{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7KIU6JDUEOO4GXYSF4KLQWZ3P6","short_pith_number":"pith:7KIU6JDU","canonical_record":{"source":{"id":"1407.2435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-09T11:12:31Z","cross_cats_sorted":[],"title_canon_sha256":"d701989d83aeb3fe252b881e613216026bc24ecec108c14c0ae2456011c47d74","abstract_canon_sha256":"aeed49e02deb6a8bd0e1e9254504530a1d2bacf384fd619c48d6eb551c2b98bf"},"schema_version":"1.0"},"canonical_sha256":"fa914f2474239dc35f122f14b85b3b7fb51a7cb5a98728b4bb0d01a42b0aec82","source":{"kind":"arxiv","id":"1407.2435","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.2435","created_at":"2026-05-18T02:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"1407.2435v1","created_at":"2026-05-18T02:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2435","created_at":"2026-05-18T02:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"7KIU6JDUEOO4","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7KIU6JDUEOO4GXYS","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7KIU6JDU","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7KIU6JDUEOO4GXYSF4KLQWZ3P6","target":"record","payload":{"canonical_record":{"source":{"id":"1407.2435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-09T11:12:31Z","cross_cats_sorted":[],"title_canon_sha256":"d701989d83aeb3fe252b881e613216026bc24ecec108c14c0ae2456011c47d74","abstract_canon_sha256":"aeed49e02deb6a8bd0e1e9254504530a1d2bacf384fd619c48d6eb551c2b98bf"},"schema_version":"1.0"},"canonical_sha256":"fa914f2474239dc35f122f14b85b3b7fb51a7cb5a98728b4bb0d01a42b0aec82","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:01.561681Z","signature_b64":"o+CFn8cYY/PgKtWHq4BpIGXUwfwuc5E0V9lwnarP88DEjGKDTRdmu4RW9xrwk9stfJBlrrexR5JINoLBojmhAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa914f2474239dc35f122f14b85b3b7fb51a7cb5a98728b4bb0d01a42b0aec82","last_reissued_at":"2026-05-18T02:48:01.561169Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:01.561169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.2435","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":"2026-05-18T02:48:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w09DsBx0O2cE7vulIDVuTa6M6islfUJRrWQeRMVKJIegfl2pSKmyPCh1Eaz4G0jePRzPXeulfEIKwkvffFc0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:29:22.440554Z"},"content_sha256":"ca040e9d6a362168a2c9c0005852d1df10b8d0e5f54d666de5605a7fa1b935c0","schema_version":"1.0","event_id":"sha256:ca040e9d6a362168a2c9c0005852d1df10b8d0e5f54d666de5605a7fa1b935c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7KIU6JDUEOO4GXYSF4KLQWZ3P6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discussion on `Characterization of 1-3 piezoelectric polymer composites - a numerical and analytical evaluation procedure for thickness mode vibrations' by C.V. Madhusudhana Rao, G. Prasad, Condens. Matter Phys., 2010, Vol.13, No.1, 13703","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Y. Sun, Z. Li","submitted_at":"2014-07-09T11:12:31Z","abstract_excerpt":"In the paper entitled \"Characterization of 1-3 piezoelectric polymer composites - a numerical and analytical evaluation procedure for thickness mode vibrations\", the dependence of the thickness electromechanical coupling coefficient on the aspect ratio of piezoceramic fibers is studied by finite element simulation for various volume fractions of piezoceramic fibers in a 1-3 composite. The accuracy of the results is questionable because the boundary condition claiming that `predefined displacements are applied perpendicularly on $C^+$ plane on all nodes' is not suitable for the analysis of 1-3 