{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:5DVRRI2ZDFPBTEIVLDJTESMTRJ","short_pith_number":"pith:5DVRRI2Z","canonical_record":{"source":{"id":"2210.07875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-14T14:52:44Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"2d5fc59361ee449cc91115ab1b52ac5f088a22f6876bcbc7ac5e07a2b3a1a324","abstract_canon_sha256":"ca348d44e2ebbfdb9647c73b2b133a97584420471e70a9ccda3c08bf7d31efe1"},"schema_version":"1.0"},"canonical_sha256":"e8eb18a359195e19911558d33249938a74b9b273afca5693d5e63c68a9ce7bcf","source":{"kind":"arxiv","id":"2210.07875","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.07875","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"arxiv_version","alias_value":"2210.07875v1","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.07875","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"pith_short_12","alias_value":"5DVRRI2ZDFPB","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"pith_short_16","alias_value":"5DVRRI2ZDFPBTEIV","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"pith_short_8","alias_value":"5DVRRI2Z","created_at":"2026-07-05T05:06:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:5DVRRI2ZDFPBTEIVLDJTESMTRJ","target":"record","payload":{"canonical_record":{"source":{"id":"2210.07875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-14T14:52:44Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"2d5fc59361ee449cc91115ab1b52ac5f088a22f6876bcbc7ac5e07a2b3a1a324","abstract_canon_sha256":"ca348d44e2ebbfdb9647c73b2b133a97584420471e70a9ccda3c08bf7d31efe1"},"schema_version":"1.0"},"canonical_sha256":"e8eb18a359195e19911558d33249938a74b9b273afca5693d5e63c68a9ce7bcf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:06:41.968264Z","signature_b64":"GhYN695EjVRg6xKsAnvLtNEiJxjhKeU9+D8Icu/tGRY0iUoke4PntEU6eWhcPUKqL0ApjeSxtvW1k5dgGtvaAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8eb18a359195e19911558d33249938a74b9b273afca5693d5e63c68a9ce7bcf","last_reissued_at":"2026-07-05T05:06:41.967850Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:06:41.967850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.07875","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:06:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HFNMubHO6IK8F0T/mC1898EgwdKBP8ycKnrAmOlNjfGuWTKeW/pOyugSB7u3kU6d1te5AVBfI8DedZEwyCA8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T07:03:38.592015Z"},"content_sha256":"1632314490dd990b73edced82f604c9d158ec8f4b32587fc7693b9b37875a70b","schema_version":"1.0","event_id":"sha256:1632314490dd990b73edced82f604c9d158ec8f4b32587fc7693b9b37875a70b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:5DVRRI2ZDFPBTEIVLDJTESMTRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Higher-order magnetic anisotropy in soft-hard magnetic materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Binh Nguyen, Richard Evans, Roy Chantrell, Sarah Jenkins, Sergiu Ruta","submitted_at":"2022-10-14T14:52:44Z","abstract_excerpt":"We have computationally studied the properties of higher-order magnetic anisotropy constants in an L10/A1-FePt coreshell system which is characterized by a strong second-order 2-ion Fe-Pt anisotropy component. We show that the coreshell structure induces an unexpected fourth-order anisotropy constant K2 the magnitude of which varies non-monotonically with the core-size ratio R reaching a peak at R = 0.50. Furthermore, we find that K2 scales with the normalized magnetization by (M/Ms)^2.2 at temperatures below the Curie temperature - a remarkable deviation from the established Callen-Callen the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.07875","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.07875/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:06:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jaVDe1ItZn6Jfu6Po4gXA6LsA6003LW+Dkw9KLwvTOSCBnnUbMBdAc3t2gfrDfAS5k3WAaq8zTv0T4JKi9cRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T07:03:38.592512Z"},"content_sha256":"23b7f7e314058d948f4b6a96f39a72e823b8d8c1b17eceed6e38dd0a0c3249e1","schema_version":"1.0","event_id":"sha256:23b7f7e314058d948f4b6a96f39a72e823b8d8c1b17eceed6e38dd0a0c3249e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ/bundle.json