{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:YKXARE7VVYW2AYSKELNIWT6IP2","short_pith_number":"pith:YKXARE7V","canonical_record":{"source":{"id":"1204.5851","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-26T07:34:19Z","cross_cats_sorted":[],"title_canon_sha256":"62bb03ce4a7281167a3f3b7a4fa4f0375f0f392ad5f4ef68fbb1af79f6b58362","abstract_canon_sha256":"065d173a1deb9b7fbde1420ff03afeaed3758a1ab2da744adb7ad1ce5abd7d9d"},"schema_version":"1.0"},"canonical_sha256":"c2ae0893f5ae2da0624a22da8b4fc87e9f974bf63133364a227e08fbf6363828","source":{"kind":"arxiv","id":"1204.5851","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.5851","created_at":"2026-05-18T03:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"1204.5851v1","created_at":"2026-05-18T03:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5851","created_at":"2026-05-18T03:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"YKXARE7VVYW2","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"YKXARE7VVYW2AYSK","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"YKXARE7V","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:YKXARE7VVYW2AYSKELNIWT6IP2","target":"record","payload":{"canonical_record":{"source":{"id":"1204.5851","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-26T07:34:19Z","cross_cats_sorted":[],"title_canon_sha256":"62bb03ce4a7281167a3f3b7a4fa4f0375f0f392ad5f4ef68fbb1af79f6b58362","abstract_canon_sha256":"065d173a1deb9b7fbde1420ff03afeaed3758a1ab2da744adb7ad1ce5abd7d9d"},"schema_version":"1.0"},"canonical_sha256":"c2ae0893f5ae2da0624a22da8b4fc87e9f974bf63133364a227e08fbf6363828","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:56:59.268015Z","signature_b64":"ZETvhmcsdxsS5BcU3qKXKo1q7Xkv5Q6mSjn4UJgAqj2gpKJboPFULCKfMhs4TG1YoeWzD4Ubs11L/Jcm1TSVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2ae0893f5ae2da0624a22da8b4fc87e9f974bf63133364a227e08fbf6363828","last_reissued_at":"2026-05-18T03:56:59.267060Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:56:59.267060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.5851","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":"2026-05-18T03:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fw4pgk7Galn48BZUlm0i/wqOo6kLD5RvMINdDr+wOwX52D9GwhoiXKCzo6IoaPwa+EJtSUjQIUKqI+bJ5WngAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:43:11.206425Z"},"content_sha256":"6b6999fbfb1d77605b57eea91d2a0af5fb6d8fbe346ce082b0a0b1e8964c9555","schema_version":"1.0","event_id":"sha256:6b6999fbfb1d77605b57eea91d2a0af5fb6d8fbe346ce082b0a0b1e8964c9555"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:YKXARE7VVYW2AYSKELNIWT6IP2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunneling in double barrier junctions with 'hot spots'","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Tiusan, D. Herranz, F. G. Aliev, J. Barnas, M. Hehn, V. K. Dugaev","submitted_at":"2012-04-26T07:34:19Z","abstract_excerpt":"We investigate electronic transport in epitaxial Fe(100)/MgO/Fe/MgO/Fe double magnetic tunnel junctions with soft barrier breakdown (hot spots). Specificity of these junctions are continious middle layer and Nitrogen doping of the MgO barriers which provides soft breakdown at biases about 0.5V. In the junctions with hot spots we observe quasi-periodic changes in the resistance as a function of bias voltage which point out formation of quantum well states in the middle Fe continuous free layer. The room-temperature oscillations have been observed in both parallel and antiparallel magnetic confi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5851","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":"2026-05-18T03:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dp+dgDBdquVenr+yiUSTeiIAZVIkdNc8WjLmEdn83L3sZAP+eE/DN8Qcro5OgaQMoEE74ei7aIwBgqgY6Fv4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:43:11.206790Z"},"content_sha256":"e7193508c299755598b7d74d2bdff106bb2fe1f657552768235ce239e906f54c","schema_version":"1.0","event_id":"sha256:e7193508c299755598b7d74d2bdff106bb2fe1f657552768235ce239e906f54c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YKXARE7VVYW2AYSKELNIWT6IP2/bundle.json","state_url":"https://pith.science