{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FKKTWO2LGTO3IOUF5TJ2ANKL7Q","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":"6e83a2c555bf987f40287f113abc9ce85cce0fe17a04beceefece83fbfeb365d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-17T00:08:58Z","title_canon_sha256":"e73f39447f75cd7c29295ced91230b5e1367509d6b774f19e837b2d7237aebd5"},"schema_version":"1.0","source":{"id":"2010.08674","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.08674","created_at":"2026-07-05T02:25:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.08674v1","created_at":"2026-07-05T02:25:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.08674","created_at":"2026-07-05T02:25:50Z"},{"alias_kind":"pith_short_12","alias_value":"FKKTWO2LGTO3","created_at":"2026-07-05T02:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"FKKTWO2LGTO3IOUF","created_at":"2026-07-05T02:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"FKKTWO2L","created_at":"2026-07-05T02:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:2313e5099f02f0b99fcf1617cd107e7ba8c6122bb29408b8d4196dd9ae30dae1","target":"graph","created_at":"2026-07-05T02:25:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2010.08674/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Topological solitons have been studied for decades in classical field theories, and have started recently to impact condensed matter physics. Among those solitons, magnetic skyrmions are two-dimensional particle-like objects with a continuous winding of the magnetization, and magnetic Hopfions are three-dimensional topological solitons that can be formed from a closed loop of a twisted skyrmion string. Whereas intense research is underway with magnetic skyrmions towards a fundamental understanding and potential applications in advanced storage and logic devices, the experimental creation and c","authors_text":"A. Hierro-Rodriguez, A. Sorrentino, D. Raftrey, E. Pereiro, F. Hellman, I.T.G. Campbell, N. Kent, N. Reynolds, P. Fischer, P. Sutcliffe, R.V. Chopdekar, S. Dhuey, S. Ferrer, S. Virasawmy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-17T00:08:58Z","title":"Creation and confirmation of Hopfions in magnetic multilayer systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.08674","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:d48849fa37916b3fa1bb7ac9787719f3f6a557794d650c96ad79de72a954a556","target":"record","created_at":"2026-07-05T02:25:50Z","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":"6e83a2c555bf987f40287f113abc9ce85cce0fe17a04beceefece83fbfeb365d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-17T00:08:58Z","title_canon_sha256":"e73f39447f75cd7c29295ced91230b5e1367509d6b774f19e837b2d7237aebd5"},"schema_version":"1.0","source":{"id":"2010.08674","kind":"arxiv","version":1}},"canonical_sha256":"2a953b3b4b34ddb43a85ecd3a0354bfc22d3de6d693cd0a76a8ac8bb79f1496c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a953b3b4b34ddb43a85ecd3a0354bfc22d3de6d693cd0a76a8ac8bb79f1496c","first_computed_at":"2026-07-05T02:25:50.771943Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:25:50.771943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6WwyC/A6dFYKk/BS9tRbU1NDwIz8WxsB/x0dy1o2KvGdszFLCoydxc7NXLaclzC7PMZjZrn6Q8dkhWFat0PTDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:25:50.772397Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.08674","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d48849fa37916b3fa1bb7ac9787719f3f6a557794d650c96ad79de72a954a556","sha256:2313e5099f02f0b99fcf1617cd107e7ba8c6122bb29408b8d4196dd9ae30dae1"],"state_sha256":"110c5e20769b4eab78977940da7eb6f19a1fa1507fa268e35d2052fdfc43f625"}