{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:FB4MPIFAGTVMUSYSQT6QQXFY6M","short_pith_number":"pith:FB4MPIFA","canonical_record":{"source":{"id":"1402.6388","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-26T01:39:56Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"69808c265d0b52759e7ec6ce639c403e5da5e651ce267c1c6f582c22e104d40b","abstract_canon_sha256":"35d508417f9ea4a168eaf11cb11af7f62baaeedcf2be27a3769b8dd87139c68e"},"schema_version":"1.0"},"canonical_sha256":"2878c7a0a034eaca4b1284fd085cb8f301749074ffa1cd30373a65b99eb81a56","source":{"kind":"arxiv","id":"1402.6388","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6388","created_at":"2026-05-18T01:44:27Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6388v1","created_at":"2026-05-18T01:44:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6388","created_at":"2026-05-18T01:44:27Z"},{"alias_kind":"pith_short_12","alias_value":"FB4MPIFAGTVM","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FB4MPIFAGTVMUSYS","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FB4MPIFA","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:FB4MPIFAGTVMUSYSQT6QQXFY6M","target":"record","payload":{"canonical_record":{"source":{"id":"1402.6388","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-26T01:39:56Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"69808c265d0b52759e7ec6ce639c403e5da5e651ce267c1c6f582c22e104d40b","abstract_canon_sha256":"35d508417f9ea4a168eaf11cb11af7f62baaeedcf2be27a3769b8dd87139c68e"},"schema_version":"1.0"},"canonical_sha256":"2878c7a0a034eaca4b1284fd085cb8f301749074ffa1cd30373a65b99eb81a56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:27.086930Z","signature_b64":"8qaESzXZukW38KxMaGKNajSXaIJ8xEVU2sJMUYP3a5ah3M5Ob6SpxGMQK8p+NmaExHLXmQB7f8yAWrDV67XEBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2878c7a0a034eaca4b1284fd085cb8f301749074ffa1cd30373a65b99eb81a56","last_reissued_at":"2026-05-18T01:44:27.086535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:27.086535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.6388","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":"2026-05-18T01:44:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"svybXNUZji+YENwapT4FoivSwocvAeX0xenxCJtn4iXQMPSUV3rkfJNrnZT1ltG6v5K3AKwmtxgC+CjALP24CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:36:04.561901Z"},"content_sha256":"56674903262ee514ee7e7bf815b77ee1c14b4687b3cf495ea6d1e3f6c1161909","schema_version":"1.0","event_id":"sha256:56674903262ee514ee7e7bf815b77ee1c14b4687b3cf495ea6d1e3f6c1161909"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:FB4MPIFAGTVMUSYSQT6QQXFY6M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anomalous temperature dependence of current induced torques in CoFeB|MgO heterostructures with Ta based underlayers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hideo Ohno, Jaivardhan Sinha, Junyeon Kim, Masamitsu Hayashi, Michihiko Yamanouchi, Saburo Takahashi, Sadamichi Maekawa, Seiji Mitani","submitted_at":"2014-02-26T01:39:56Z","abstract_excerpt":"We have studied the underlayer thickness and temperature dependences of the current induced effective field in CoFeB|MgO heterostructures with Ta based underlayers. The underlayer thickness at which the effective field saturates is found to be different between the two orthogonal components of the effective field, i.e. the damping-like term tends to saturate at smaller underlayer thickness than the field-like term. For large underlayer thickness films in which the effective field saturates, we find that the temperature significantly influences the size of the effective field. A striking