{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:BR54RAZOQUWDQ7ZCIYAJJZSRPJ","short_pith_number":"pith:BR54RAZO","canonical_record":{"source":{"id":"1207.4092","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-17T19:11:00Z","cross_cats_sorted":[],"title_canon_sha256":"c2050c673e0dc04e0c9336e268f18aca6d11c2b741b5662737716855abba8a86","abstract_canon_sha256":"39e301bcee9faa2a378450b948bba440c391f11897cf302eb5b26f8c0b9f8f27"},"schema_version":"1.0"},"canonical_sha256":"0c7bc8832e852c387f22460094e6517a768879e0376d6a28fcd47c19295dc1d6","source":{"kind":"arxiv","id":"1207.4092","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4092","created_at":"2026-05-18T01:56:17Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4092v2","created_at":"2026-05-18T01:56:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4092","created_at":"2026-05-18T01:56:17Z"},{"alias_kind":"pith_short_12","alias_value":"BR54RAZOQUWD","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BR54RAZOQUWDQ7ZC","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BR54RAZO","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:BR54RAZOQUWDQ7ZCIYAJJZSRPJ","target":"record","payload":{"canonical_record":{"source":{"id":"1207.4092","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-17T19:11:00Z","cross_cats_sorted":[],"title_canon_sha256":"c2050c673e0dc04e0c9336e268f18aca6d11c2b741b5662737716855abba8a86","abstract_canon_sha256":"39e301bcee9faa2a378450b948bba440c391f11897cf302eb5b26f8c0b9f8f27"},"schema_version":"1.0"},"canonical_sha256":"0c7bc8832e852c387f22460094e6517a768879e0376d6a28fcd47c19295dc1d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:17.259831Z","signature_b64":"al6cWJcQC7m9zi9gtnSvGdo05wwDlLtPFvsatcOPMFOD7QflMWQWC8rTMiFWjwdgSqdSxt+ABhie+2DUZ9a1DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c7bc8832e852c387f22460094e6517a768879e0376d6a28fcd47c19295dc1d6","last_reissued_at":"2026-05-18T01:56:17.259230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:17.259230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.4092","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:56:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"djJTNmkQyEq/bB9/mGDo/jU8kzetIkgEKtTUptOE0VfXKlotVg60SpZXTlMuO306XARhWvg9NHFwgV7vlcKBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:40:37.240083Z"},"content_sha256":"cfca91017a91130d61d6fc81dbe436fc8396e5eb27ffe8af3c17940936736f23","schema_version":"1.0","event_id":"sha256:cfca91017a91130d61d6fc81dbe436fc8396e5eb27ffe8af3c17940936736f23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:BR54RAZOQUWDQ7ZCIYAJJZSRPJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast dynamical path for the switching of a ferrimagnet after femtosecond heating","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J. Barker, O. Chubykalo-Fesenko, R. F. L. Evans, R. W. Chantrell, T. Ostler, U. Atxitia","submitted_at":"2012-07-17T19:11:00Z","abstract_excerpt":"Ultrafast laser-induced magnetic switching in rare earth, transition metal ferrimagnetic alloys has recently been reported to occur by ultrafast heating alone. Using atomistic simulations and a ferrimagnetic Landau-Lifshitz-Bloch formalism, we demonstrate that for switching to occur it is necessary that angular momentum is transferred from the longitudinal to transverse magnetization components. This dynamical path leads to magnetization switching and subsequent ultrafast precession caused by the inter-sublattice exchange field on the nanoscale."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4092","kind":"arxiv","version":2},"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":"2026-05-18T01:56:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6QtRQH8LmPznV6ugj481IQ6TA1aZ/wF/HZCBETVJoB+kYv2TiaXL55Maz0fWAq4n4yehZKeeS6JfDQRFYe7ADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:40:37.240431Z"},"content_sha256":"eb3cfb3d6d90658006b16afe8d88a538033c03a9bbaeaad0c460726badc5701a","schema_version":"1.0","event_id":"sha256:eb3cfb3d6d90658006b16afe8d88a538033c03a9bbaeaad0c460726badc5701a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ/bundle.json","state_url":"https