{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:JQ7U2JIPK5Y5PHV3KS3TK2BQXJ","short_pith_number":"pith:JQ7U2JIP","canonical_record":{"source":{"id":"1301.0135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-01T20:58:48Z","cross_cats_sorted":[],"title_canon_sha256":"a58312b6bab827ab6edf196025a69c8162fc4e789104e690b07b7b4b9ce712b0","abstract_canon_sha256":"5630a866da41ae661afde7f47f6660d2840162bf12620ac9065067cc36a5ee35"},"schema_version":"1.0"},"canonical_sha256":"4c3f4d250f5771d79ebb54b7356830ba632c50da911b89a59d87ed0a88c9099f","source":{"kind":"arxiv","id":"1301.0135","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.0135","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"arxiv_version","alias_value":"1301.0135v1","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0135","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"pith_short_12","alias_value":"JQ7U2JIPK5Y5","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JQ7U2JIPK5Y5PHV3","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JQ7U2JIP","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:JQ7U2JIPK5Y5PHV3KS3TK2BQXJ","target":"record","payload":{"canonical_record":{"source":{"id":"1301.0135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-01T20:58:48Z","cross_cats_sorted":[],"title_canon_sha256":"a58312b6bab827ab6edf196025a69c8162fc4e789104e690b07b7b4b9ce712b0","abstract_canon_sha256":"5630a866da41ae661afde7f47f6660d2840162bf12620ac9065067cc36a5ee35"},"schema_version":"1.0"},"canonical_sha256":"4c3f4d250f5771d79ebb54b7356830ba632c50da911b89a59d87ed0a88c9099f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:22.376504Z","signature_b64":"LwySssIGQoIqMg81ljsEq+2MF23fC4KSQtwIORCHJstfVzqkWlntI1ZWiLbyDFXB6apiz4hEJ/7idmT4NptoCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c3f4d250f5771d79ebb54b7356830ba632c50da911b89a59d87ed0a88c9099f","last_reissued_at":"2026-05-18T01:52:22.375928Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:22.375928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.0135","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":"2026-05-18T01:52:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JvvYDtoNvBPa7vpKcNcmtqSJvkqbjCmOBsHdFRJmsQ6zpTdTVpqlxNuz6cfdluQa0ZKr5wSCDh1LPFDloi9bBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T05:07:30.769668Z"},"content_sha256":"c3f44ab7110bcc0d1f5e1836165b893a1dc3d4ede3203838e6b2f97498e52d10","schema_version":"1.0","event_id":"sha256:c3f44ab7110bcc0d1f5e1836165b893a1dc3d4ede3203838e6b2f97498e52d10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:JQ7U2JIPK5Y5PHV3KS3TK2BQXJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effective piezoelectric response of twin walls in ferroelectrics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Anna N. Morozovska, Eugene A. Eliseev, Olexander V. Varenyk, Sergei V. Kalinin","submitted_at":"2013-01-01T20:58:48Z","abstract_excerpt":"The effective piezoelectric coefficients of twin walls in tetragonal ferroelectric are calculated in the framework of decoupling approximation and Landau-Ginzburg-Devonshire theory allowing for polarization gradient terms, electrostriction and flexoelectric coupling. Using an example of piezoelectric response of a1-a2 twins to a homogeneous electric field, we show that the response is almost independent on the flexoelectric coupling, but is very sensitive to the values of polarization gradient coefficients. This behavior originates from the strong coupling between local dielectric susceptibili"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0135","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":""},"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":"2026-05-18T01:52:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LCL3FlTf6+NVlwYpaXJFKxJEx7a4on/ioQYtoLvK+hrGVun+nY3QrmLKyZhuEAWV6d2OM8NIV5/2mHfEV14QAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T05:07:30.770308Z"},"content_sha256":"b89a9ba3f1b09baf8c8ed9e08e31712a8fe11f28039871563fda491c03bc80a3","schema_version":"1.0","event_id":"sha256:b89a9ba3f1b09baf8c8ed9e08e31712a8fe11f28039871563fda491c03bc80a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ/bundle.json","state