{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UIZHKONU7RKELFVSDL75BYNIFM","short_pith_number":"pith:UIZHKONU","canonical_record":{"source":{"id":"1305.3686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-16T05:53:19Z","cross_cats_sorted":[],"title_canon_sha256":"8fb1a1eb78f1a5aad2d1f2e20cace16f628fb41ec5192d08ed9949fcd1c7b340","abstract_canon_sha256":"8ef1a19a561752a829e2c8c031076eb260d472a82cb32ea0c5e0b41a7ee0bdc6"},"schema_version":"1.0"},"canonical_sha256":"a2327539b4fc544596b21affd0e1a82b23c62f6a8b8f2c3605476d7b8f266a83","source":{"kind":"arxiv","id":"1305.3686","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.3686","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"arxiv_version","alias_value":"1305.3686v1","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3686","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"pith_short_12","alias_value":"UIZHKONU7RKE","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UIZHKONU7RKELFVS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UIZHKONU","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UIZHKONU7RKELFVSDL75BYNIFM","target":"record","payload":{"canonical_record":{"source":{"id":"1305.3686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-16T05:53:19Z","cross_cats_sorted":[],"title_canon_sha256":"8fb1a1eb78f1a5aad2d1f2e20cace16f628fb41ec5192d08ed9949fcd1c7b340","abstract_canon_sha256":"8ef1a19a561752a829e2c8c031076eb260d472a82cb32ea0c5e0b41a7ee0bdc6"},"schema_version":"1.0"},"canonical_sha256":"a2327539b4fc544596b21affd0e1a82b23c62f6a8b8f2c3605476d7b8f266a83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:16.860835Z","signature_b64":"whGs8lCACL59a8Rs6DvgyXZQRnDr/0p11PFxsYPzCqvnkqjalHSNbpWCTO2IWsdjYW3o5KdoyI+TZ+qOMkTnAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2327539b4fc544596b21affd0e1a82b23c62f6a8b8f2c3605476d7b8f266a83","last_reissued_at":"2026-05-18T03:22:16.860360Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:16.860360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.3686","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":"2026-05-18T03:22:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dxzlrY4yfsfhXuddaaFkHKMdEJemEZjOofewqoXeZnQ8hL4jDZdhtYN280tVVxU3DKUBo7j/4jTNK1+zWcWTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:03:21.558650Z"},"content_sha256":"bbb1d5ca38c6ebd0770955fc2c3e118263b0986bd15d7478e32cbe447b965221","schema_version":"1.0","event_id":"sha256:bbb1d5ca38c6ebd0770955fc2c3e118263b0986bd15d7478e32cbe447b965221"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UIZHKONU7RKELFVSDL75BYNIFM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Size-dependent magnetization switching characteristics and spin wave modes of FePt nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. A. Gilbert, F. Ganss, H. Schmidt, Kai Liu, M. Albrecht, R. Brandt, R. R\\\"uckriem, T. Senn","submitted_at":"2013-05-16T05:53:19Z","abstract_excerpt":"We present a comprehensive investigation of the size-dependent switching characteristics and spin wave modes of FePt nanoelements. Curved nanomagnets (\"caps\") are compared to flat disks of identical diameter and volume over a size range of 100 to 300nm. Quasi-static magnetization reversal analysis using first-order reversal curves (FORC) shows that spherical caps have lower vortex nucleation and annihilation fields than the flat disks. As the element diameter decreases, the reversal mechanism in the caps crosses over sooner to coherent rotation than in the disks. The magnetization dynamics are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3686","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":"2026-05-18T03:22:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ux0huUBwngCMbd7ZLa147OOwTxghSCvltPfLe1pY5DF4oT47N8IY3J2KGWT60/+pOWXuytTju7AVLxyVZVPjAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:03:21.559339Z"},"content_sha256":"89cfa9e6315a70681dc85e72d33965492e91c28ea0341b7bcf45e91c1cd9038a","schema_version":"1.0","event_id":"sha256:89cfa9e6315a70681dc85e72d33965492e91c28ea0341b7bcf45e91c1cd9038a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIZHKONU7RKELFVSDL75BYNIFM/bundle.json","state_url":"https://pith.science