differ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6388","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":"2026-05-18T01:44:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3d6b9AgGAyAIa8mgrVmZ2qL0+u7z75gTmaMt04XyFrYQDcQNrUdmSyoQUHwqWqj8X3X1f51Mapq8kF+aBdwgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:36:04.562628Z"},"content_sha256":"a571e39267bf0ef268edbd7e14b6bae6087f8eadbb4608b56a44c704cc73289a","schema_version":"1.0","event_id":"sha256:a571e39267bf0ef268edbd7e14b6bae6087f8eadbb4608b56a44c704cc73289a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M/bundle.json","state_url":"https://pith.science/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M/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":"2026-05-26T12:36:04Z","links":{"resolver":"https://pith.science/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M","bundle":"https://pith.science/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M/bundle.json","state":"https://pith.science/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FB4MPIFAGTVMUSYSQT6QQXFY6M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FB4MPIFAGTVMUSYSQT6QQXFY6M","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":"35d508417f9ea4a168eaf11cb11af7f62baaeedcf2be27a3769b8dd87139c68e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-26T01:39:56Z","title_canon_sha256":"69808c265d0b52759e7ec6ce639c403e5da5e651ce267c1c6f582c22e104d40b"},"schema_version":"1.0","source":{"id":"1402.6388","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6388","created_at":"2026-05-18T01:44:27Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6388v1","created_at":"2026-05-18T01:44:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6388","created_at":"2026-05-18T01:44:27Z"},{"alias_kind":"pith_short_12","alias_value":"FB4MPIFAGTVM","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FB4MPIFAGTVMUSYS","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FB4MPIFA","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:a571e39267bf0ef268edbd7e14b6bae6087f8eadbb4608b56a44c704cc73289a","target":"graph","created_at":"2026-05-18T01:44:27Z","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 have studied the underlayer thickness and temperature dependences of the current induced effective field in CoFeB|MgO heterostructures with Ta based underlayers. The underlayer thickness at which the effective field saturates is found to be different between the two orthogonal components of the effective field, i.e. the damping-like term tends to saturate at smaller underlayer thickness than the field-like term. For large underlayer thickness films in which the effective field saturates, we find that the temperature significantly influences the size of the effective field. A striking differ","authors_text":"Hideo Ohno, Jaivardhan Sinha, Junyeon Kim, Masamitsu Hayashi, Michihiko Yamanouchi, Saburo Takahashi, Sadamichi Maekawa, Seiji Mitani","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-26T01:39:56Z","title":"Anomalous temperature dependence of current induced torques in CoFeB|MgO heterostructures with Ta based underlayers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6388","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":"sha256:56674903262ee514ee7e7bf815b77ee1c14b4687b3cf495ea6d1e3f6c1161909","target":"record","created_at":"2026-05-18T01:44:27Z","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":"35d508417f9ea4a168eaf11cb11af7f62baaeedcf2be27a3769b8dd87139c68e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-26T01:39:56Z","title_canon_sha256":"69808c265d0b52759e7ec6ce639c403e5da5e651ce267c1c6f582c22e104d40b"},"schema_version":"1.0","source":{"id":"1402.6388","kind":"arxiv","version":1}},"canonical_sha256":"2878c7a0a034eaca4b1284fd085cb8f301749074ffa1cd30373a65b99eb81a56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2878c7a0a034eaca4b1284fd085cb8f301749074ffa1cd30373a65b99eb81a56","first_computed_at":"2026-05-18T01:44:27.086535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:27.086535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8qaESzXZukW38KxMaGKNajSXaIJ8xEVU2sJMUYP3a5ah3M5Ob6SpxGMQK8p+NmaExHLXmQB7f8yAWrDV67XEBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:27.086930Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.6388","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56674903262ee514ee7e7bf815b77ee1c14b4687b3cf495ea6d1e3f6c1161909","sha256:a571e39267bf0ef268edbd7e14b6bae6087f8eadbb4608b56a44c704cc73289a"],"state_sha256":"eaf18537a7746847451b281557d35031a1914140614c2f982f0faf1db9780f39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VPVlUPEVVlBut18ZMiYw9bqeRVJU93/5RoNP6eUcEik5JxEc5tSEzbhRnufe+NBZfOJ7DfmBKtAbgLTPwpfdBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:36:04.566377Z","bundle_sha256":"eeaeee518e5c19ada25cdaf0c74f372f8dd8c12785fc24eca3ef870770466f45"}}