://pith.science/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ/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":"2026-06-02T00:40:37Z","links":{"resolver":"https://pith.science/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ","bundle":"https://pith.science/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ/bundle.json","state":"https://pith.science/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BR54RAZOQUWDQ7ZCIYAJJZSRPJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BR54RAZOQUWDQ7ZCIYAJJZSRPJ","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":"39e301bcee9faa2a378450b948bba440c391f11897cf302eb5b26f8c0b9f8f27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-17T19:11:00Z","title_canon_sha256":"c2050c673e0dc04e0c9336e268f18aca6d11c2b741b5662737716855abba8a86"},"schema_version":"1.0","source":{"id":"1207.4092","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4092","created_at":"2026-05-18T01:56:17Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4092v2","created_at":"2026-05-18T01:56:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4092","created_at":"2026-05-18T01:56:17Z"},{"alias_kind":"pith_short_12","alias_value":"BR54RAZOQUWD","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BR54RAZOQUWDQ7ZC","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BR54RAZO","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:eb3cfb3d6d90658006b16afe8d88a538033c03a9bbaeaad0c460726badc5701a","target":"graph","created_at":"2026-05-18T01:56:17Z","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":"Ultrafast laser-induced magnetic switching in rare earth, transition metal ferrimagnetic alloys has recently been reported to occur by ultrafast heating alone. Using atomistic simulations and a ferrimagnetic Landau-Lifshitz-Bloch formalism, we demonstrate that for switching to occur it is necessary that angular momentum is transferred from the longitudinal to transverse magnetization components. This dynamical path leads to magnetization switching and subsequent ultrafast precession caused by the inter-sublattice exchange field on the nanoscale.","authors_text":"J. Barker, O. Chubykalo-Fesenko, R. F. L. Evans, R. W. Chantrell, T. Ostler, U. Atxitia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-17T19:11:00Z","title":"Ultrafast dynamical path for the switching of a ferrimagnet after femtosecond heating"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4092","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:cfca91017a91130d61d6fc81dbe436fc8396e5eb27ffe8af3c17940936736f23","target":"record","created_at":"2026-05-18T01:56:17Z","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":"39e301bcee9faa2a378450b948bba440c391f11897cf302eb5b26f8c0b9f8f27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-07-17T19:11:00Z","title_canon_sha256":"c2050c673e0dc04e0c9336e268f18aca6d11c2b741b5662737716855abba8a86"},"schema_version":"1.0","source":{"id":"1207.4092","kind":"arxiv","version":2}},"canonical_sha256":"0c7bc8832e852c387f22460094e6517a768879e0376d6a28fcd47c19295dc1d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c7bc8832e852c387f22460094e6517a768879e0376d6a28fcd47c19295dc1d6","first_computed_at":"2026-05-18T01:56:17.259230Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:17.259230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"al6cWJcQC7m9zi9gtnSvGdo05wwDlLtPFvsatcOPMFOD7QflMWQWC8rTMiFWjwdgSqdSxt+ABhie+2DUZ9a1DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:17.259831Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.4092","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfca91017a91130d61d6fc81dbe436fc8396e5eb27ffe8af3c17940936736f23","sha256:eb3cfb3d6d90658006b16afe8d88a538033c03a9bbaeaad0c460726badc5701a"],"state_sha256":"48bd3bc84e92ded9e16977b5355c0e1760365acec18eab298cc24c67f07c231a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ktGveteMfRqqeqBbxxUDqtPA76KdwBwsK4VF1xEG5qTRfcc5lW+KzZIuldcZ7Te4533nEqxS8Gw3EJcWf3CBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:40:37.242370Z","bundle_sha256":"aa6f76944fa3856d628a7beb2f998461f084d2852496fd8de2e7693d6f531786"}}