_url":"https://pith.science/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ/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":"2026-06-07T05:07:30Z","links":{"resolver":"https://pith.science/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ","bundle":"https://pith.science/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ/bundle.json","state":"https://pith.science/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQ7U2JIPK5Y5PHV3KS3TK2BQXJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:JQ7U2JIPK5Y5PHV3KS3TK2BQXJ","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":"5630a866da41ae661afde7f47f6660d2840162bf12620ac9065067cc36a5ee35","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-01T20:58:48Z","title_canon_sha256":"a58312b6bab827ab6edf196025a69c8162fc4e789104e690b07b7b4b9ce712b0"},"schema_version":"1.0","source":{"id":"1301.0135","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.0135","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"arxiv_version","alias_value":"1301.0135v1","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0135","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"pith_short_12","alias_value":"JQ7U2JIPK5Y5","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JQ7U2JIPK5Y5PHV3","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JQ7U2JIP","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:b89a9ba3f1b09baf8c8ed9e08e31712a8fe11f28039871563fda491c03bc80a3","target":"graph","created_at":"2026-05-18T01:52:22Z","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"},"paper":{"abstract_excerpt":"The effective piezoelectric coefficients of twin walls in tetragonal ferroelectric are calculated in the framework of decoupling approximation and Landau-Ginzburg-Devonshire theory allowing for polarization gradient terms, electrostriction and flexoelectric coupling. Using an example of piezoelectric response of a1-a2 twins to a homogeneous electric field, we show that the response is almost independent on the flexoelectric coupling, but is very sensitive to the values of polarization gradient coefficients. This behavior originates from the strong coupling between local dielectric susceptibili","authors_text":"Anna N. Morozovska, Eugene A. Eliseev, Olexander V. Varenyk, Sergei V. Kalinin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-01T20:58:48Z","title":"Effective piezoelectric response of twin walls in ferroelectrics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0135","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:c3f44ab7110bcc0d1f5e1836165b893a1dc3d4ede3203838e6b2f97498e52d10","target":"record","created_at":"2026-05-18T01:52:22Z","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":"5630a866da41ae661afde7f47f6660d2840162bf12620ac9065067cc36a5ee35","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-01T20:58:48Z","title_canon_sha256":"a58312b6bab827ab6edf196025a69c8162fc4e789104e690b07b7b4b9ce712b0"},"schema_version":"1.0","source":{"id":"1301.0135","kind":"arxiv","version":1}},"canonical_sha256":"4c3f4d250f5771d79ebb54b7356830ba632c50da911b89a59d87ed0a88c9099f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c3f4d250f5771d79ebb54b7356830ba632c50da911b89a59d87ed0a88c9099f","first_computed_at":"2026-05-18T01:52:22.375928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:22.375928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LwySssIGQoIqMg81ljsEq+2MF23fC4KSQtwIORCHJstfVzqkWlntI1ZWiLbyDFXB6apiz4hEJ/7idmT4NptoCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:22.376504Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.0135","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3f44ab7110bcc0d1f5e1836165b893a1dc3d4ede3203838e6b2f97498e52d10","sha256:b89a9ba3f1b09baf8c8ed9e08e31712a8fe11f28039871563fda491c03bc80a3"],"state_sha256":"3105519848948a94a067df3a81a08b31a8d7edb96c8c4f31127c80d6d250d5d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJbx5GvH68vfN3jMpJ+saXF9dxeJkEOIiIaxJPBR0nlHj27S8jdrbXC1C3QJYyfjwCWdRucRa6KrI9mr1/moCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T05:07:30.773497Z","bundle_sha256":"3f50098e458bac9d5e9d4521690f0f6908905f35e7caceb1bec1fd8406a0b9e7"}}