{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2KTGI6JLOHRAX746CG3EXELQD7","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":"33aaac39731e3b02eb5cbee560c878bba1cdeb5ab860122bb5a145293c21b559","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-06-30T14:30:16Z","title_canon_sha256":"f4d71ec9adf00b2d74e7fcc5c8420209ace9c1ad21352504ab585411146b7809"},"schema_version":"1.0","source":{"id":"1706.10216","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.10216","created_at":"2026-05-18T00:31:40Z"},{"alias_kind":"arxiv_version","alias_value":"1706.10216v2","created_at":"2026-05-18T00:31:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.10216","created_at":"2026-05-18T00:31:40Z"},{"alias_kind":"pith_short_12","alias_value":"2KTGI6JLOHRA","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2KTGI6JLOHRAX746","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2KTGI6JL","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:3a0f5d60247dce9fe756e8aadece84b6f6659297cc3fecccb154cf3e755bb811","target":"graph","created_at":"2026-05-18T00:31:40Z","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":"Knowledge of free energy barriers separating different states is critically important for assessment of long-term stability of information stored in magnetic devices. This information, however, is not directly accessible by standard simulations of microscopic models because of the ubiquitous time-scale problem, related to the fact that the transitions among different free energy minima have character of rare events. Here we show that by employing the metadynamics algorithm based on suitably chosen collective variables, namely helicity and circulation, it is possible to reliably recover the fre","authors_text":"Jaroslav Tobik, Roman Martonak, Vladimir Cambel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-06-30T14:30:16Z","title":"Free-energy landscapes in magnetic systems from metadynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.10216","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":"sha256:8bb7426d649d19fafa7de82dc85a3b8e4a6c50726478645b9c6ab34353402e7a","target":"record","created_at":"2026-05-18T00:31:40Z","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":"33aaac39731e3b02eb5cbee560c878bba1cdeb5ab860122bb5a145293c21b559","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-06-30T14:30:16Z","title_canon_sha256":"f4d71ec9adf00b2d74e7fcc5c8420209ace9c1ad21352504ab585411146b7809"},"schema_version":"1.0","source":{"id":"1706.10216","kind":"arxiv","version":2}},"canonical_sha256":"d2a664792b71e20bff9e11b64b91701fc557422b09a5c16bb8f6dd9cf6603a10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2a664792b71e20bff9e11b64b91701fc557422b09a5c16bb8f6dd9cf6603a10","first_computed_at":"2026-05-18T00:31:40.614597Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:40.614597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zFmoUzZyJZ0jcGbg2DR+Jy8kpTw8bvUV6WDFGEcrz/4cfdGosqr3FQohup3/R/1p0l5pZPjSOufmfW6OLGGxBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:40.615035Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.10216","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8bb7426d649d19fafa7de82dc85a3b8e4a6c50726478645b9c6ab34353402e7a","sha256:3a0f5d60247dce9fe756e8aadece84b6f6659297cc3fecccb154cf3e755bb811"],"state_sha256":"3fc7d86a01d48558373457f154b655bf81c38ce3598127d9cfef4d1ee6a5d43f"}