{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:KCTIEQJKH32FSMKSQRFJQP2PHH","short_pith_number":"pith:KCTIEQJK","canonical_record":{"source":{"id":"1010.4954","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-24T12:15:47Z","cross_cats_sorted":[],"title_canon_sha256":"8e7e1ad0d6eab3d3e0e5c098dc6e0ff2eeb65cb4b1aa3dc78d05e266f9b412b9","abstract_canon_sha256":"3bc4f2b6c50be6fe4ae82a42d533e0456a8ae1fc1f5a48963b2f1de0dbcc3a1e"},"schema_version":"1.0"},"canonical_sha256":"50a682412a3ef4593152844a983f4f39f1c91b3a4f1aa38902f069c708dbfc6d","source":{"kind":"arxiv","id":"1010.4954","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.4954","created_at":"2026-05-18T04:27:26Z"},{"alias_kind":"arxiv_version","alias_value":"1010.4954v1","created_at":"2026-05-18T04:27:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4954","created_at":"2026-05-18T04:27:26Z"},{"alias_kind":"pith_short_12","alias_value":"KCTIEQJKH32F","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KCTIEQJKH32FSMKS","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KCTIEQJK","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:KCTIEQJKH32FSMKSQRFJQP2PHH","target":"record","payload":{"canonical_record":{"source":{"id":"1010.4954","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-24T12:15:47Z","cross_cats_sorted":[],"title_canon_sha256":"8e7e1ad0d6eab3d3e0e5c098dc6e0ff2eeb65cb4b1aa3dc78d05e266f9b412b9","abstract_canon_sha256":"3bc4f2b6c50be6fe4ae82a42d533e0456a8ae1fc1f5a48963b2f1de0dbcc3a1e"},"schema_version":"1.0"},"canonical_sha256":"50a682412a3ef4593152844a983f4f39f1c91b3a4f1aa38902f069c708dbfc6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:26.533995Z","signature_b64":"pgZ2Dn3GCulTBNDztWMN9zpAFPpsFkcMHfTfr/lEcQme/WYn5dZnHDOqJ/mk2m8d0sfMOrn8on6ZjTUv/x9kCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50a682412a3ef4593152844a983f4f39f1c91b3a4f1aa38902f069c708dbfc6d","last_reissued_at":"2026-05-18T04:27:26.533550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:26.533550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.4954","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":"2026-05-18T04:27:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vtolUXmTO/zEMy7i4EPPc3oJgE0/COnt2CViYcGKvw1/JrL0eIWRm+EtsyWfe+DmvPln8De3zHBbXJKPkEVACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:37:35.157120Z"},"content_sha256":"b0097dbec72bb1ecab7ae08de938a620d40822a9dcc7e35ebb9d9c3504b579e9","schema_version":"1.0","event_id":"sha256:b0097dbec72bb1ecab7ae08de938a620d40822a9dcc7e35ebb9d9c3504b579e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:KCTIEQJKH32FSMKSQRFJQP2PHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedback control of noise in spin valves by the spin-transfer torque","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Arne Brataas, Gerrit E. W. Bauer, Swarnali Bandopadhyay","submitted_at":"2010-10-24T12:15:47Z","abstract_excerpt":"The miniaturisation of magnetic read heads and random access memory elements makes them vulnerable to thermal fluctuations. We demonstrate how current-induced spin-transfer torques can be used to suppress the effects of thermal fluctuations. This enhances the fidelity of perpendicular magnetic spin valves. The simplest realization is a dc current to stabilize the free magnetic layers. The power can be significantly reduced without losing fidelity by simple control schemes, in which the stabilizing current-induced spin-transfer torque is controlled by the instantaneous resistance."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4954","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":"2026-05-18T04:27:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HaMPwYAaPOMGpo4qDTZiYds9Q7ma7xOlGODr87PSH+7hpT1lnEJl7t9NVaDIStzm0FqAqqPY8/hgTIoIVGuQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:37:35.157477Z"},"content_sha256":"a830128d8c56109f384fb91d13ba37f77badfcdddd85177a56d84ad142cf6de8","schema_version":"1.0","event_id":"sha256:a830128d8c56109f384fb91d13ba37f77badfcdddd85177a56d84ad142cf6de8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KCTIEQJKH32FSMKSQRFJQP2PHH/bundle.json","state_url":"https://pith.science