{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZONZZVRD6KUAEPFHMY7CNWWJMJ","short_pith_number":"pith:ZONZZVRD","canonical_record":{"source":{"id":"2608.09815","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-10T16:34:01Z","cross_cats_sorted":[],"title_canon_sha256":"87f9b3ce3bc58c3fe99a4e55ac55b3eb159b1a313fe0ab927bee5c19376c5a27","abstract_canon_sha256":"56cf51b71713fd8e04114f0765826860376f7c5c344d80f964ba76c6700e7d74"},"schema_version":"1.0"},"canonical_sha256":"cb9b9cd623f2a8023ca7663e26dac96257f57f1c29356ba53949ce9eec0a7806","source":{"kind":"arxiv","id":"2608.09815","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09815","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09815v1","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09815","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"pith_short_12","alias_value":"ZONZZVRD6KUA","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZONZZVRD6KUAEPFH","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZONZZVRD","created_at":"2026-08-11T02:25:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZONZZVRD6KUAEPFHMY7CNWWJMJ","target":"record","payload":{"canonical_record":{"source":{"id":"2608.09815","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-10T16:34:01Z","cross_cats_sorted":[],"title_canon_sha256":"87f9b3ce3bc58c3fe99a4e55ac55b3eb159b1a313fe0ab927bee5c19376c5a27","abstract_canon_sha256":"56cf51b71713fd8e04114f0765826860376f7c5c344d80f964ba76c6700e7d74"},"schema_version":"1.0"},"canonical_sha256":"cb9b9cd623f2a8023ca7663e26dac96257f57f1c29356ba53949ce9eec0a7806","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-11T02:25:09.610273Z","signature_b64":"ZlJt/9K9ECAR0PcdeQOIzFox1Vl0+sQucVxHMaEccip9VIYG4dRhbtmehaMTrlAZ+nknZkMOV1EV4hYY8dS7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb9b9cd623f2a8023ca7663e26dac96257f57f1c29356ba53949ce9eec0a7806","last_reissued_at":"2026-08-11T02:25:09.608550Z","signature_status":"signed_v1","first_computed_at":"2026-08-11T02:25:09.608550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.09815","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":"2026-08-11T02:25:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gbFvXMgoDz2O9ebUODI70ajAn/sCtdkgT9PU91T+BbrugKQe0T9Nq712sPzBeFP9QlINQoaRjMEmBp2OEZfSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:10:25.329242Z"},"content_sha256":"8807a308bc514f1b326d00af2ba88510ecdb66679ed26aa1a346e69c35dd6a82","schema_version":"1.0","event_id":"sha256:8807a308bc514f1b326d00af2ba88510ecdb66679ed26aa1a346e69c35dd6a82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZONZZVRD6KUAEPFHMY7CNWWJMJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polar-vortex-driven interfacial strain coupling in PbTiO3/SrRuO3 Heterostructures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Ross, H. G. Lee, H. Zheng, J. W. Freeland, L. Q. Chen, L. W. Martin, S. A. Raza, U. Saha, V. A. Stoica, V. Gopalan","submitted_at":"2026-08-10T16:34:01Z","abstract_excerpt":"Interfacial coupling in oxide heterostructures is a central problem in condensed-matter physics, as it typically emerges at the atomic scale through local interactions mediated by lattice polarization and strain. In this work, we investigate nanoscale polar-supertexture-driven interfacial strain coupling in (PbTiO3)16/(SrRuO3)9/(PbTiO3)16 heterostructures grown on DyScO3(110) substrates. Under appropriate epitaxial strain conditions, the PbTiO3 layers form polar vortex superstructures with a periodicity of approximately 10 nm. We demonstrate that the resulting in-plane nanoscale strain modulat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09815","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/2608.09815/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":"2026-08-11T02:25:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hVqBPNB0+BD0yxljXSEfsFNE45A/6PJsU3E5YZhZzZbPQfsQW/kgdxsBmQgujUTXDa8J1INuyCnRKTSWCQjuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:10:25.330216Z"},"content_sha256":"90b90aa8f361b73fa9f156499f830d2c1c5b879bac2cc5e1c6b5cd623d1e8e3a","schema_version":"1.0","event_id":"sha256:90b90aa8f361b73fa9f156499f830d2c1c5b879bac2cc5e1c6b5cd623d1e8e3a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ/bundle.json","state_url":"https://pith.science