{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:LVVE7EVKDT3Q5O2KEM6ZSSBZGX","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":"53140fd7a55a8d8dad35e019fa586d61b32805cf173ceb50068c6289c349e32b","cross_cats_sorted":["cond-mat.stat-mech"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-11-17T13:59:49Z","title_canon_sha256":"7031cf7bed5b7bdc77e15c2cba2f4543343511d88d1e59ca70e8226ad4de0aca"},"schema_version":"1.0","source":{"id":"cond-mat/0511428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0511428","created_at":"2026-05-18T04:41:05Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0511428v1","created_at":"2026-05-18T04:41:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0511428","created_at":"2026-05-18T04:41:05Z"},{"alias_kind":"pith_short_12","alias_value":"LVVE7EVKDT3Q","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"LVVE7EVKDT3Q5O2K","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"LVVE7EVK","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:e9df429a1dd5245190b2e188a40cfc1cef8d19d817f12a8e43c147b334e2b79e","target":"graph","created_at":"2026-05-18T04:41:05Z","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":"Discontinuous magnetic multilayers [CoFe/Al2O3] are studied by use of magnetometry, susceptometry and numeric simulations. Soft ferromagnetic Co80Fe20 nanoparticles are embedded in a diamagnetic insulating a-Al2O3 matrix and can be considered as homogeneously magnetized superspins exhibiting randomness of size (viz. moment), position and anisotropy. Lacking intra-particle core-surface ordering, generic freezing processes into collective states rather than individual particle blocking are encountered. With increasing particle density one observes first superspin glass and then superferromagneti","authors_text":"O. Petracic, P. P. Freitas, S. Bedanta, S. Cardoso, S. Sahoo, W. Kleemann, X. Chen","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-11-17T13:59:49Z","title":"Collective states of interacting ferromagnetic nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0511428","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":"sha256:30a30da75898d08cd2b308f18c1931ef72826368a00cdde209bece0f0eb9cc9b","target":"record","created_at":"2026-05-18T04:41:05Z","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":"53140fd7a55a8d8dad35e019fa586d61b32805cf173ceb50068c6289c349e32b","cross_cats_sorted":["cond-mat.stat-mech"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-11-17T13:59:49Z","title_canon_sha256":"7031cf7bed5b7bdc77e15c2cba2f4543343511d88d1e59ca70e8226ad4de0aca"},"schema_version":"1.0","source":{"id":"cond-mat/0511428","kind":"arxiv","version":1}},"canonical_sha256":"5d6a4f92aa1cf70ebb4a233d99483935dee6832458cb8899786412d269f21fa4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d6a4f92aa1cf70ebb4a233d99483935dee6832458cb8899786412d269f21fa4","first_computed_at":"2026-05-18T04:41:05.481189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:05.481189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4PZh8EsxR4x3pMSPqcn2w0DRaqrGTjd+i/WTLThcZo1oGfCirYxhiMBVfoNuxhfjtmR4n+bRDBz1pD1fH3rSCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:05.481588Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0511428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30a30da75898d08cd2b308f18c1931ef72826368a00cdde209bece0f0eb9cc9b","sha256:e9df429a1dd5245190b2e188a40cfc1cef8d19d817f12a8e43c147b334e2b79e"],"state_sha256":"38452ca26cd1d55c975d0894855831cb8e9c71e321c9e76afad3c31e13f7af02"}