{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KZINVKY3R6VY4VVSBEGDVC7Q34","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":"27dabb6a0e8ee4b9f4938d88379fcde766658d150d73edd964c7c5dd839a5462","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-10-20T08:39:02Z","title_canon_sha256":"888167fc771eeec857c1c473a6d3476633a745ec694622ceb5779c7abec58573"},"schema_version":"1.0","source":{"id":"1710.07452","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07452","created_at":"2026-05-18T00:13:50Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07452v2","created_at":"2026-05-18T00:13:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07452","created_at":"2026-05-18T00:13:50Z"},{"alias_kind":"pith_short_12","alias_value":"KZINVKY3R6VY","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"KZINVKY3R6VY4VVS","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"KZINVKY3","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:e278bd96633d97a46e8ca7839ded096cf21884b754ebed72f216a783499a0dd5","target":"graph","created_at":"2026-05-18T00:13:50Z","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 develop an analytical approach for studying the FMR frequency shift due to dipolar interactions and surface effects in two-dimensional arrays of nanomagnets with (effective) uniaxial anisotropy along the magnetic field. For this we build a general formalism on the basis of perturbation theory that applies to dilute assemblies but which goes beyond the point-dipole approximation as it takes account of the size and shape of the nano-elements, in addition to their separation and spatial arrangement. The contribution to the frequency shift due to the shape and size of the nano-elements has been","authors_text":"A. F. Franco, F. Vernay, H. Kachkachi, J.-L. D\\'ejardin","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-10-20T08:39:02Z","title":"Ferromagnetic resonance of a two-dimensional array of nanomagnets: Effects of surface anisotropy and dipolar interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07452","kind":"arxiv","version":2},"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":"sha256:12fb5d374ceb03779309f44b40ba33ccb4dc7fd1ce0af7f7b94af704dffd8eb5","target":"record","created_at":"2026-05-18T00:13:50Z","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":"27dabb6a0e8ee4b9f4938d88379fcde766658d150d73edd964c7c5dd839a5462","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-10-20T08:39:02Z","title_canon_sha256":"888167fc771eeec857c1c473a6d3476633a745ec694622ceb5779c7abec58573"},"schema_version":"1.0","source":{"id":"1710.07452","kind":"arxiv","version":2}},"canonical_sha256":"5650daab1b8fab8e56b2090c3a8bf0df320a878cf55c545c10c470f6e8cca32e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5650daab1b8fab8e56b2090c3a8bf0df320a878cf55c545c10c470f6e8cca32e","first_computed_at":"2026-05-18T00:13:50.982947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:50.982947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1TIN4S5B1tlihmh2i8j88JZzHnql19tzCzsZ+volr3+rrJ0qJL6zC6OCPlcjH9UAkZ6E9i6yhWKghLDv4EjuBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:50.983620Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07452","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12fb5d374ceb03779309f44b40ba33ccb4dc7fd1ce0af7f7b94af704dffd8eb5","sha256:e278bd96633d97a46e8ca7839ded096cf21884b754ebed72f216a783499a0dd5"],"state_sha256":"9442b285443ca333ae5dafb60cddf22fe42194b8f98ef0750e680cb58d3859e7"}