/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ/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":"2026-08-14T14:10:25Z","links":{"resolver":"https://pith.science/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ","bundle":"https://pith.science/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ/bundle.json","state":"https://pith.science/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZONZZVRD6KUAEPFHMY7CNWWJMJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZONZZVRD6KUAEPFHMY7CNWWJMJ","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":"56cf51b71713fd8e04114f0765826860376f7c5c344d80f964ba76c6700e7d74","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-10T16:34:01Z","title_canon_sha256":"87f9b3ce3bc58c3fe99a4e55ac55b3eb159b1a313fe0ab927bee5c19376c5a27"},"schema_version":"1.0","source":{"id":"2608.09815","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09815","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09815v1","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09815","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"pith_short_12","alias_value":"ZONZZVRD6KUA","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZONZZVRD6KUAEPFH","created_at":"2026-08-11T02:25:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZONZZVRD","created_at":"2026-08-11T02:25:09Z"}],"graph_snapshots":[{"event_id":"sha256:90b90aa8f361b73fa9f156499f830d2c1c5b879bac2cc5e1c6b5cd623d1e8e3a","target":"graph","created_at":"2026-08-11T02:25:09Z","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/2608.09815/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Interfacial coupling in oxide heterostructures is a central problem in condensed-matter physics, as it typically emerges at the atomic scale through local interactions mediated by lattice polarization and strain. In this work, we investigate nanoscale polar-supertexture-driven interfacial strain coupling in (PbTiO3)16/(SrRuO3)9/(PbTiO3)16 heterostructures grown on DyScO3(110) substrates. Under appropriate epitaxial strain conditions, the PbTiO3 layers form polar vortex superstructures with a periodicity of approximately 10 nm. We demonstrate that the resulting in-plane nanoscale strain modulat","authors_text":"A. Ross, H. G. Lee, H. Zheng, J. W. Freeland, L. Q. Chen, L. W. Martin, S. A. Raza, U. Saha, V. A. Stoica, V. Gopalan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-10T16:34:01Z","title":"Polar-vortex-driven interfacial strain coupling in PbTiO3/SrRuO3 Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09815","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":"sha256:8807a308bc514f1b326d00af2ba88510ecdb66679ed26aa1a346e69c35dd6a82","target":"record","created_at":"2026-08-11T02:25:09Z","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":"56cf51b71713fd8e04114f0765826860376f7c5c344d80f964ba76c6700e7d74","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-10T16:34:01Z","title_canon_sha256":"87f9b3ce3bc58c3fe99a4e55ac55b3eb159b1a313fe0ab927bee5c19376c5a27"},"schema_version":"1.0","source":{"id":"2608.09815","kind":"arxiv","version":1}},"canonical_sha256":"cb9b9cd623f2a8023ca7663e26dac96257f57f1c29356ba53949ce9eec0a7806","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb9b9cd623f2a8023ca7663e26dac96257f57f1c29356ba53949ce9eec0a7806","first_computed_at":"2026-08-11T02:25:09.608550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-11T02:25:09.608550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZlJt/9K9ECAR0PcdeQOIzFox1Vl0+sQucVxHMaEccip9VIYG4dRhbtmehaMTrlAZ+nknZkMOV1EV4hYY8dS7DA==","signature_status":"signed_v1","signed_at":"2026-08-11T02:25:09.610273Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.09815","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8807a308bc514f1b326d00af2ba88510ecdb66679ed26aa1a346e69c35dd6a82","sha256:90b90aa8f361b73fa9f156499f830d2c1c5b879bac2cc5e1c6b5cd623d1e8e3a"],"state_sha256":"5878fde39c6e0ddda94898ab8d012eb60695cd153aa1dce507a96a0dab37a302"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zztil59IJzT5+LJqrkvb8tJtzv1IMcoE4xYrFktNEE/25NyGMzharmG2BxbkkvkvSPh1tTpjFmuDfq5ZRp3rAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T14:10:25.337999Z","bundle_sha256":"f0403f033253fb521527102685dbc1f92af77c03f6af2c938b96201962012d2b"}}