{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:LF6BRCWU5K6JOTJQVEXFXH4YTY","short_pith_number":"pith:LF6BRCWU","canonical_record":{"source":{"id":"0708.4257","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-31T00:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"f34105d794a576f48785f30d7cacbc026f89631e587e76f07750be0eefa322bf","abstract_canon_sha256":"f2d51a7e94fcc3161b706f98f3ed4985964a4e862de9dab27d6d574df710ad1d"},"schema_version":"1.0"},"canonical_sha256":"597c188ad4eabc974d30a92e5b9f989e2974fa58fa702b861ebcde02d2e31b4e","source":{"kind":"arxiv","id":"0708.4257","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.4257","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"arxiv_version","alias_value":"0708.4257v1","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.4257","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"pith_short_12","alias_value":"LF6BRCWU5K6J","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"pith_short_16","alias_value":"LF6BRCWU5K6JOTJQ","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"pith_short_8","alias_value":"LF6BRCWU","created_at":"2026-07-04T15:03:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:LF6BRCWU5K6JOTJQVEXFXH4YTY","target":"record","payload":{"canonical_record":{"source":{"id":"0708.4257","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-31T00:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"f34105d794a576f48785f30d7cacbc026f89631e587e76f07750be0eefa322bf","abstract_canon_sha256":"f2d51a7e94fcc3161b706f98f3ed4985964a4e862de9dab27d6d574df710ad1d"},"schema_version":"1.0"},"canonical_sha256":"597c188ad4eabc974d30a92e5b9f989e2974fa58fa702b861ebcde02d2e31b4e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:03:56.787741Z","signature_b64":"ik1BOaQgH8r58OZ85sl9Xrs1iypBpI7n8o4dRzcpG+huySuXBQh7fiTKTorVb4/47IL8iqcruTTUNOVhIUFdBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"597c188ad4eabc974d30a92e5b9f989e2974fa58fa702b861ebcde02d2e31b4e","last_reissued_at":"2026-07-04T15:03:56.787344Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:03:56.787344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0708.4257","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":"2026-07-04T15:03:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H+8nPtu+BJtfF+JOdutChwCPywq65c7Yzd5I+B5dtXcJI9lfQAwbNgKpy3Ov9G6yaUmam35CRbqu2z8F+QyHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T15:53:14.689246Z"},"content_sha256":"b3a8c021a035280e33363a33f9f0c1184729829064f21b3c46114e5f674a34f0","schema_version":"1.0","event_id":"sha256:b3a8c021a035280e33363a33f9f0c1184729829064f21b3c46114e5f674a34f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:LF6BRCWU5K6JOTJQVEXFXH4YTY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant magnetoelectric effect under high bias fields in cylindrical bilayered Ni-PZT composites","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. A. Pan, J. Lu, L. J. Qiao, W. Y. Chu, Y. Bai","submitted_at":"2007-08-31T00:44:09Z","abstract_excerpt":"For conventional plate and disc layered magnetoelectric (ME) composites, the ME effect appeared under low bias magnetic fields, which caused by line magnetostriction. In this paper, we present a new structure ME composites, cylindrical bilayered composites. Unexpectedly, the ME effect also appeared under high magnetic fields in this cylindrical bilayered Ni-lead zirconate titanate (PZT) composite. We thought this ME effect caused by volume magnetostriction. The results showed that the ME voltage coefficient of the cylindrical bilayered composite of Ni-PZT was the sum of aE(l) caused by line ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.4257","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/0708.4257/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":"2026-07-04T15:03:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iw5YHeJBybtX9vG/o741SCjW6yDdnwWBOv7QeQfEBiWW0mxQo+PZYvNan3amHug+VXzOgyyzMQO8rSs81jPyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T15:53:14.689644Z"},"content_sha256":"6bf65c4887ff54d4050af20d7b965b7baf38d1a1f5c82670151047b44c331e6a","schema_version":"1.0","event_id":"sha256:6bf65c4887ff54d4050af20d7b965b7baf38d1a1f5c82670151047b44c331e6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY/bundle.json","state_url":"https://