{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3LBNPI676KPM3TWM7BE7UILRI7","short_pith_number":"pith:3LBNPI67","canonical_record":{"source":{"id":"1904.13275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-30T14:27:13Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"c0f16f3990dd2b6745e52a2f56e414ebe0737980e647789800f0f0dd0d7f17f8","abstract_canon_sha256":"5800d511b08d08d54284f76145d91cc63bf97c116a0db149633c3850c450bff8"},"schema_version":"1.0"},"canonical_sha256":"dac2d7a3dff29ecdceccf849fa217147d6211b053aa1fab81a389c14d6aee6e4","source":{"kind":"arxiv","id":"1904.13275","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.13275","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1904.13275v1","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.13275","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"3LBNPI676KPM","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"pith_short_16","alias_value":"3LBNPI676KPM3TWM","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"pith_short_8","alias_value":"3LBNPI67","created_at":"2026-07-05T00:36:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3LBNPI676KPM3TWM7BE7UILRI7","target":"record","payload":{"canonical_record":{"source":{"id":"1904.13275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-30T14:27:13Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"c0f16f3990dd2b6745e52a2f56e414ebe0737980e647789800f0f0dd0d7f17f8","abstract_canon_sha256":"5800d511b08d08d54284f76145d91cc63bf97c116a0db149633c3850c450bff8"},"schema_version":"1.0"},"canonical_sha256":"dac2d7a3dff29ecdceccf849fa217147d6211b053aa1fab81a389c14d6aee6e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:36:22.341777Z","signature_b64":"IzDeyjCVqJusKQncb89hSko/4QgGPzNBUhzzKcYh4VxvKKhJEV2sQZ4cM8ZspZ9LvhkRZpMGSRm8/Bv6c33DCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dac2d7a3dff29ecdceccf849fa217147d6211b053aa1fab81a389c14d6aee6e4","last_reissued_at":"2026-07-05T00:36:22.341290Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:36:22.341290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.13275","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":"2026-07-05T00:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nB7uC5GtFMZibpZRocECraZ8HdICBbC7ZsrJmYvR03gbjM5rswB8bgH5va8jPQTgMiIoz6XB+5OESCWTP5tJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T03:55:37.912344Z"},"content_sha256":"2b667b593e5b17be8eaf1cd6c798ea24194052dec5139b68c5cb77500ae59714","schema_version":"1.0","event_id":"sha256:2b667b593e5b17be8eaf1cd6c798ea24194052dec5139b68c5cb77500ae59714"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3LBNPI676KPM3TWM7BE7UILRI7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunable ferromagnetic resonance in coupled trilayers with crossed in-plane and perpendicular magnetic anisotropies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Aurelio Hierro-Rodr\\'iguez, Carlos Quir\\'os, Daniel Mark\\'o, David S. Schmool, Fernando Vald\\'es-Bango, Jos\\'e Ignacio Mart\\'in, Jos\\'e Mar\\'ia Alameda, Luis Manuel \\'Alvarez-Prado, Mar\\'ia V\\'elez","submitted_at":"2019-04-30T14:27:13Z","abstract_excerpt":"A novel approach to tune the ferromagnetic resonance frequency of a soft magnetic Ni$_{80}$Fe$_{20}$ (Permalloy = Py) film with in-plane magnetic anisotropy (IMA) based on the controlled coupling to a hard magnetic NdCo$_\\text{x}$ film with perpendicular magnetic anisotropy (PMA) through a non-magnetic Al spacer is studied. Using transverse magneto-optical Kerr effect (TMOKE), alternating gradient magnetometry (AGM) as well as vector network analyzer ferromagnetic resonance (VNA-FMR) spectroscopy, the influence of both Co concentration and Al spacer thickness on the static and dynamic magnetic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.13275","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/1904.13275/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":"2026-07-05T00:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VI11tND+Bk0mY5663DcGPGLg2+c8AeC2HxStp190mSAyT7DVc9OOQl79N6m4D3Klj3wuzW8lNkXVKeMDsdZhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T03:55:37.912761Z"},"content_sha256":"c4a21bd91e1e696fd059aa400c910d28de8275294dffe01f182139d92b978636","schema_version":"1.0","event_id":"sha256:c4a21bd91e1e696fd059aa400c910d28de8275294dffe01f182139d92b978636"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3LBNPI676KPM3TWM7BE7UILRI7/bundle.json","state_url":"https://pith.science