/pith/UIZHKONU7RKELFVSDL75BYNIFM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIZHKONU7RKELFVSDL75BYNIFM/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":"2026-05-27T14:03:21Z","links":{"resolver":"https://pith.science/pith/UIZHKONU7RKELFVSDL75BYNIFM","bundle":"https://pith.science/pith/UIZHKONU7RKELFVSDL75BYNIFM/bundle.json","state":"https://pith.science/pith/UIZHKONU7RKELFVSDL75BYNIFM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIZHKONU7RKELFVSDL75BYNIFM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UIZHKONU7RKELFVSDL75BYNIFM","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":"8ef1a19a561752a829e2c8c031076eb260d472a82cb32ea0c5e0b41a7ee0bdc6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-16T05:53:19Z","title_canon_sha256":"8fb1a1eb78f1a5aad2d1f2e20cace16f628fb41ec5192d08ed9949fcd1c7b340"},"schema_version":"1.0","source":{"id":"1305.3686","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.3686","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"arxiv_version","alias_value":"1305.3686v1","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3686","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"pith_short_12","alias_value":"UIZHKONU7RKE","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UIZHKONU7RKELFVS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UIZHKONU","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:89cfa9e6315a70681dc85e72d33965492e91c28ea0341b7bcf45e91c1cd9038a","target":"graph","created_at":"2026-05-18T03:22:16Z","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 present a comprehensive investigation of the size-dependent switching characteristics and spin wave modes of FePt nanoelements. Curved nanomagnets (\"caps\") are compared to flat disks of identical diameter and volume over a size range of 100 to 300nm. Quasi-static magnetization reversal analysis using first-order reversal curves (FORC) shows that spherical caps have lower vortex nucleation and annihilation fields than the flat disks. As the element diameter decreases, the reversal mechanism in the caps crosses over sooner to coherent rotation than in the disks. The magnetization dynamics are","authors_text":"D. A. Gilbert, F. Ganss, H. Schmidt, Kai Liu, M. Albrecht, R. Brandt, R. R\\\"uckriem, T. Senn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-16T05:53:19Z","title":"Size-dependent magnetization switching characteristics and spin wave modes of FePt nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3686","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:bbb1d5ca38c6ebd0770955fc2c3e118263b0986bd15d7478e32cbe447b965221","target":"record","created_at":"2026-05-18T03:22:16Z","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":"8ef1a19a561752a829e2c8c031076eb260d472a82cb32ea0c5e0b41a7ee0bdc6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-16T05:53:19Z","title_canon_sha256":"8fb1a1eb78f1a5aad2d1f2e20cace16f628fb41ec5192d08ed9949fcd1c7b340"},"schema_version":"1.0","source":{"id":"1305.3686","kind":"arxiv","version":1}},"canonical_sha256":"a2327539b4fc544596b21affd0e1a82b23c62f6a8b8f2c3605476d7b8f266a83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2327539b4fc544596b21affd0e1a82b23c62f6a8b8f2c3605476d7b8f266a83","first_computed_at":"2026-05-18T03:22:16.860360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:16.860360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"whGs8lCACL59a8Rs6DvgyXZQRnDr/0p11PFxsYPzCqvnkqjalHSNbpWCTO2IWsdjYW3o5KdoyI+TZ+qOMkTnAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:16.860835Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.3686","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbb1d5ca38c6ebd0770955fc2c3e118263b0986bd15d7478e32cbe447b965221","sha256:89cfa9e6315a70681dc85e72d33965492e91c28ea0341b7bcf45e91c1cd9038a"],"state_sha256":"a92a52f919398168d1cb08d96fb82f1f2dc7d4d6029edb77a3af0ef5b6b64482"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iXW4ZqeBYa0SRU/l5Kim0UMU/ob75dYp0+FaqV58P1VOKAoQDh+97+H+sgHkEPJrcQDxqeRAtGCkVYS1HKGxAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:03:21.562810Z","bundle_sha256":"7f603d5b45e52005555d497d80a006798dae78c8ed03046bd39112ffb10bc79f"}}