/pith/KCTIEQJKH32FSMKSQRFJQP2PHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KCTIEQJKH32FSMKSQRFJQP2PHH/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":"2026-05-30T08:37:35Z","links":{"resolver":"https://pith.science/pith/KCTIEQJKH32FSMKSQRFJQP2PHH","bundle":"https://pith.science/pith/KCTIEQJKH32FSMKSQRFJQP2PHH/bundle.json","state":"https://pith.science/pith/KCTIEQJKH32FSMKSQRFJQP2PHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KCTIEQJKH32FSMKSQRFJQP2PHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KCTIEQJKH32FSMKSQRFJQP2PHH","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":"3bc4f2b6c50be6fe4ae82a42d533e0456a8ae1fc1f5a48963b2f1de0dbcc3a1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-24T12:15:47Z","title_canon_sha256":"8e7e1ad0d6eab3d3e0e5c098dc6e0ff2eeb65cb4b1aa3dc78d05e266f9b412b9"},"schema_version":"1.0","source":{"id":"1010.4954","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.4954","created_at":"2026-05-18T04:27:26Z"},{"alias_kind":"arxiv_version","alias_value":"1010.4954v1","created_at":"2026-05-18T04:27:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4954","created_at":"2026-05-18T04:27:26Z"},{"alias_kind":"pith_short_12","alias_value":"KCTIEQJKH32F","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KCTIEQJKH32FSMKS","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KCTIEQJK","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:a830128d8c56109f384fb91d13ba37f77badfcdddd85177a56d84ad142cf6de8","target":"graph","created_at":"2026-05-18T04:27:26Z","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 miniaturisation of magnetic read heads and random access memory elements makes them vulnerable to thermal fluctuations. We demonstrate how current-induced spin-transfer torques can be used to suppress the effects of thermal fluctuations. This enhances the fidelity of perpendicular magnetic spin valves. The simplest realization is a dc current to stabilize the free magnetic layers. The power can be significantly reduced without losing fidelity by simple control schemes, in which the stabilizing current-induced spin-transfer torque is controlled by the instantaneous resistance.","authors_text":"Arne Brataas, Gerrit E. W. Bauer, Swarnali Bandopadhyay","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-24T12:15:47Z","title":"Feedback control of noise in spin valves by the spin-transfer torque"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4954","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:b0097dbec72bb1ecab7ae08de938a620d40822a9dcc7e35ebb9d9c3504b579e9","target":"record","created_at":"2026-05-18T04:27:26Z","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":"3bc4f2b6c50be6fe4ae82a42d533e0456a8ae1fc1f5a48963b2f1de0dbcc3a1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-24T12:15:47Z","title_canon_sha256":"8e7e1ad0d6eab3d3e0e5c098dc6e0ff2eeb65cb4b1aa3dc78d05e266f9b412b9"},"schema_version":"1.0","source":{"id":"1010.4954","kind":"arxiv","version":1}},"canonical_sha256":"50a682412a3ef4593152844a983f4f39f1c91b3a4f1aa38902f069c708dbfc6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50a682412a3ef4593152844a983f4f39f1c91b3a4f1aa38902f069c708dbfc6d","first_computed_at":"2026-05-18T04:27:26.533550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:27:26.533550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pgZ2Dn3GCulTBNDztWMN9zpAFPpsFkcMHfTfr/lEcQme/WYn5dZnHDOqJ/mk2m8d0sfMOrn8on6ZjTUv/x9kCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:27:26.533995Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.4954","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b0097dbec72bb1ecab7ae08de938a620d40822a9dcc7e35ebb9d9c3504b579e9","sha256:a830128d8c56109f384fb91d13ba37f77badfcdddd85177a56d84ad142cf6de8"],"state_sha256":"e1392a18b0ab6a014a88878e4d8ea79317563cc64a963ee67509624777b14348"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dxYdrcvJK4r96QBHGTzF0e2mS3mI0EKbEB3jzR+P/BAXtpxfXMXzlg3ZWWJYd3ZiaQqOyi2lNoHUi//yzy6mDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:37:35.159463Z","bundle_sha256":"ca7f91f53af374b63e0562ef17629308ec9a9ea2fdd5b85bc6436df04f098047"}}