{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:A6FJEILAWO7OZRZJ7MU5XR65EC","short_pith_number":"pith:A6FJEILA","canonical_record":{"source":{"id":"1112.2110","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-09T14:37:00Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"7b29aa4c1a8d8a3a85fd13163e204b5ed888ad36c3d46383e2bc1bf98ed5c0c6","abstract_canon_sha256":"5125e1d25cff5189c02f2a47d8af40edd862ea878933d3619432f77ba02b6ab2"},"schema_version":"1.0"},"canonical_sha256":"078a922160b3beecc729fb29dbc7dd20bbc511ef637b8428996da19ff4227d52","source":{"kind":"arxiv","id":"1112.2110","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.2110","created_at":"2026-05-18T01:59:14Z"},{"alias_kind":"arxiv_version","alias_value":"1112.2110v1","created_at":"2026-05-18T01:59:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.2110","created_at":"2026-05-18T01:59:14Z"},{"alias_kind":"pith_short_12","alias_value":"A6FJEILAWO7O","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"A6FJEILAWO7OZRZJ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"A6FJEILA","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:A6FJEILAWO7OZRZJ7MU5XR65EC","target":"record","payload":{"canonical_record":{"source":{"id":"1112.2110","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-09T14:37:00Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"7b29aa4c1a8d8a3a85fd13163e204b5ed888ad36c3d46383e2bc1bf98ed5c0c6","abstract_canon_sha256":"5125e1d25cff5189c02f2a47d8af40edd862ea878933d3619432f77ba02b6ab2"},"schema_version":"1.0"},"canonical_sha256":"078a922160b3beecc729fb29dbc7dd20bbc511ef637b8428996da19ff4227d52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:14.463643Z","signature_b64":"davPxteCSVKqL8e1x6uY3NwR1tWgS2tvOXtb/iB88mulwtro5IbFqg9/y2OqGDxI5aoxJy0fkPRGZaxQKaxeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"078a922160b3beecc729fb29dbc7dd20bbc511ef637b8428996da19ff4227d52","last_reissued_at":"2026-05-18T01:59:14.462894Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:14.462894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.2110","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":"2026-05-18T01:59:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4uSEWhCCQipV4NWbVG0H25nRnMaq7n3IKr0VCzEFtryIgh4nuxvGiuvbkuNk76gNl8d3ekXYFqel9Tj+dmXzAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T07:29:16.904941Z"},"content_sha256":"0da3affeb91637d28e06a8caa5199314f65730a74cbdfea5f355bdad0320c39a","schema_version":"1.0","event_id":"sha256:0da3affeb91637d28e06a8caa5199314f65730a74cbdfea5f355bdad0320c39a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:A6FJEILAWO7OZRZJ7MU5XR65EC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin polarized tunneling in MgO-based tunnel junctions with superconducting electrodes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andy Thomas, Jagadeesh S. Moodera, Oliver Schebaum","submitted_at":"2011-12-09T14:37:00Z","abstract_excerpt":"We prepared magnetic tunnel junctions with one ferromagnetic and one superconducting Al-Si electrode. Pure cobalt electrodes were compared with a Co-Fe-B alloy and the Heusler compound Co2FeAl. The polarization of the tunneling electrons was determined using the Maki-Fulde-model and is discussed along with the spin-orbit scattering and the total pair-breaking parameters. The junctions were post-annealed at different temperatures to investigate the symmetry filtering mechanism responsible for the giant tunneling magnetoresistance ratios in Co-Fe-B/ MgO/ Co-Fe-B junctions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.2110","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":"2026-05-18T01:59:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HGVjxEVmNxLjHBgKS+SKdA4lA/098XTzcuECLjPFclg8H4UiBIHC8yCTGhUq3YHX64jgz6tp+u5ntY25zN5dAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T07:29:16.905300Z"},"content_sha256":"fe3cf1a6198275c0a8587be8e18aabec5372264f2449c17087c7fb2e8185c464","schema_version":"1.0","event_id":"sha256:fe3cf1a6198275c0a8587be8e18aabec5372264f2449c17087c7fb2e8185c464"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A6FJEILAWO7OZRZJ7MU5XR65EC/bundle.json","state_url":"https://pith.science