beam writing. Subsequently, 30 nm thick ferromagnetic Ni source, drain and side-gate electrodes are formed in similar process steps. The width and length of the source and drain electrodes were different to exhibit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0612354","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":"2026-05-18T01:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZQw3Ran0zCeNVfT9AHHl0ZI+nmeqPuNj8pSVgNMFGogiPXG5n8KwpAKx/SE64BMcnZ/8f2ChXM3icf6qmFJvCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:40:49.287398Z"},"content_sha256":"c91074a9419e7a564a46b04054ef2cbadc414f92ed06d1255e5200f0b2dcfaab","schema_version":"1.0","event_id":"sha256:c91074a9419e7a564a46b04054ef2cbadc414f92ed06d1255e5200f0b2dcfaab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AWUBAOJZQJFGLWI4VHUUQTEILH/bundle.json","state_url":"https://pith.science/pith/AWUBAOJZQJFGLWI4VHUUQTEILH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AWUBAOJZQJFGLWI4VHUUQTEILH/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":"2026-05-26T23:40:49Z","links":{"resolver":"https://pith.science/pith/AWUBAOJZQJFGLWI4VHUUQTEILH","bundle":"https://pith.science/pith/AWUBAOJZQJFGLWI4VHUUQTEILH/bundle.json","state":"https://pith.science/pith/AWUBAOJZQJFGLWI4VHUUQTEILH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AWUBAOJZQJFGLWI4VHUUQTEILH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:AWUBAOJZQJFGLWI4VHUUQTEILH","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":"af7b97129c6c89e43ebd06fc6459f521359e6c3f2c23ddadd0d5174954b7bae5","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-12-14T09:34:44Z","title_canon_sha256":"c9422c0d7593be90042c53d8c9818f383c584e72a71649aada0ca12555968a1f"},"schema_version":"1.0","source":{"id":"cond-mat/0612354","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0612354","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0612354v1","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0612354","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"AWUBAOJZQJFG","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"AWUBAOJZQJFGLWI4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"AWUBAOJZ","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:c91074a9419e7a564a46b04054ef2cbadc414f92ed06d1255e5200f0b2dcfaab","target":"graph","created_at":"2026-05-18T01:39:38Z","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":"We have investigated spin accumulation in Ni/Au/Ni single-electron transistors assembled by atomic force microscopy. The fabrication technique is unique in that unconventional hybrid devices can be realized with unprecedented control, including real-time tunable tunnel resistances. A grid of Au discs, 30 nm in diameter and 30 nm thick, is prepared on a SiO2 surface by conventional e-beam writing. Subsequently, 30 nm thick ferromagnetic Ni source, drain and side-gate electrodes are formed in similar process steps. The width and length of the source and drain electrodes were different to exhibit","authors_text":"2), (2)Solid State Physics/ the Nanometer Structure Consortium, (3)Dept of Chemistry, Biomedical Sciences, C. M. Canali (3), Halmstad, Halmstad University, H. Pettersson (1, Kalmar, Kalmar University, L. Michalak (3), L. Samuelson (2) ((1)Center for Applied Mathematics, Lund, Lund University, Physics, R. S. Liu (1, Sweden, Sweden)","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.other","submitted_at":"2006-12-14T09:34:44Z","title":"Probing Spin Accumulation in Ni/Au/Ni Single-Electron Transistors with Efficient Spin Injection and Detection Electrodes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0612354","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:fd527054620e6d78e62d4664df98893f36aa00be27a184c66257ec125627741d","target":"record","created_at":"2026-05-18T01:39:38Z","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":"af7b97129c6c89e43ebd06fc6459f521359e6c3f2c23ddadd0d5174954b7bae5","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-12-14T09:34:44Z","title_canon_sha256":"c9422c0d7593be90042c53d8c9818f383c584e72a71649aada0ca12555968a1f"},"schema_version":"1.0","source":{"id":"cond-mat/0612354","kind":"arxiv","version":1}},"canonical_sha256":"05a8103939824a65d91ca9e9484c8859dc02ff00e9bf1d8e196513797eea03be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05a8103939824a65d91ca9e9484c8859dc02ff00e9bf1d8e196513797eea03be","first_computed_at":"2026-05-18T01:39:38.822193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:38.822193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LdOMSWwCyMirm11PEtUljDaiVzNFRhNiSLLnZBndQCUnK29mj1bN59Vcig8/KEJAeOFBJBWAHaP8dbGgeNPYDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:38.822941Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0612354","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd527054620e6d78e62d4664df98893f36aa00be27a184c66257ec125627741d","sha256:c91074a9419e7a564a46b04054ef2cbadc414f92ed06d1255e5200f0b2dcfaab"],"state_sha256":"790ef00cdd132a99ccfcc0244524d083776085f51a8489af8930b4f29cf762bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W410vTTQL7cdj/4lECA0vEt2hB0n4XtrG7F5pPvZRlApaAhQ1VzjR1IzJMp9CNpY5+p+DMHELcT2FHFnjMYIAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:40:49.289834Z","bundle_sha256":"5739fc8c312ba0a9c61a143f90749001e7e3535af410de55d7e546149171ce91"}}