{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ELUAVZD52QAIFNEFS6MGAPQ5MQ","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":"6ed4775b939e064d2d96f8179c4e4d724419f782c4d90c8c22de24404a90b5a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-05T13:01:14Z","title_canon_sha256":"687c242de99dd96b72c895be58689ffd02fb98904f1b4f9f16224ef778c36189"},"schema_version":"1.0","source":{"id":"1112.0913","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.0913","created_at":"2026-05-18T03:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1112.0913v2","created_at":"2026-05-18T03:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.0913","created_at":"2026-05-18T03:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"ELUAVZD52QAI","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"ELUAVZD52QAIFNEF","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"ELUAVZD5","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:62b1935e28fca8ebac5263d845803bda3c2ba9c12417f32588d7489be6fd4b3d","target":"graph","created_at":"2026-05-18T03:51:25Z","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 energetics of thin elongated ferromagnetic nano-islands is considered for some different shapes, aspect ratios, and applied magnetic field directions. These nano-island particles are important for artificial spin-ice materials. For low temperature, the magnetic internal energy of an individual particle is evaluated numerically as a function of the direction of a particle's net magnetization. This leads to estimations of effective anisotropy constants for (1) the easy axis along the particle's long direction, and (2) the hard axis along the particle's thin direction. A spin relaxation algor","authors_text":"A. R. Pereira, G. M. Wysin, L. A. S. M\\'ol, W. A. Moura-Melo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-05T13:01:14Z","title":"Magnetic anisotropy of elongated thin ferromagnetic nano-islands for artifical spin ice arrays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.0913","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:e5cb3238e78f6a944e3f202287f9db3bd79a586422d26e907c242ccbec45d7bf","target":"record","created_at":"2026-05-18T03:51:25Z","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":"6ed4775b939e064d2d96f8179c4e4d724419f782c4d90c8c22de24404a90b5a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-05T13:01:14Z","title_canon_sha256":"687c242de99dd96b72c895be58689ffd02fb98904f1b4f9f16224ef778c36189"},"schema_version":"1.0","source":{"id":"1112.0913","kind":"arxiv","version":2}},"canonical_sha256":"22e80ae47dd40082b4859798603e1d641a72f23120a93b31a6a4e8baf25eb6a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22e80ae47dd40082b4859798603e1d641a72f23120a93b31a6a4e8baf25eb6a7","first_computed_at":"2026-05-18T03:51:25.536664Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:25.536664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TMOpU7PJdhCn3VLASmyBH6YDPFEJQEJKj3TBUs3XlTnGrs5IK9LEi8cOOucRJsZ0hkunuRDBlCrDYTHGn9lPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:25.537414Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.0913","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5cb3238e78f6a944e3f202287f9db3bd79a586422d26e907c242ccbec45d7bf","sha256:62b1935e28fca8ebac5263d845803bda3c2ba9c12417f32588d7489be6fd4b3d"],"state_sha256":"dac04101aef95cc7691f8f52e6df03d72b67d3de686f9e03bd0961a95d89e7e0"}