{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KOWL3U6UA5WCPTYFWAFF3K4OXD","short_pith_number":"pith:KOWL3U6U","canonical_record":{"source":{"id":"1408.6814","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T19:17:58Z","cross_cats_sorted":[],"title_canon_sha256":"429b6cf1d2a8592aa11e677558c813f8debcb2d9e3c4ed66cf890c74e862f624","abstract_canon_sha256":"c81a6365cc4a4103e3e9739bb205b3e94e50500a81457b894c7bcc9793894083"},"schema_version":"1.0"},"canonical_sha256":"53acbdd3d4076c27cf05b00a5dab8eb8ea5433dc8b9643dec0f6908f36c77992","source":{"kind":"arxiv","id":"1408.6814","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6814","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6814v3","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6814","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"pith_short_12","alias_value":"KOWL3U6UA5WC","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KOWL3U6UA5WCPTYF","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KOWL3U6U","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KOWL3U6UA5WCPTYFWAFF3K4OXD","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6814","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T19:17:58Z","cross_cats_sorted":[],"title_canon_sha256":"429b6cf1d2a8592aa11e677558c813f8debcb2d9e3c4ed66cf890c74e862f624","abstract_canon_sha256":"c81a6365cc4a4103e3e9739bb205b3e94e50500a81457b894c7bcc9793894083"},"schema_version":"1.0"},"canonical_sha256":"53acbdd3d4076c27cf05b00a5dab8eb8ea5433dc8b9643dec0f6908f36c77992","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:12.141692Z","signature_b64":"i6WiBQvy1FbVrca2gPxPr87mmgvy1DsOpcayt0UorfaH5Nh7/RaCZZZ2VOyhRl9fj1sNCD78n0pAA9fXI8feCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53acbdd3d4076c27cf05b00a5dab8eb8ea5433dc8b9643dec0f6908f36c77992","last_reissued_at":"2026-05-18T01:42:12.140988Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:12.140988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6814","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uG7IYb/x7fKE07Dlv7eecfBuR7HRHUCg3lmz0THd4Gai+NmAM/dfbgtEq68X8d0zwKErJB83XAvlBZJUCUwoAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:32:26.124948Z"},"content_sha256":"bc2cd25bffaadc72f5b19b3e8da9c850d0521f9bc292ca782a14c1c6faf2a298","schema_version":"1.0","event_id":"sha256:bc2cd25bffaadc72f5b19b3e8da9c850d0521f9bc292ca782a14c1c6faf2a298"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KOWL3U6UA5WCPTYFWAFF3K4OXD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electric dipole sheets in BaTiO$_{3}$/BaZrO$_{3}$ superlattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bin Xu, C.-L. Jia, Dawei Wang, Fei Li, Zhijun Jiang","submitted_at":"2014-08-28T19:17:58Z","abstract_excerpt":"We investigate two-dimensional electric dipole sheets in the superlattice made of BaTiO$_{3}$ and BaZrO$_{3}$ using first-principles-based Monte-Carlo simulations and density functional calculations. Electric dipole domains and complex patterns are observed and the complex dipole structures with various symmetries (e.g. Pma2, Cmcm and Pmc2_{1}) are further confirmed by density functional calculations, which are found to be almost degenerate in energy with the ferroelectric ground state of the Amm2 symmetry, therefore strongly resembling magnetic sheets. More complex dipole patterns, including "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6814","kind":"arxiv","version":3},"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":"2026-05-18T01:42:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A4UIKHmzU2YdG1vHQtJ4oNT8lvqUEFC4Tds8JtU8/9DMgzezbscbvrXDkXFjbDWiD0dg6iGU6IRD4XMAsg9CCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:32:26.125723Z"},"content_sha256":"ab5fea7f5782f72db1f042929b7446fecb725e4235da71ac5273aefcdbbe0b22","schema_version":"1.0","event_id":"sha256:ab5fea7f5782f72db1f042929b7446fecb725e4235da71ac5273aefcdbbe0b22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD/bundle.json","state_url":"https://pith.science/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD/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":"2026-05-31T01:32:26Z","links":{"resolver":"https://pith.science/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD","bundle":"https://pith.science/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD/bundle.json","state":"https://pith.science/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOWL3U6UA5WCPTYFWAFF3K4OXD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KOWL3U6UA5WCPTYFWAFF3K4OXD","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":"c81a6365cc4a4103e3e9739bb205b3e94e50500a81457b894c7bcc9793894083","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T19:17:58Z","title_canon_sha256":"429b6cf1d2a8592aa11e677558c813f8debcb2d9e3c4ed66cf890c74e862f624"},"schema_version":"1.0","source":{"id":"1408.6814","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6814","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6814v3","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6814","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"pith_short_12","alias_value":"KOWL3U6UA5WC","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KOWL3U6UA5WCPTYF","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KOWL3U6U","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:ab5fea7f5782f72db1f042929b7446fecb725e4235da71ac5273aefcdbbe0b22","target":"graph","created_at":"2026-05-18T01:42:12Z","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 investigate two-dimensional electric dipole sheets in the superlattice made of BaTiO$_{3}$ and BaZrO$_{3}$ using first-principles-based Monte-Carlo simulations and density functional calculations. Electric dipole domains and complex patterns are observed and the complex dipole structures with various symmetries (e.g. Pma2, Cmcm and Pmc2_{1}) are further confirmed by density functional calculations, which are found to be almost degenerate in energy with the ferroelectric ground state of the Amm2 symmetry, therefore strongly resembling magnetic sheets. More complex dipole patterns, including ","authors_text":"Bin Xu, C.-L. Jia, Dawei Wang, Fei Li, Zhijun Jiang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T19:17:58Z","title":"Electric dipole sheets in BaTiO$_{3}$/BaZrO$_{3}$ superlattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6814","kind":"arxiv","version":3},"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:bc2cd25bffaadc72f5b19b3e8da9c850d0521f9bc292ca782a14c1c6faf2a298","target":"record","created_at":"2026-05-18T01:42:12Z","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":"c81a6365cc4a4103e3e9739bb205b3e94e50500a81457b894c7bcc9793894083","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T19:17:58Z","title_canon_sha256":"429b6cf1d2a8592aa11e677558c813f8debcb2d9e3c4ed66cf890c74e862f624"},"schema_version":"1.0","source":{"id":"1408.6814","kind":"arxiv","version":3}},"canonical_sha256":"53acbdd3d4076c27cf05b00a5dab8eb8ea5433dc8b9643dec0f6908f36c77992","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53acbdd3d4076c27cf05b00a5dab8eb8ea5433dc8b9643dec0f6908f36c77992","first_computed_at":"2026-05-18T01:42:12.140988Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:12.140988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i6WiBQvy1FbVrca2gPxPr87mmgvy1DsOpcayt0UorfaH5Nh7/RaCZZZ2VOyhRl9fj1sNCD78n0pAA9fXI8feCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:12.141692Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6814","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc2cd25bffaadc72f5b19b3e8da9c850d0521f9bc292ca782a14c1c6faf2a298","sha256:ab5fea7f5782f72db1f042929b7446fecb725e4235da71ac5273aefcdbbe0b22"],"state_sha256":"7e632eac411c21b389472b71115689f78a09b3f8ebeb91f8b7a4cfcd0a5b7e1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gzhdtd5f5bxMeSRdK+yJUcUQ3H0gLipsQR8mm9Aupv4SxGH9i24xgw87qabrkEDXVGwLAXPRSzcDQoLxNeCVCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:32:26.129626Z","bundle_sha256":"34bb23564275d9f8b90ef653dc0d8d1024b8395feaff1e3938c3a606d5260fed"}}