{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TFBVKVXP2CUP2NGHG24PH22NDD","short_pith_number":"pith:TFBVKVXP","canonical_record":{"source":{"id":"1202.4218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-20T04:06:17Z","cross_cats_sorted":[],"title_canon_sha256":"bc9c2de41184f98511aeb6ef05780e098c97699364cb09b7dcafe24b0548afc8","abstract_canon_sha256":"dbaa5441ae71c64052586acf23c084d78455192023c922cd98c209fe64ccb53e"},"schema_version":"1.0"},"canonical_sha256":"99435556efd0a8fd34c736b8f3eb4d18fe47a612618d2ed6e6387a693ff25c56","source":{"kind":"arxiv","id":"1202.4218","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.4218","created_at":"2026-05-18T04:01:52Z"},{"alias_kind":"arxiv_version","alias_value":"1202.4218v1","created_at":"2026-05-18T04:01:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4218","created_at":"2026-05-18T04:01:52Z"},{"alias_kind":"pith_short_12","alias_value":"TFBVKVXP2CUP","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TFBVKVXP2CUP2NGH","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TFBVKVXP","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TFBVKVXP2CUP2NGHG24PH22NDD","target":"record","payload":{"canonical_record":{"source":{"id":"1202.4218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-20T04:06:17Z","cross_cats_sorted":[],"title_canon_sha256":"bc9c2de41184f98511aeb6ef05780e098c97699364cb09b7dcafe24b0548afc8","abstract_canon_sha256":"dbaa5441ae71c64052586acf23c084d78455192023c922cd98c209fe64ccb53e"},"schema_version":"1.0"},"canonical_sha256":"99435556efd0a8fd34c736b8f3eb4d18fe47a612618d2ed6e6387a693ff25c56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:52.023673Z","signature_b64":"yiAoMS9YQ9TZHLHhbEaK2ncz49VN7N59GkmvncSDWZHfS6YcioqAp1H966jOqp31NR/6JQdSJqr8JN0veml4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99435556efd0a8fd34c736b8f3eb4d18fe47a612618d2ed6e6387a693ff25c56","last_reissued_at":"2026-05-18T04:01:52.023176Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:52.023176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.4218","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":"2026-05-18T04:01:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C6U23MHtFA+rlT7GXpbF7DVvMtzN5DClY2K9/OnQnCiOGzrlN6b8YFSTigJgNx+AcNVgDnuLc/CLVtDp7V0ABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:47:50.878680Z"},"content_sha256":"0ac65f006b65a8913c9fffbd89a39ed8f93c0a8c4ec6fdcd41f499fd9315081d","schema_version":"1.0","event_id":"sha256:0ac65f006b65a8913c9fffbd89a39ed8f93c0a8c4ec6fdcd41f499fd9315081d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TFBVKVXP2CUP2NGHG24PH22NDD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stress in Spin-Valve Nanopillars due to Spin Transfer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hao Yu","submitted_at":"2012-02-20T04:06:17Z","abstract_excerpt":"We report a mechanical effect in spin-valve nanopillars due to spin transfer. A polarized current carrying electron spins transfers torque to local magnetization and leads to a magnetic switching of free layer. Like classical Einstein-de Haas effect, the conservation of angular momentum needs the free layer to offset the change of angular momentum and then a mechanical rotation occurs. The free layer is not free standing, so the mechanical angular momentum will be revealed as stress and strain. We study the effect of a spin induced stress in a nanopillar device with in-plane magnetization. Our"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4218","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":"2026-05-18T04:01:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iR302O8gZVBzfVsKVzpJbW8yj877gYM+4P7kX2RlaRsrAqJtNqMgBZ49pagtdiySXAg0XRSlAqorTqZ5+RXICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:47:50.879328Z"},"content_sha256":"b31ac46a75924d5d712ee2ff4691e3471f4296a881c319fe4c2155c722223bd4","schema_version":"1.0","event_id":"sha256:b31ac46a75924d5d712ee2ff4691e3471f4296a881c319fe4c2155c722223bd4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TFBVKVXP2CUP2NGHG24PH22NDD/bundle.json","state_url":"https://pith.science