{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:EP7ADETSZPOM7HI3WK37OZIJWJ","short_pith_number":"pith:EP7ADETS","canonical_record":{"source":{"id":"2308.15428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-29T16:34:06Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"b60f98527fc03560a4794ed3d50d57f6ce664372da2cb3621c4be0c519284aeb","abstract_canon_sha256":"de27aac3e3a12ba2a642199eefc5bf700c4ea90264aabe13332a13ee9ddd75d1"},"schema_version":"1.0"},"canonical_sha256":"23fe019272cbdccf9d1bb2b7f76509b27b6e1b63bc290ee895db2bf996600dd0","source":{"kind":"arxiv","id":"2308.15428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.15428","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"arxiv_version","alias_value":"2308.15428v1","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.15428","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"pith_short_12","alias_value":"EP7ADETSZPOM","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"pith_short_16","alias_value":"EP7ADETSZPOM7HI3","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"pith_short_8","alias_value":"EP7ADETS","created_at":"2026-07-05T06:45:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:EP7ADETSZPOM7HI3WK37OZIJWJ","target":"record","payload":{"canonical_record":{"source":{"id":"2308.15428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-29T16:34:06Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"b60f98527fc03560a4794ed3d50d57f6ce664372da2cb3621c4be0c519284aeb","abstract_canon_sha256":"de27aac3e3a12ba2a642199eefc5bf700c4ea90264aabe13332a13ee9ddd75d1"},"schema_version":"1.0"},"canonical_sha256":"23fe019272cbdccf9d1bb2b7f76509b27b6e1b63bc290ee895db2bf996600dd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:45:54.510025Z","signature_b64":"jfHQ/91wcyUee3QRZV0qwFtArW09CqDk8s7DJu8h6UhWPJuF9JVqzlZY28ArlE+I2lZrwY+KM7wtFr2+TPkjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23fe019272cbdccf9d1bb2b7f76509b27b6e1b63bc290ee895db2bf996600dd0","last_reissued_at":"2026-07-05T06:45:54.509594Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:45:54.509594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.15428","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":"2026-07-05T06:45:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rCF9RNEFbM0laAWS9m69I3AKF2W4RedsuMqdkGoXrcZ/uOjNTzxZX2DFmidqqpNA/+N/AY1fBYGZLVVspP7IBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:12:51.875981Z"},"content_sha256":"7bbb1ae1427d24041d73e9c281c8617ae97b4f36c32c9d1e0ca721930e28eb77","schema_version":"1.0","event_id":"sha256:7bbb1ae1427d24041d73e9c281c8617ae97b4f36c32c9d1e0ca721930e28eb77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:EP7ADETSZPOM7HI3WK37OZIJWJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-biased magnetoelectric Ni/LiNbO3/Ni for body embedded electronic energy harvesters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aur\\'elie Gensbittel, Hakeim Talleb, Lo\\\"ic Becerra, Massimiliano Marangolo, Tianwen Huang, Ulises Acevedo Salas, Yunlin Zheng, Zhuoxiang Ren","submitted_at":"2023-08-29T16:34:06Z","abstract_excerpt":"In this study, we present the fabrication and characterization of Ni/LiNbO3/Ni trilayers using RF sputtering. These trilayers exhibit thick Ni layers (10 microns) and excellent adherence to the substrate, enabling high magnetoelectric coefficients. By engineering the magnetic anisotropy of Nickel through anisotropic thermal residual stress induced during fabrication, and by selecting a carefully chosen cut angle for the LiNbO3 substrate, we achieved a self-biased behavior. We demonstrate that these trilayers can power medical implant devices remotely using a small AC magnetic field excitation,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.15428","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/2308.15428/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":"2026-07-05T06:45:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"65UKzVD0aTqBhEZ6k7OpoWusiPx/sBn6vCTYr0UNXKapqYTOeSwjVfD3m0sYW3mUHqdnLe/V+UZVpUiqcKpSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:12:51.876655Z"},"content_sha256":"8d559dc294471daf00cc0c9d18a43e7089f2dc1641ccf4e46ce8d007836f4371","schema_version":"1.0","event_id":"sha256:8d559dc294471daf00cc0c9d18a43e7089f2dc1641ccf4e46ce8d007836f4371"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EP7ADETSZPOM7HI3WK37OZIJWJ/bundle.json","state_url":"https://pith