{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:OM5I2XOHARBFOYQMVXIOJ4W7JA","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":"723dfa27695d3e9a78ef7fcfc448bed4b40f20819b30afc7371077a75ad21d30","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-02-11T13:50:26Z","title_canon_sha256":"75f8c915fdca25e9afbd0d0e98b90b01a4affd7aa9cbe7af573ed5d67d0c5a65"},"schema_version":"1.0","source":{"id":"0802.1436","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.1436","created_at":"2026-05-18T03:24:43Z"},{"alias_kind":"arxiv_version","alias_value":"0802.1436v1","created_at":"2026-05-18T03:24:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.1436","created_at":"2026-05-18T03:24:43Z"},{"alias_kind":"pith_short_12","alias_value":"OM5I2XOHARBF","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"OM5I2XOHARBFOYQM","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"OM5I2XOH","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:b8a94620232f2f524479e7f147be1cc9c06f4ae2650fb9b092a5e6ca37872371","target":"graph","created_at":"2026-05-18T03:24:43Z","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":"Recent fabrication of atomic precision nanodevices for spintronics greatly boosted their performance and also revealed new interesting features, as oscillating magnetoresistance with number of atomic layers in a multilayered structure. This motivates the need to go beyond the usual theoretical approach of semi-classical continuous layers. Here the simple tight-binding dynamics is used to describe quantum conduction in a multicomponent system with spin-polarized electrodes separated by an ultrathin and atomically coherent non-magnetic spacer (either metallic or insulating). A possibility is ind","authors_text":"H.G. Silva, Y.G. Pogorelov","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-02-11T13:50:26Z","title":"Quantum effects for ballistic transport in spintronic devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.1436","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":"sha256:96a4e61163458022a90ea1a1d79c24e090c9ade04903e8353ea7d05116cdb278","target":"record","created_at":"2026-05-18T03:24:43Z","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":"723dfa27695d3e9a78ef7fcfc448bed4b40f20819b30afc7371077a75ad21d30","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-02-11T13:50:26Z","title_canon_sha256":"75f8c915fdca25e9afbd0d0e98b90b01a4affd7aa9cbe7af573ed5d67d0c5a65"},"schema_version":"1.0","source":{"id":"0802.1436","kind":"arxiv","version":1}},"canonical_sha256":"733a8d5dc7044257620cadd0e4f2df482691a70b6d66225c960c45fcc10039be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"733a8d5dc7044257620cadd0e4f2df482691a70b6d66225c960c45fcc10039be","first_computed_at":"2026-05-18T03:24:43.099776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:43.099776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5tebnndsO7+FMC0gr62Ohs1NyIt1LLHcwi+JhKxb/pAjbmiDiy1DKr4uM3ZmrukN+ieyeSIJt4Uz7ZQLYdgvCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:43.100376Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.1436","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96a4e61163458022a90ea1a1d79c24e090c9ade04903e8353ea7d05116cdb278","sha256:b8a94620232f2f524479e7f147be1cc9c06f4ae2650fb9b092a5e6ca37872371"],"state_sha256":"5a3d79d77a6efe2b74f30930951a33ab0c232fe2b589801d744be9961e8ae061"}