{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:MXMIPXE6MI7PACBKHZRFGNERGE","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":"3c35232a683b4f0c9f8c3040750ba47df9c8dad2c75e66695bdc1f669822af32","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-01T15:27:02Z","title_canon_sha256":"1162521bc346ebd9403a80e91e1611da359f85444065ac08a820884a22d6f03a"},"schema_version":"1.0","source":{"id":"0905.0103","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0103","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0103v1","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0103","created_at":"2026-05-18T02:13:48Z"},{"alias_kind":"pith_short_12","alias_value":"MXMIPXE6MI7P","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"MXMIPXE6MI7PACBK","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"MXMIPXE6","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:fad31c2078926b9c30ee9bbfd6cf6022c00e451263ef3f13de85e1f355401717","target":"graph","created_at":"2026-05-18T02:13:48Z","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":"We report on the experimental investigation of a high-frequency\n  (1MHz - 1.8GHz) dielectric dispersion in unpoled and poled\n  Pb(Zr,Ti)O3 ceramics. Two overlapping loss peaks could be revealed in the dielectric spectrum. The linear dependence between the lower-frequency peak position and average grain size D, which holds for D< 10mkm, indicates that the corresponding polarization mechanism originates from piezoelectric resonances of grains. The intensity of the higher-frequency peak is drastically reduced by poling. It is thus proposed that this loss peak is related to domain-wall contributio","authors_text":"Dragan Damjanovic, Li Jin, Viktor Porokhonskyy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-01T15:27:02Z","title":"Separation of piezoelectric grain resonance and domain wall dispersion in PZT ceramics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0103","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:e4b1d365270aa3792961389b61753d5cc7cbfd5fc8dbcaa945148321f2f07a9f","target":"record","created_at":"2026-05-18T02:13:48Z","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":"3c35232a683b4f0c9f8c3040750ba47df9c8dad2c75e66695bdc1f669822af32","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-01T15:27:02Z","title_canon_sha256":"1162521bc346ebd9403a80e91e1611da359f85444065ac08a820884a22d6f03a"},"schema_version":"1.0","source":{"id":"0905.0103","kind":"arxiv","version":1}},"canonical_sha256":"65d887dc9e623ef0082a3e62533491312570b1091c8ae83d27d67ec2c15d64d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65d887dc9e623ef0082a3e62533491312570b1091c8ae83d27d67ec2c15d64d3","first_computed_at":"2026-05-18T02:13:48.521666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:48.521666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hf43qxdybceyPKJOfPGB52QxtsJa7Pn3NnD3zI+/xVXPlc5p4GPsEMZ5tAokUlkh/G+mhwGulfwv1QmHxaZgCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:48.522492Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.0103","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4b1d365270aa3792961389b61753d5cc7cbfd5fc8dbcaa945148321f2f07a9f","sha256:fad31c2078926b9c30ee9bbfd6cf6022c00e451263ef3f13de85e1f355401717"],"state_sha256":"0c19d77f1c9798a26f91d66a9a3b38ffafdd6464ce2ba335c9148c9955cc9924"}