.science/pith/EP7ADETSZPOM7HI3WK37OZIJWJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EP7ADETSZPOM7HI3WK37OZIJWJ/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":"2026-08-05T06:12:51Z","links":{"resolver":"https://pith.science/pith/EP7ADETSZPOM7HI3WK37OZIJWJ","bundle":"https://pith.science/pith/EP7ADETSZPOM7HI3WK37OZIJWJ/bundle.json","state":"https://pith.science/pith/EP7ADETSZPOM7HI3WK37OZIJWJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EP7ADETSZPOM7HI3WK37OZIJWJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:EP7ADETSZPOM7HI3WK37OZIJWJ","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":"de27aac3e3a12ba2a642199eefc5bf700c4ea90264aabe13332a13ee9ddd75d1","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-29T16:34:06Z","title_canon_sha256":"b60f98527fc03560a4794ed3d50d57f6ce664372da2cb3621c4be0c519284aeb"},"schema_version":"1.0","source":{"id":"2308.15428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.15428","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"arxiv_version","alias_value":"2308.15428v1","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.15428","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"pith_short_12","alias_value":"EP7ADETSZPOM","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"pith_short_16","alias_value":"EP7ADETSZPOM7HI3","created_at":"2026-07-05T06:45:54Z"},{"alias_kind":"pith_short_8","alias_value":"EP7ADETS","created_at":"2026-07-05T06:45:54Z"}],"graph_snapshots":[{"event_id":"sha256:8d559dc294471daf00cc0c9d18a43e7089f2dc1641ccf4e46ce8d007836f4371","target":"graph","created_at":"2026-07-05T06:45:54Z","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/2308.15428/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this study, we present the fabrication and characterization of Ni/LiNbO3/Ni trilayers using RF sputtering. These trilayers exhibit thick Ni layers (10 microns) and excellent adherence to the substrate, enabling high magnetoelectric coefficients. By engineering the magnetic anisotropy of Nickel through anisotropic thermal residual stress induced during fabrication, and by selecting a carefully chosen cut angle for the LiNbO3 substrate, we achieved a self-biased behavior. We demonstrate that these trilayers can power medical implant devices remotely using a small AC magnetic field excitation,","authors_text":"Aur\\'elie Gensbittel, Hakeim Talleb, Lo\\\"ic Becerra, Massimiliano Marangolo, Tianwen Huang, Ulises Acevedo Salas, Yunlin Zheng, Zhuoxiang Ren","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-29T16:34:06Z","title":"Self-biased magnetoelectric Ni/LiNbO3/Ni for body embedded electronic energy harvesters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.15428","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":"sha256:7bbb1ae1427d24041d73e9c281c8617ae97b4f36c32c9d1e0ca721930e28eb77","target":"record","created_at":"2026-07-05T06:45:54Z","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":"de27aac3e3a12ba2a642199eefc5bf700c4ea90264aabe13332a13ee9ddd75d1","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-08-29T16:34:06Z","title_canon_sha256":"b60f98527fc03560a4794ed3d50d57f6ce664372da2cb3621c4be0c519284aeb"},"schema_version":"1.0","source":{"id":"2308.15428","kind":"arxiv","version":1}},"canonical_sha256":"23fe019272cbdccf9d1bb2b7f76509b27b6e1b63bc290ee895db2bf996600dd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23fe019272cbdccf9d1bb2b7f76509b27b6e1b63bc290ee895db2bf996600dd0","first_computed_at":"2026-07-05T06:45:54.509594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:45:54.509594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jfHQ/91wcyUee3QRZV0qwFtArW09CqDk8s7DJu8h6UhWPJuF9JVqzlZY28ArlE+I2lZrwY+KM7wtFr2+TPkjBg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:45:54.510025Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.15428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bbb1ae1427d24041d73e9c281c8617ae97b4f36c32c9d1e0ca721930e28eb77","sha256:8d559dc294471daf00cc0c9d18a43e7089f2dc1641ccf4e46ce8d007836f4371"],"state_sha256":"5cf9fee2ad471161bb1dc42feceef5691b566fe9ac9a0781137fcd4d43d6b1b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mehXZcIXWm9Pc1ftZlIKaNUXkU84JBr71L/8D+86PE+NISAW8UgGjrTbZtzm1CWAmzEWczlqHrv+31Z/Ozz8Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:12:51.883293Z","bundle_sha256":"fe16d2a8b99661cf42485abac768e5d7621340a805a0bfe6e3d8459a8c8d3373"}}