{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:SELW4LUZT5HM2CJ7UHAT5YEWBV","short_pith_number":"pith:SELW4LUZ","canonical_record":{"source":{"id":"1211.3276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-14T11:35:41Z","cross_cats_sorted":[],"title_canon_sha256":"28fc821729a16e1e60666d778bc05d32783e1d9ffe5f3ff5849690e4e192bf13","abstract_canon_sha256":"40c4e245cad88dd82cc3bb9b5fc437ffe8453c2aa714081952d6d504c4e0b310"},"schema_version":"1.0"},"canonical_sha256":"91176e2e999f4ecd093fa1c13ee0960d41be8fa444dd83107a1274749fa6501f","source":{"kind":"arxiv","id":"1211.3276","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3276","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3276v1","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3276","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"pith_short_12","alias_value":"SELW4LUZT5HM","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SELW4LUZT5HM2CJ7","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SELW4LUZ","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:SELW4LUZT5HM2CJ7UHAT5YEWBV","target":"record","payload":{"canonical_record":{"source":{"id":"1211.3276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-14T11:35:41Z","cross_cats_sorted":[],"title_canon_sha256":"28fc821729a16e1e60666d778bc05d32783e1d9ffe5f3ff5849690e4e192bf13","abstract_canon_sha256":"40c4e245cad88dd82cc3bb9b5fc437ffe8453c2aa714081952d6d504c4e0b310"},"schema_version":"1.0"},"canonical_sha256":"91176e2e999f4ecd093fa1c13ee0960d41be8fa444dd83107a1274749fa6501f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:15.793721Z","signature_b64":"Ea5XqiR48REjq4Z91a/FTzJdI7TYKRyscZKSBmu+xk31Rm7ybz5AHpubFv8ycVSI4oV25m8GwsqzqG5sMatsAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91176e2e999f4ecd093fa1c13ee0960d41be8fa444dd83107a1274749fa6501f","last_reissued_at":"2026-05-18T01:53:15.793352Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:15.793352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.3276","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":"2026-05-18T01:53:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i+zH1smUW8/ajjxfackCSJNqSS+GBg9HDm1+tFYl/VwcRUmpCD9Gk2/rDLmcTAom6snAtaZZpVU9whFWKq5lBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:43:35.664005Z"},"content_sha256":"fe3e6c24851fa642835d89b13369ad4169659f95527b4d72f7a4e99318a0be6c","schema_version":"1.0","event_id":"sha256:fe3e6c24851fa642835d89b13369ad4169659f95527b4d72f7a4e99318a0be6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:SELW4LUZT5HM2CJ7UHAT5YEWBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reversal process of a magnetic vortex core under the combined action of a perpendicular field and spin transfer torque","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. E. Ekomasov, A. V. Khvalkovskiy, E. G. Ekomasov, J. Grollier, K. A. Zvezdin, N. Locatelli, Sh. A. Azamatov, V. Cros","submitted_at":"2012-11-14T11:35:41Z","abstract_excerpt":"In a nanopillar with dipolarly coupled vortices, we present an experimental and simulation study to understand how the interplay between the bias field and spin transfer torque impacts reversal of the vortex cores. We find that, depending on the current values, vortex cores might experience different physical mechanisms for their reversal, namely a static or a dynamic switching. We believe that our results might be useful in the context of vortex based non volatile memories, as a current controlled selective core switching is proposed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3276","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":"2026-05-18T01:53:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KjW4GuXkmYDykI2xImfCzlF1Hmk8NH3Dw2la9OG51RVgP9tAwLvftlCg+d11+iIHuwiTIY0ABvgV2gCuaoSNCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:43:35.664383Z"},"content_sha256":"74459fa4b133ae36b3aceb7ece1bfb071edf5d1ac2a7be2e516ee0ec9120af38","schema_version":"1.0","event_id":"sha256:74459fa4b133ae36b3aceb7ece1bfb071edf5d1ac2a7be2e516ee0ec9120af38"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV/bundle.json","state_url":"https://pith.science/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV/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":"2026-05-26T23:43:35Z","links":{"resolver":"https://pith.science/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV","bundle":"https://pith.science/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV/bundle.json","state":"https://pith.science/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SELW4LUZT5HM2CJ7UHAT5YEWBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SELW4LUZT5HM2CJ7UHAT5YEWBV","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":"40c4e245cad88dd82cc3bb9b5fc437ffe8453c2aa714081952d6d504c4e0b310","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-14T11:35:41Z","title_canon_sha256":"28fc821729a16e1e60666d778bc05d32783e1d9ffe5f3ff5849690e4e192bf13"},"schema_version":"1.0","source":{"id":"1211.3276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3276","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3276v1","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3276","created_at":"2026-05-18T01:53:15Z"},{"alias_kind":"pith_short_12","alias_value":"SELW4LUZT5HM","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SELW4LUZT5HM2CJ7","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SELW4LUZ","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:74459fa4b133ae36b3aceb7ece1bfb071edf5d1ac2a7be2e516ee0ec9120af38","target":"graph","created_at":"2026-05-18T01:53:15Z","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":"In a nanopillar with dipolarly coupled vortices, we present an experimental and simulation study to understand how the interplay between the bias field and spin transfer torque impacts reversal of the vortex cores. We find that, depending on the current values, vortex cores might experience different physical mechanisms for their reversal, namely a static or a dynamic switching. We believe that our results might be useful in the context of vortex based non volatile memories, as a current controlled selective core switching is proposed.","authors_text":"A. E. Ekomasov, A. V. Khvalkovskiy, E. G. Ekomasov, J. Grollier, K. A. Zvezdin, N. Locatelli, Sh. A. Azamatov, V. Cros","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-14T11:35:41Z","title":"Reversal process of a magnetic vortex core under the combined action of a perpendicular field and spin transfer torque"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3276","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:fe3e6c24851fa642835d89b13369ad4169659f95527b4d72f7a4e99318a0be6c","target":"record","created_at":"2026-05-18T01:53:15Z","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":"40c4e245cad88dd82cc3bb9b5fc437ffe8453c2aa714081952d6d504c4e0b310","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-14T11:35:41Z","title_canon_sha256":"28fc821729a16e1e60666d778bc05d32783e1d9ffe5f3ff5849690e4e192bf13"},"schema_version":"1.0","source":{"id":"1211.3276","kind":"arxiv","version":1}},"canonical_sha256":"91176e2e999f4ecd093fa1c13ee0960d41be8fa444dd83107a1274749fa6501f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91176e2e999f4ecd093fa1c13ee0960d41be8fa444dd83107a1274749fa6501f","first_computed_at":"2026-05-18T01:53:15.793352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:15.793352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ea5XqiR48REjq4Z91a/FTzJdI7TYKRyscZKSBmu+xk31Rm7ybz5AHpubFv8ycVSI4oV25m8GwsqzqG5sMatsAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:15.793721Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.3276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe3e6c24851fa642835d89b13369ad4169659f95527b4d72f7a4e99318a0be6c","sha256:74459fa4b133ae36b3aceb7ece1bfb071edf5d1ac2a7be2e516ee0ec9120af38"],"state_sha256":"57641ef9f7f96eccca2f4086b14f85ab9043e3599a33d9729316bfdf002b7866"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U16R/qtOHH8m4NmjXHloytMxvk2sTdmYfjajkKlxD9hdUhljZS46XZeU4NPiw3UT0XhLA59uRUcRHWvTkMEcDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:43:35.668525Z","bundle_sha256":"65232784f17836b538c474bfdbcdac83fcabc686536e4ffe240f9611e889d872"}}