{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:X2EWFC32M54CMF7HF72JUBN66K","short_pith_number":"pith:X2EWFC32","canonical_record":{"source":{"id":"1402.4396","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-02-18T16:43:58Z","cross_cats_sorted":[],"title_canon_sha256":"60ca2b5c19324dec1682f2312887ba5172639f54c53d3a37d3941e1093b2f2da","abstract_canon_sha256":"43efe8bac0338a87b7651c39a25407085db86333240ef41ccf7e6709c76d30eb"},"schema_version":"1.0"},"canonical_sha256":"be89628b7a67782617e72ff49a05bef2a63c33c2f4020ff724d639ae315f52ab","source":{"kind":"arxiv","id":"1402.4396","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.4396","created_at":"2026-05-18T02:50:00Z"},{"alias_kind":"arxiv_version","alias_value":"1402.4396v2","created_at":"2026-05-18T02:50:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4396","created_at":"2026-05-18T02:50:00Z"},{"alias_kind":"pith_short_12","alias_value":"X2EWFC32M54C","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"X2EWFC32M54CMF7H","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"X2EWFC32","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:X2EWFC32M54CMF7HF72JUBN66K","target":"record","payload":{"canonical_record":{"source":{"id":"1402.4396","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-02-18T16:43:58Z","cross_cats_sorted":[],"title_canon_sha256":"60ca2b5c19324dec1682f2312887ba5172639f54c53d3a37d3941e1093b2f2da","abstract_canon_sha256":"43efe8bac0338a87b7651c39a25407085db86333240ef41ccf7e6709c76d30eb"},"schema_version":"1.0"},"canonical_sha256":"be89628b7a67782617e72ff49a05bef2a63c33c2f4020ff724d639ae315f52ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:00.572568Z","signature_b64":"G/DTqEXS//BecE+Kgk2TtTo0wrMY2aE+G6hiiaU2OE7dXM8zYYEfXBfDgGynGIxB4dk4BvwqAh9B83u34YKUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be89628b7a67782617e72ff49a05bef2a63c33c2f4020ff724d639ae315f52ab","last_reissued_at":"2026-05-18T02:50:00.571980Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:00.571980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.4396","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:50:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aj2dMB6VFoajQ+2oW+7Q8TIqQ2eD7evisf8W4DHg14LtvOi7IDSw3rGc0qbyMcI+6Hx++K828fGV4mzoC6NMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:15:46.217591Z"},"content_sha256":"2417a35486f031bef0578d881a6f4ab15a27a798d90b6915bd6ffa120208dc86","schema_version":"1.0","event_id":"sha256:2417a35486f031bef0578d881a6f4ab15a27a798d90b6915bd6ffa120208dc86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:X2EWFC32M54CMF7HF72JUBN66K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interplay of growth mode and thermally induced spin accumulation in epitaxial Al/Co$_2$TiSi/Al and Al/Co$_2$TiGe/Al contacts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Benjamin Geisler, Peter Kratzer, Voicu Popescu","submitted_at":"2014-02-18T16:43:58Z","abstract_excerpt":"The feasibility of thermally driven spin injectors built from half-metallic Heusler alloys inserted between aluminum leads was investigated by means of {\\em ab initio} calculations of the thermodynamic equilibrium and electronic transport. We have focused on two main issues and found that: (i) the interface between Al and the closely lattice-matched Heusler alloys of type Co$_2$Ti$Z$ ($Z=$ Si or Ge) is stable under various growth conditions; and (ii) the conventional and spin-dependent Seebeck coefficients in such heterojunctions exhibit a strong dependence on both the spacer and the atomic co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4396","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:50:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YobnrweT3cYvkNlEXplE1Z96CTcpTsfGT+Ui1a8dRh/l1YI9NHIGZPjFCNY365ydgUKkfODl9BUk/U9j9Qp3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:15:46.218291Z"},"content_sha256":"0f648ddf0228acb6c491831d378e912b61a3d559a859643b014cd7b5d3f7d6eb","schema_version":"1.0","event_id":"sha256:0f648ddf0228acb6c491831d378e912b61a3d559a859643b014cd7b5d3f7d6eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X2EWFC32M54CMF7HF72JUBN66K/bundle.json","state_url":"https://pith.science/pith/X2EWFC32M54CMF7HF72JUBN66K