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2435","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":"2026-05-18T02:48:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"euv4Aa6rXEZXG8tm9+7MbZp/UWQbaAvLSEbTnA4eUdOMRkWIs0BXSq9KHabJUwEV+2a5Z2f/XVrFqjXe17MdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:29:22.441006Z"},"content_sha256":"ff7177712166e93ec81136f0898abf898214b7473a42f1f032c2336b71574dd3","schema_version":"1.0","event_id":"sha256:ff7177712166e93ec81136f0898abf898214b7473a42f1f032c2336b71574dd3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6/bundle.json","state_url":"https://pith.science/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6/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":"2026-08-07T08:29:22Z","links":{"resolver":"https://pith.science/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6","bundle":"https://pith.science/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6/bundle.json","state":"https://pith.science/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KIU6JDUEOO4GXYSF4KLQWZ3P6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7KIU6JDUEOO4GXYSF4KLQWZ3P6","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":"aeed49e02deb6a8bd0e1e9254504530a1d2bacf384fd619c48d6eb551c2b98bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-09T11:12:31Z","title_canon_sha256":"d701989d83aeb3fe252b881e613216026bc24ecec108c14c0ae2456011c47d74"},"schema_version":"1.0","source":{"id":"1407.2435","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.2435","created_at":"2026-05-18T02:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"1407.2435v1","created_at":"2026-05-18T02:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2435","created_at":"2026-05-18T02:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"7KIU6JDUEOO4","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7KIU6JDUEOO4GXYS","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7KIU6JDU","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:ff7177712166e93ec81136f0898abf898214b7473a42f1f032c2336b71574dd3","target":"graph","created_at":"2026-05-18T02:48:01Z","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":"In the paper entitled \"Characterization of 1-3 piezoelectric polymer composites - a numerical and analytical evaluation procedure for thickness mode vibrations\", the dependence of the thickness electromechanical coupling coefficient on the aspect ratio of piezoceramic fibers is studied by finite element simulation for various volume fractions of piezoceramic fibers in a 1-3 composite. The accuracy of the results is questionable because the boundary condition claiming that `predefined displacements are applied perpendicularly on $C^+$ plane on all nodes' is not suitable for the analysis of 1-3 ","authors_text":"Y. Sun, Z. Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-09T11:12:31Z","title":"Discussion on `Characterization of 1-3 piezoelectric polymer composites - a numerical and analytical evaluation procedure for thickness mode vibrations' by C.V. Madhusudhana Rao, G. Prasad, Condens. Matter Phys., 2010, Vol.13, No.1, 13703"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2435","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:ca040e9d6a362168a2c9c0005852d1df10b8d0e5f54d666de5605a7fa1b935c0","target":"record","created_at":"2026-05-18T02:48:01Z","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":"aeed49e02deb6a8bd0e1e9254504530a1d2bacf384fd619c48d6eb551c2b98bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-09T11:12:31Z","title_canon_sha256":"d701989d83aeb3fe252b881e613216026bc24ecec108c14c0ae2456011c47d74"},"schema_version":"1.0","source":{"id":"1407.2435","kind":"arxiv","version":1}},"canonical_sha256":"fa914f2474239dc35f122f14b85b3b7fb51a7cb5a98728b4bb0d01a42b0aec82","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa914f2474239dc35f122f14b85b3b7fb51a7cb5a98728b4bb0d01a42b0aec82","first_computed_at":"2026-05-18T02:48:01.561169Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:01.561169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o+CFn8cYY/PgKtWHq4BpIGXUwfwuc5E0V9lwnarP88DEjGKDTRdmu4RW9xrwk9stfJBlrrexR5JINoLBojmhAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:01.561681Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.2435","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca040e9d6a362168a2c9c0005852d1df10b8d0e5f54d666de5605a7fa1b935c0","sha256:ff7177712166e93ec81136f0898abf898214b7473a42f1f032c2336b71574dd3"],"state_sha256":"9d97f0d8231059d8fde530d372890d8abf47ba7f17c49f33e6bb37809cfdd31b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nYSR0FF21tXG7qVgugijsaatH8oDX+YBBI+eqk6bGldA1QRbMhVHYg/UDeVESZacCzjzyy1dcNc6IdsrI2K3CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:29:22.445708Z","bundle_sha256":"e90067390c634c3d9f0dfcd10161b2bab1cf9be1075093ebff707bb5cdcf1679"}}