/pith/TFBVKVXP2CUP2NGHG24PH22NDD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TFBVKVXP2CUP2NGHG24PH22NDD/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":"2026-06-04T02:47:50Z","links":{"resolver":"https://pith.science/pith/TFBVKVXP2CUP2NGHG24PH22NDD","bundle":"https://pith.science/pith/TFBVKVXP2CUP2NGHG24PH22NDD/bundle.json","state":"https://pith.science/pith/TFBVKVXP2CUP2NGHG24PH22NDD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TFBVKVXP2CUP2NGHG24PH22NDD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TFBVKVXP2CUP2NGHG24PH22NDD","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":"dbaa5441ae71c64052586acf23c084d78455192023c922cd98c209fe64ccb53e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-20T04:06:17Z","title_canon_sha256":"bc9c2de41184f98511aeb6ef05780e098c97699364cb09b7dcafe24b0548afc8"},"schema_version":"1.0","source":{"id":"1202.4218","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.4218","created_at":"2026-05-18T04:01:52Z"},{"alias_kind":"arxiv_version","alias_value":"1202.4218v1","created_at":"2026-05-18T04:01:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4218","created_at":"2026-05-18T04:01:52Z"},{"alias_kind":"pith_short_12","alias_value":"TFBVKVXP2CUP","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TFBVKVXP2CUP2NGH","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TFBVKVXP","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:b31ac46a75924d5d712ee2ff4691e3471f4296a881c319fe4c2155c722223bd4","target":"graph","created_at":"2026-05-18T04:01:52Z","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 report a mechanical effect in spin-valve nanopillars due to spin transfer. A polarized current carrying electron spins transfers torque to local magnetization and leads to a magnetic switching of free layer. Like classical Einstein-de Haas effect, the conservation of angular momentum needs the free layer to offset the change of angular momentum and then a mechanical rotation occurs. The free layer is not free standing, so the mechanical angular momentum will be revealed as stress and strain. We study the effect of a spin induced stress in a nanopillar device with in-plane magnetization. Our","authors_text":"Hao Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-20T04:06:17Z","title":"Stress in Spin-Valve Nanopillars due to Spin Transfer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4218","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":"sha256:0ac65f006b65a8913c9fffbd89a39ed8f93c0a8c4ec6fdcd41f499fd9315081d","target":"record","created_at":"2026-05-18T04:01:52Z","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":"dbaa5441ae71c64052586acf23c084d78455192023c922cd98c209fe64ccb53e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-02-20T04:06:17Z","title_canon_sha256":"bc9c2de41184f98511aeb6ef05780e098c97699364cb09b7dcafe24b0548afc8"},"schema_version":"1.0","source":{"id":"1202.4218","kind":"arxiv","version":1}},"canonical_sha256":"99435556efd0a8fd34c736b8f3eb4d18fe47a612618d2ed6e6387a693ff25c56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99435556efd0a8fd34c736b8f3eb4d18fe47a612618d2ed6e6387a693ff25c56","first_computed_at":"2026-05-18T04:01:52.023176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:52.023176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yiAoMS9YQ9TZHLHhbEaK2ncz49VN7N59GkmvncSDWZHfS6YcioqAp1H966jOqp31NR/6JQdSJqr8JN0veml4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:52.023673Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.4218","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ac65f006b65a8913c9fffbd89a39ed8f93c0a8c4ec6fdcd41f499fd9315081d","sha256:b31ac46a75924d5d712ee2ff4691e3471f4296a881c319fe4c2155c722223bd4"],"state_sha256":"08884fc9fe862c1dc96cc712bb8932ff30128fb7cbcd52d34b261870e9c41d1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yp2yjJNT7S0EVYrIMz4LjJgeIEatEyWKI3z+VwY30cTczipP0TReMdldEvpIry255FkB8sAd5kId6wC/voGJBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:47:50.882635Z","bundle_sha256":"f71d466263e0e3267353f897b39968072fdd1dab4288ebc1e98a20444c6e6508"}}