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X2EWFC32M54CMF7HF72JUBN66K/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":"2026-05-26T03:15:46Z","links":{"resolver":"https://pith.science/pith/X2EWFC32M54CMF7HF72JUBN66K","bundle":"https://pith.science/pith/X2EWFC32M54CMF7HF72JUBN66K/bundle.json","state":"https://pith.science/pith/X2EWFC32M54CMF7HF72JUBN66K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X2EWFC32M54CMF7HF72JUBN66K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:X2EWFC32M54CMF7HF72JUBN66K","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":"43efe8bac0338a87b7651c39a25407085db86333240ef41ccf7e6709c76d30eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-02-18T16:43:58Z","title_canon_sha256":"60ca2b5c19324dec1682f2312887ba5172639f54c53d3a37d3941e1093b2f2da"},"schema_version":"1.0","source":{"id":"1402.4396","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.4396","created_at":"2026-05-18T02:50:00Z"},{"alias_kind":"arxiv_version","alias_value":"1402.4396v2","created_at":"2026-05-18T02:50:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4396","created_at":"2026-05-18T02:50:00Z"},{"alias_kind":"pith_short_12","alias_value":"X2EWFC32M54C","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"X2EWFC32M54CMF7H","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"X2EWFC32","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:0f648ddf0228acb6c491831d378e912b61a3d559a859643b014cd7b5d3f7d6eb","target":"graph","created_at":"2026-05-18T02:50:00Z","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":"The feasibility of thermally driven spin injectors built from half-metallic Heusler alloys inserted between aluminum leads was investigated by means of {\\em ab initio} calculations of the thermodynamic equilibrium and electronic transport. We have focused on two main issues and found that: (i) the interface between Al and the closely lattice-matched Heusler alloys of type Co$_2$Ti$Z$ ($Z=$ Si or Ge) is stable under various growth conditions; and (ii) the conventional and spin-dependent Seebeck coefficients in such heterojunctions exhibit a strong dependence on both the spacer and the atomic co","authors_text":"Benjamin Geisler, Peter Kratzer, Voicu Popescu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-02-18T16:43:58Z","title":"Interplay of growth mode and thermally induced spin accumulation in epitaxial Al/Co$_2$TiSi/Al and Al/Co$_2$TiGe/Al contacts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4396","kind":"arxiv","version":2},"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":"sha256:2417a35486f031bef0578d881a6f4ab15a27a798d90b6915bd6ffa120208dc86","target":"record","created_at":"2026-05-18T02:50:00Z","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":"43efe8bac0338a87b7651c39a25407085db86333240ef41ccf7e6709c76d30eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-02-18T16:43:58Z","title_canon_sha256":"60ca2b5c19324dec1682f2312887ba5172639f54c53d3a37d3941e1093b2f2da"},"schema_version":"1.0","source":{"id":"1402.4396","kind":"arxiv","version":2}},"canonical_sha256":"be89628b7a67782617e72ff49a05bef2a63c33c2f4020ff724d639ae315f52ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be89628b7a67782617e72ff49a05bef2a63c33c2f4020ff724d639ae315f52ab","first_computed_at":"2026-05-18T02:50:00.571980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:00.571980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G/DTqEXS//BecE+Kgk2TtTo0wrMY2aE+G6hiiaU2OE7dXM8zYYEfXBfDgGynGIxB4dk4BvwqAh9B83u34YKUAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:00.572568Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.4396","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2417a35486f031bef0578d881a6f4ab15a27a798d90b6915bd6ffa120208dc86","sha256:0f648ddf0228acb6c491831d378e912b61a3d559a859643b014cd7b5d3f7d6eb"],"state_sha256":"f54a333cba35fdad5fff87a13778321d3a5af4b3ad8e842281dbc0b38be17167"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TstMISp15JQXuuOCJjCAbr3dX5bRWV0OYoebVmcpa0TShvYB9oi5iOPCegBHxS9Dy0oMIvbhCYwGQ3ca0Jl1Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T03:15:46.221797Z","bundle_sha256":"fba2292af693fd16c8637f0361ef9c615bf27a90b6e1cdc2bf7159022bf750d6"}}