pith.science/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY/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":"2026-07-25T15:53:14Z","links":{"resolver":"https://pith.science/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY","bundle":"https://pith.science/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY/bundle.json","state":"https://pith.science/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LF6BRCWU5K6JOTJQVEXFXH4YTY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:LF6BRCWU5K6JOTJQVEXFXH4YTY","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":"f2d51a7e94fcc3161b706f98f3ed4985964a4e862de9dab27d6d574df710ad1d","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-31T00:44:09Z","title_canon_sha256":"f34105d794a576f48785f30d7cacbc026f89631e587e76f07750be0eefa322bf"},"schema_version":"1.0","source":{"id":"0708.4257","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.4257","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"arxiv_version","alias_value":"0708.4257v1","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.4257","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"pith_short_12","alias_value":"LF6BRCWU5K6J","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"pith_short_16","alias_value":"LF6BRCWU5K6JOTJQ","created_at":"2026-07-04T15:03:56Z"},{"alias_kind":"pith_short_8","alias_value":"LF6BRCWU","created_at":"2026-07-04T15:03:56Z"}],"graph_snapshots":[{"event_id":"sha256:6bf65c4887ff54d4050af20d7b965b7baf38d1a1f5c82670151047b44c331e6a","target":"graph","created_at":"2026-07-04T15:03:56Z","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/0708.4257/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For conventional plate and disc layered magnetoelectric (ME) composites, the ME effect appeared under low bias magnetic fields, which caused by line magnetostriction. In this paper, we present a new structure ME composites, cylindrical bilayered composites. Unexpectedly, the ME effect also appeared under high magnetic fields in this cylindrical bilayered Ni-lead zirconate titanate (PZT) composite. We thought this ME effect caused by volume magnetostriction. The results showed that the ME voltage coefficient of the cylindrical bilayered composite of Ni-PZT was the sum of aE(l) caused by line ma","authors_text":"D. A. Pan, J. Lu, L. J. Qiao, W. Y. Chu, Y. Bai","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-31T00:44:09Z","title":"Giant magnetoelectric effect under high bias fields in cylindrical bilayered Ni-PZT composites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.4257","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:b3a8c021a035280e33363a33f9f0c1184729829064f21b3c46114e5f674a34f0","target":"record","created_at":"2026-07-04T15:03:56Z","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":"f2d51a7e94fcc3161b706f98f3ed4985964a4e862de9dab27d6d574df710ad1d","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-31T00:44:09Z","title_canon_sha256":"f34105d794a576f48785f30d7cacbc026f89631e587e76f07750be0eefa322bf"},"schema_version":"1.0","source":{"id":"0708.4257","kind":"arxiv","version":1}},"canonical_sha256":"597c188ad4eabc974d30a92e5b9f989e2974fa58fa702b861ebcde02d2e31b4e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"597c188ad4eabc974d30a92e5b9f989e2974fa58fa702b861ebcde02d2e31b4e","first_computed_at":"2026-07-04T15:03:56.787344Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:03:56.787344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ik1BOaQgH8r58OZ85sl9Xrs1iypBpI7n8o4dRzcpG+huySuXBQh7fiTKTorVb4/47IL8iqcruTTUNOVhIUFdBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:03:56.787741Z","signed_message":"canonical_sha256_bytes"},"source_id":"0708.4257","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3a8c021a035280e33363a33f9f0c1184729829064f21b3c46114e5f674a34f0","sha256:6bf65c4887ff54d4050af20d7b965b7baf38d1a1f5c82670151047b44c331e6a"],"state_sha256":"827059ad311bd7e18a671c624cf9550d05a87d73c5973edb9f2e940f01556338"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wtP7HNjaWQSx99/4BNln9q4e19ignNhzw2qf5MsGWrW0MckOvvxRVNvdLymop7UeT/PSumN7SjjsrcTyk++kAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T15:53:14.692145Z","bundle_sha256":"f91b6e1f87567c9cc38bd6d5ed6cd137cab97ff642649a82f3102c4e8f357239"}}