","state_url":"https://pith.science/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-23T07:03:38Z","links":{"resolver":"https://pith.science/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ","bundle":"https://pith.science/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ/bundle.json","state":"https://pith.science/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5DVRRI2ZDFPBTEIVLDJTESMTRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:5DVRRI2ZDFPBTEIVLDJTESMTRJ","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":"ca348d44e2ebbfdb9647c73b2b133a97584420471e70a9ccda3c08bf7d31efe1","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-14T14:52:44Z","title_canon_sha256":"2d5fc59361ee449cc91115ab1b52ac5f088a22f6876bcbc7ac5e07a2b3a1a324"},"schema_version":"1.0","source":{"id":"2210.07875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.07875","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"arxiv_version","alias_value":"2210.07875v1","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.07875","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"pith_short_12","alias_value":"5DVRRI2ZDFPB","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"pith_short_16","alias_value":"5DVRRI2ZDFPBTEIV","created_at":"2026-07-05T05:06:41Z"},{"alias_kind":"pith_short_8","alias_value":"5DVRRI2Z","created_at":"2026-07-05T05:06:41Z"}],"graph_snapshots":[{"event_id":"sha256:23b7f7e314058d948f4b6a96f39a72e823b8d8c1b17eceed6e38dd0a0c3249e1","target":"graph","created_at":"2026-07-05T05:06:41Z","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/2210.07875/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have computationally studied the properties of higher-order magnetic anisotropy constants in an L10/A1-FePt coreshell system which is characterized by a strong second-order 2-ion Fe-Pt anisotropy component. We show that the coreshell structure induces an unexpected fourth-order anisotropy constant K2 the magnitude of which varies non-monotonically with the core-size ratio R reaching a peak at R = 0.50. Furthermore, we find that K2 scales with the normalized magnetization by (M/Ms)^2.2 at temperatures below the Curie temperature - a remarkable deviation from the established Callen-Callen the","authors_text":"Binh Nguyen, Richard Evans, Roy Chantrell, Sarah Jenkins, Sergiu Ruta","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-14T14:52:44Z","title":"Higher-order magnetic anisotropy in soft-hard magnetic materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.07875","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":"sha256:1632314490dd990b73edced82f604c9d158ec8f4b32587fc7693b9b37875a70b","target":"record","created_at":"2026-07-05T05:06:41Z","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":"ca348d44e2ebbfdb9647c73b2b133a97584420471e70a9ccda3c08bf7d31efe1","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-14T14:52:44Z","title_canon_sha256":"2d5fc59361ee449cc91115ab1b52ac5f088a22f6876bcbc7ac5e07a2b3a1a324"},"schema_version":"1.0","source":{"id":"2210.07875","kind":"arxiv","version":1}},"canonical_sha256":"e8eb18a359195e19911558d33249938a74b9b273afca5693d5e63c68a9ce7bcf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8eb18a359195e19911558d33249938a74b9b273afca5693d5e63c68a9ce7bcf","first_computed_at":"2026-07-05T05:06:41.967850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:06:41.967850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GhYN695EjVRg6xKsAnvLtNEiJxjhKeU9+D8Icu/tGRY0iUoke4PntEU6eWhcPUKqL0ApjeSxtvW1k5dgGtvaAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:06:41.968264Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.07875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1632314490dd990b73edced82f604c9d158ec8f4b32587fc7693b9b37875a70b","sha256:23b7f7e314058d948f4b6a96f39a72e823b8d8c1b17eceed6e38dd0a0c3249e1"],"state_sha256":"9abe2bc4c7c65c5c202090f8128053fc072afee2972110a6b407a00b8723111a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hdg6cvyeBG+dmldWMR1BXsXTx0fYqk466oNZTNsQ2SwRCcEpzr8Duhevx8jHQqGnQsE80yF9jfCys1Slj0ukAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T07:03:38.596295Z","bundle_sha256":"545c9838c4df4ba384a935669e6c6ad9ca59c781a28f14454baf59673da8bd91"}}