/pith/3LBNPI676KPM3TWM7BE7UILRI7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3LBNPI676KPM3TWM7BE7UILRI7/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":"2026-08-22T03:55:37Z","links":{"resolver":"https://pith.science/pith/3LBNPI676KPM3TWM7BE7UILRI7","bundle":"https://pith.science/pith/3LBNPI676KPM3TWM7BE7UILRI7/bundle.json","state":"https://pith.science/pith/3LBNPI676KPM3TWM7BE7UILRI7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3LBNPI676KPM3TWM7BE7UILRI7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3LBNPI676KPM3TWM7BE7UILRI7","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":"5800d511b08d08d54284f76145d91cc63bf97c116a0db149633c3850c450bff8","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-30T14:27:13Z","title_canon_sha256":"c0f16f3990dd2b6745e52a2f56e414ebe0737980e647789800f0f0dd0d7f17f8"},"schema_version":"1.0","source":{"id":"1904.13275","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.13275","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1904.13275v1","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.13275","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"3LBNPI676KPM","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"pith_short_16","alias_value":"3LBNPI676KPM3TWM","created_at":"2026-07-05T00:36:22Z"},{"alias_kind":"pith_short_8","alias_value":"3LBNPI67","created_at":"2026-07-05T00:36:22Z"}],"graph_snapshots":[{"event_id":"sha256:c4a21bd91e1e696fd059aa400c910d28de8275294dffe01f182139d92b978636","target":"graph","created_at":"2026-07-05T00:36:22Z","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/1904.13275/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A novel approach to tune the ferromagnetic resonance frequency of a soft magnetic Ni$_{80}$Fe$_{20}$ (Permalloy = Py) film with in-plane magnetic anisotropy (IMA) based on the controlled coupling to a hard magnetic NdCo$_\\text{x}$ film with perpendicular magnetic anisotropy (PMA) through a non-magnetic Al spacer is studied. Using transverse magneto-optical Kerr effect (TMOKE), alternating gradient magnetometry (AGM) as well as vector network analyzer ferromagnetic resonance (VNA-FMR) spectroscopy, the influence of both Co concentration and Al spacer thickness on the static and dynamic magnetic","authors_text":"Aurelio Hierro-Rodr\\'iguez, Carlos Quir\\'os, Daniel Mark\\'o, David S. Schmool, Fernando Vald\\'es-Bango, Jos\\'e Ignacio Mart\\'in, Jos\\'e Mar\\'ia Alameda, Luis Manuel \\'Alvarez-Prado, Mar\\'ia V\\'elez","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-30T14:27:13Z","title":"Tunable ferromagnetic resonance in coupled trilayers with crossed in-plane and perpendicular magnetic anisotropies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.13275","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":"sha256:2b667b593e5b17be8eaf1cd6c798ea24194052dec5139b68c5cb77500ae59714","target":"record","created_at":"2026-07-05T00:36:22Z","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":"5800d511b08d08d54284f76145d91cc63bf97c116a0db149633c3850c450bff8","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-30T14:27:13Z","title_canon_sha256":"c0f16f3990dd2b6745e52a2f56e414ebe0737980e647789800f0f0dd0d7f17f8"},"schema_version":"1.0","source":{"id":"1904.13275","kind":"arxiv","version":1}},"canonical_sha256":"dac2d7a3dff29ecdceccf849fa217147d6211b053aa1fab81a389c14d6aee6e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dac2d7a3dff29ecdceccf849fa217147d6211b053aa1fab81a389c14d6aee6e4","first_computed_at":"2026-07-05T00:36:22.341290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:36:22.341290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IzDeyjCVqJusKQncb89hSko/4QgGPzNBUhzzKcYh4VxvKKhJEV2sQZ4cM8ZspZ9LvhkRZpMGSRm8/Bv6c33DCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:36:22.341777Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.13275","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b667b593e5b17be8eaf1cd6c798ea24194052dec5139b68c5cb77500ae59714","sha256:c4a21bd91e1e696fd059aa400c910d28de8275294dffe01f182139d92b978636"],"state_sha256":"ca9bbfd4f6948938034bd37bbbad0ce4d283b661f58bb7eb91fe448055ea2be8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uHzEcnCjbmAT9CP65FlY+HvauQxQk8jfinzrxUM4xKw9Ez/mpm9LZcjpoqrYJNKM+yZ440VN8Lx4zstwY1xhAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T03:55:37.916625Z","bundle_sha256":"dc50d43df55333453f2ff45f1ae232fc8e0a209ed349df551f504a5466fc2dd2"}}