/pith/YKXARE7VVYW2AYSKELNIWT6IP2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YKXARE7VVYW2AYSKELNIWT6IP2/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":"2026-05-27T14:43:11Z","links":{"resolver":"https://pith.science/pith/YKXARE7VVYW2AYSKELNIWT6IP2","bundle":"https://pith.science/pith/YKXARE7VVYW2AYSKELNIWT6IP2/bundle.json","state":"https://pith.science/pith/YKXARE7VVYW2AYSKELNIWT6IP2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YKXARE7VVYW2AYSKELNIWT6IP2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:YKXARE7VVYW2AYSKELNIWT6IP2","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":"065d173a1deb9b7fbde1420ff03afeaed3758a1ab2da744adb7ad1ce5abd7d9d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-26T07:34:19Z","title_canon_sha256":"62bb03ce4a7281167a3f3b7a4fa4f0375f0f392ad5f4ef68fbb1af79f6b58362"},"schema_version":"1.0","source":{"id":"1204.5851","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.5851","created_at":"2026-05-18T03:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"1204.5851v1","created_at":"2026-05-18T03:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5851","created_at":"2026-05-18T03:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"YKXARE7VVYW2","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"YKXARE7VVYW2AYSK","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"YKXARE7V","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:e7193508c299755598b7d74d2bdff106bb2fe1f657552768235ce239e906f54c","target":"graph","created_at":"2026-05-18T03:56:59Z","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 investigate electronic transport in epitaxial Fe(100)/MgO/Fe/MgO/Fe double magnetic tunnel junctions with soft barrier breakdown (hot spots). Specificity of these junctions are continious middle layer and Nitrogen doping of the MgO barriers which provides soft breakdown at biases about 0.5V. In the junctions with hot spots we observe quasi-periodic changes in the resistance as a function of bias voltage which point out formation of quantum well states in the middle Fe continuous free layer. The room-temperature oscillations have been observed in both parallel and antiparallel magnetic confi","authors_text":"C. Tiusan, D. Herranz, F. G. Aliev, J. Barnas, M. Hehn, V. K. Dugaev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-26T07:34:19Z","title":"Tunneling in double barrier junctions with 'hot spots'"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5851","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":"sha256:6b6999fbfb1d77605b57eea91d2a0af5fb6d8fbe346ce082b0a0b1e8964c9555","target":"record","created_at":"2026-05-18T03:56:59Z","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":"065d173a1deb9b7fbde1420ff03afeaed3758a1ab2da744adb7ad1ce5abd7d9d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-26T07:34:19Z","title_canon_sha256":"62bb03ce4a7281167a3f3b7a4fa4f0375f0f392ad5f4ef68fbb1af79f6b58362"},"schema_version":"1.0","source":{"id":"1204.5851","kind":"arxiv","version":1}},"canonical_sha256":"c2ae0893f5ae2da0624a22da8b4fc87e9f974bf63133364a227e08fbf6363828","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2ae0893f5ae2da0624a22da8b4fc87e9f974bf63133364a227e08fbf6363828","first_computed_at":"2026-05-18T03:56:59.267060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:59.267060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZETvhmcsdxsS5BcU3qKXKo1q7Xkv5Q6mSjn4UJgAqj2gpKJboPFULCKfMhs4TG1YoeWzD4Ubs11L/Jcm1TSVCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:59.268015Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.5851","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b6999fbfb1d77605b57eea91d2a0af5fb6d8fbe346ce082b0a0b1e8964c9555","sha256:e7193508c299755598b7d74d2bdff106bb2fe1f657552768235ce239e906f54c"],"state_sha256":"9ca22369b3b058e7f3dc25f72d30d443761d690edfd57db8e86e01a879368f91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jic4CPD62dbAhL+hTbqSUvOq6qmL9YWOEE4OfyVupOohadru04uBRD9PAGlt++sjdI4jnW22vz1zhnyQzjdjBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:43:11.209610Z","bundle_sha256":"fdf2e6d86d8527c20a7de37c5e4c24de75e74d595fbb699996327e1d744501d8"}}