{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TPHVAORIHZT35WC7PIVOEXUEZR","short_pith_number":"pith:TPHVAORI","canonical_record":{"source":{"id":"1603.08365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-28T11:48:05Z","cross_cats_sorted":[],"title_canon_sha256":"190fc9db3ae12ea2541e1c47616aa8931187a4f7d60e5fc6bfa89a9368c67257","abstract_canon_sha256":"f35693afef71af74d4b90906e1ce55a910940685ba9aaedc440fc9f67dac0406"},"schema_version":"1.0"},"canonical_sha256":"9bcf503a283e67bed85f7a2ae25e84cc77412ad5d3431d0f1ff1600733cd21c6","source":{"kind":"arxiv","id":"1603.08365","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.08365","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"1603.08365v1","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08365","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"TPHVAORIHZT3","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TPHVAORIHZT35WC7","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TPHVAORI","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TPHVAORIHZT35WC7PIVOEXUEZR","target":"record","payload":{"canonical_record":{"source":{"id":"1603.08365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-28T11:48:05Z","cross_cats_sorted":[],"title_canon_sha256":"190fc9db3ae12ea2541e1c47616aa8931187a4f7d60e5fc6bfa89a9368c67257","abstract_canon_sha256":"f35693afef71af74d4b90906e1ce55a910940685ba9aaedc440fc9f67dac0406"},"schema_version":"1.0"},"canonical_sha256":"9bcf503a283e67bed85f7a2ae25e84cc77412ad5d3431d0f1ff1600733cd21c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:10.961783Z","signature_b64":"svoDWh7dcUeMsdvk6aIdt8YvPunkQaeOmMz8JB/s+2m+Hl7YpURFWJqAHzgan7jtVQUIojd/vO8TL8wOki6yDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9bcf503a283e67bed85f7a2ae25e84cc77412ad5d3431d0f1ff1600733cd21c6","last_reissued_at":"2026-05-18T01:18:10.961281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:10.961281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.08365","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":"2026-05-18T01:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PzMWg0GUCJYbPiFf2rdNO5do0MZDeef4ev4an0OdbhIe/aalK/LJEee6DINEc5Z71pZb4uB/ig4jTsf/OZd2CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:52:28.288551Z"},"content_sha256":"9a751de3b546214b46a3fdde53494dbf19e96bbbc318b20a152c15ff873edd1e","schema_version":"1.0","event_id":"sha256:9a751de3b546214b46a3fdde53494dbf19e96bbbc318b20a152c15ff873edd1e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TPHVAORIHZT35WC7PIVOEXUEZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal activation in permanent magnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexander Kovacs, Franz Reichel, Harald Oezelt, Johann Fischbacher, Simon Bance, Thomas Schrefl","submitted_at":"2016-03-28T11:48:05Z","abstract_excerpt":"The coercive field of permanent magnets decays with temperature. At non-zero temperature the system can overcome a finite energy barrier through thermal fluctuations. Using finite element micromagnetic simulations, we quantify this effect, which reduces coercivity in addition to the decrease of the coercive field associated with the temperature dependence of the anisotropy field, and validate the method through comparison with existing experimental data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08365","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":""},"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":"2026-05-18T01:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aWdfU+obKdG41vwR9yEhp7g2BkjxlNm2Ui054iXMk/TdD29f3bJET0BU44cRIRC/iU5zItR/u8j2D41rDj62Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:52:28.289246Z"},"content_sha256":"d58d5f4eab83f8870eb59324996c4d1d7c04972f1f384a6344b1556c94334dc9","schema_version":"1.0","event_id":"sha256:d58d5f4eab83f8870eb59324996c4d1d7c04972f1f384a6344b1556c94334dc9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TPHVAORIHZT35WC7PIVOEXUEZR/bundle.json","state_url":"https://pith.science/pith/TPHVAORIHZT35WC7PIVOEXUEZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TPHVAORIHZT35WC7PIVOEXUEZR/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":"2026-05-26T07:52:28Z","links":{"resolver":"https://pith.science/pith/TPHVAORIHZT35WC7PIVOEXUEZR","bundle":"https://pith.science/pith/TPHVAORIHZT35WC7PIVOEXUEZR/bundle.json","state":"https://pith.science/pith/TPHVAORIHZT35WC7PIVOEXUEZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TPHVAORIHZT35WC7PIVOEXUEZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TPHVAORIHZT35WC7PIVOEXUEZR","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":"f35693afef71af74d4b90906e1ce55a910940685ba9aaedc440fc9f67dac0406","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-28T11:48:05Z","title_canon_sha256":"190fc9db3ae12ea2541e1c47616aa8931187a4f7d60e5fc6bfa89a9368c67257"},"schema_version":"1.0","source":{"id":"1603.08365","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.08365","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"1603.08365v1","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08365","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"TPHVAORIHZT3","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TPHVAORIHZT35WC7","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TPHVAORI","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:d58d5f4eab83f8870eb59324996c4d1d7c04972f1f384a6344b1556c94334dc9","target":"graph","created_at":"2026-05-18T01:18:10Z","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 coercive field of permanent magnets decays with temperature. At non-zero temperature the system can overcome a finite energy barrier through thermal fluctuations. Using finite element micromagnetic simulations, we quantify this effect, which reduces coercivity in addition to the decrease of the coercive field associated with the temperature dependence of the anisotropy field, and validate the method through comparison with existing experimental data.","authors_text":"Alexander Kovacs, Franz Reichel, Harald Oezelt, Johann Fischbacher, Simon Bance, Thomas Schrefl","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-28T11:48:05Z","title":"Thermal activation in permanent magnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08365","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":"sha256:9a751de3b546214b46a3fdde53494dbf19e96bbbc318b20a152c15ff873edd1e","target":"record","created_at":"2026-05-18T01:18:10Z","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":"f35693afef71af74d4b90906e1ce55a910940685ba9aaedc440fc9f67dac0406","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-28T11:48:05Z","title_canon_sha256":"190fc9db3ae12ea2541e1c47616aa8931187a4f7d60e5fc6bfa89a9368c67257"},"schema_version":"1.0","source":{"id":"1603.08365","kind":"arxiv","version":1}},"canonical_sha256":"9bcf503a283e67bed85f7a2ae25e84cc77412ad5d3431d0f1ff1600733cd21c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9bcf503a283e67bed85f7a2ae25e84cc77412ad5d3431d0f1ff1600733cd21c6","first_computed_at":"2026-05-18T01:18:10.961281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:10.961281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"svoDWh7dcUeMsdvk6aIdt8YvPunkQaeOmMz8JB/s+2m+Hl7YpURFWJqAHzgan7jtVQUIojd/vO8TL8wOki6yDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:10.961783Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.08365","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a751de3b546214b46a3fdde53494dbf19e96bbbc318b20a152c15ff873edd1e","sha256:d58d5f4eab83f8870eb59324996c4d1d7c04972f1f384a6344b1556c94334dc9"],"state_sha256":"7daafbce44d80abd50d8ee73fe5fb7afd41fdc8a54e0ccfe4abc19a1def89a5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xu4p+A2U+ugeE+lW5N0sPyx2ZMk38KifbXLtx2fwE5QuR0xmzr23qfpZLjZRC8RcYAtz+hZOWn2vaUpRSEvCBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:52:28.293134Z","bundle_sha256":"a8940714fae74abc223c1682cf674a88c05a8df83e50bd826114629df3c19dcd"}}