/pith/A6FJEILAWO7OZRZJ7MU5XR65EC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A6FJEILAWO7OZRZJ7MU5XR65EC/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":"2026-06-24T07:29:16Z","links":{"resolver":"https://pith.science/pith/A6FJEILAWO7OZRZJ7MU5XR65EC","bundle":"https://pith.science/pith/A6FJEILAWO7OZRZJ7MU5XR65EC/bundle.json","state":"https://pith.science/pith/A6FJEILAWO7OZRZJ7MU5XR65EC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A6FJEILAWO7OZRZJ7MU5XR65EC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:A6FJEILAWO7OZRZJ7MU5XR65EC","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":"5125e1d25cff5189c02f2a47d8af40edd862ea878933d3619432f77ba02b6ab2","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-09T14:37:00Z","title_canon_sha256":"7b29aa4c1a8d8a3a85fd13163e204b5ed888ad36c3d46383e2bc1bf98ed5c0c6"},"schema_version":"1.0","source":{"id":"1112.2110","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.2110","created_at":"2026-05-18T01:59:14Z"},{"alias_kind":"arxiv_version","alias_value":"1112.2110v1","created_at":"2026-05-18T01:59:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.2110","created_at":"2026-05-18T01:59:14Z"},{"alias_kind":"pith_short_12","alias_value":"A6FJEILAWO7O","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"A6FJEILAWO7OZRZJ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"A6FJEILA","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:fe3cf1a6198275c0a8587be8e18aabec5372264f2449c17087c7fb2e8185c464","target":"graph","created_at":"2026-05-18T01:59:14Z","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 prepared magnetic tunnel junctions with one ferromagnetic and one superconducting Al-Si electrode. Pure cobalt electrodes were compared with a Co-Fe-B alloy and the Heusler compound Co2FeAl. The polarization of the tunneling electrons was determined using the Maki-Fulde-model and is discussed along with the spin-orbit scattering and the total pair-breaking parameters. The junctions were post-annealed at different temperatures to investigate the symmetry filtering mechanism responsible for the giant tunneling magnetoresistance ratios in Co-Fe-B/ MgO/ Co-Fe-B junctions.","authors_text":"Andy Thomas, Jagadeesh S. Moodera, Oliver Schebaum","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-09T14:37:00Z","title":"Spin polarized tunneling in MgO-based tunnel junctions with superconducting electrodes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.2110","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":"sha256:0da3affeb91637d28e06a8caa5199314f65730a74cbdfea5f355bdad0320c39a","target":"record","created_at":"2026-05-18T01:59:14Z","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":"5125e1d25cff5189c02f2a47d8af40edd862ea878933d3619432f77ba02b6ab2","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-09T14:37:00Z","title_canon_sha256":"7b29aa4c1a8d8a3a85fd13163e204b5ed888ad36c3d46383e2bc1bf98ed5c0c6"},"schema_version":"1.0","source":{"id":"1112.2110","kind":"arxiv","version":1}},"canonical_sha256":"078a922160b3beecc729fb29dbc7dd20bbc511ef637b8428996da19ff4227d52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"078a922160b3beecc729fb29dbc7dd20bbc511ef637b8428996da19ff4227d52","first_computed_at":"2026-05-18T01:59:14.462894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:14.462894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"davPxteCSVKqL8e1x6uY3NwR1tWgS2tvOXtb/iB88mulwtro5IbFqg9/y2OqGDxI5aoxJy0fkPRGZaxQKaxeCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:14.463643Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.2110","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0da3affeb91637d28e06a8caa5199314f65730a74cbdfea5f355bdad0320c39a","sha256:fe3cf1a6198275c0a8587be8e18aabec5372264f2449c17087c7fb2e8185c464"],"state_sha256":"7be069044650ceb56acad87f9498590db1b4019e63cf8028003439ad56b768e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u1NWu517S2FA1GEjXzEoRAPaXUUnf/UpeUmqFGJODpxLs+kM+ZcVVh2rbDA5b1/H/coZ2SFNnqeCGoeoLPpFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T07:29:16.907530Z","bundle_sha256":"b3facf3c31fe09ee4a974ce6d5b66fc8f5b9666d08972da8c2ca10f4229dd82e"}}