{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:HIVYS6TMX77TW5QCCYHPQKETDO","short_pith_number":"pith:HIVYS6TM","schema_version":"1.0","canonical_sha256":"3a2b897a6cbfff3b7602160ef828931bb8b7d089886697d6251d5afbaa68b75d","source":{"kind":"arxiv","id":"1212.2353","version":2},"attestation_state":"computed","paper":{"title":"Contribution of defects to the spin relaxation in copper nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Estitxu Villamor, F\\`elix Casanova, Luis E. Hueso, Miren Isasa","submitted_at":"2012-12-11T09:41:08Z","abstract_excerpt":"The contributions to the spin relaxation in copper (Cu) nanowires are quantified by carefully analyzing measurements of both charge and spin transport in lateral spin valves as a function of temperature and thickness. The temperature dependence of the spin-flip scattering solely arises from the scattering with phonons, as in bulk Cu, whereas we identify grain boundaries as the main temperature-independent contribution of the defects in the nanowires. A puzzling maximum in the spin diffusion length of Cu at low temperatures is found, which can be explained by the presence of magnetic impurities"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1212.2353","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-11T09:41:08Z","cross_cats_sorted":[],"title_canon_sha256":"3f8038e2f158e45d5c8082339cd82e7b50f5a0b66833ee5094a5c79de44c06ab","abstract_canon_sha256":"0484d736c99cd20244ec0b4b59bd5fefb2f8048eb11d4d611826b6da12656bce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:29:06.464109Z","signature_b64":"1DBTWCzqlgbePO7N+GIVKERjRw0/4t1yg5NSjKhbEJ0s7L6KIQ2yAEMaHPphr8R+xq6jUeT0Yt6bcZi5AfuRAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a2b897a6cbfff3b7602160ef828931bb8b7d089886697d6251d5afbaa68b75d","last_reissued_at":"2026-05-18T03:29:06.463707Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:29:06.463707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Contribution of defects to the spin relaxation in copper nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Estitxu Villamor, F\\`elix Casanova, Luis E. Hueso, Miren Isasa","submitted_at":"2012-12-11T09:41:08Z","abstract_excerpt":"The contributions to the spin relaxation in copper (Cu) nanowires are quantified by carefully analyzing measurements of both charge and spin transport in lateral spin valves as a function of temperature and thickness. The temperature dependence of the spin-flip scattering solely arises from the scattering with phonons, as in bulk Cu, whereas we identify grain boundaries as the main temperature-independent contribution of the defects in the nanowires. A puzzling maximum in the spin diffusion length of Cu at low temperatures is found, which can be explained by the presence of magnetic impurities"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2353","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1212.2353","created_at":"2026-05-18T03:29:06.463766+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.2353v2","created_at":"2026-05-18T03:29:06.463766+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2353","created_at":"2026-05-18T03:29:06.463766+00:00"},{"alias_kind":"pith_short_12","alias_value":"HIVYS6TMX77T","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"HIVYS6TMX77TW5QC","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"HIVYS6TM","created_at":"2026-05-18T12:27:09.501522+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO","json":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO.json","graph_json":"https://pith.science/api/pith-number/HIVYS6TMX77TW5QCCYHPQKETDO/graph.json","events_json":"https://pith.science/api/pith-number/HIVYS6TMX77TW5QCCYHPQKETDO/events.json","paper":"https://pith.science/paper/HIVYS6TM"},"agent_actions":{"view_html":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO","download_json":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO.json","view_paper":"https://pith.science/paper/HIVYS6TM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.2353&json=true","fetch_graph":"https://pith.science/api/pith-number/HIVYS6TMX77TW5QCCYHPQKETDO/graph.json","fetch_events":"https://pith.science/api/pith-number/HIVYS6TMX77TW5QCCYHPQKETDO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO/action/storage_attestation","attest_author":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO/action/author_attestation","sign_citation":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO/action/citation_signature","submit_replication":"https://pith.science/pith/HIVYS6TMX77TW5QCCYHPQKETDO/action/replication_record"}},"created_at":"2026-05-18T03:29:06.463766+00:00","updated_at":"2026-05-18T03:29:06.463766+00:00"}