{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:AJ6TZYSVHBUFTJAW5K72UYP2KM","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":"794e10909cfe22b53e4fa6e3e9970aee1a00a7e48b0f20ba8ab402e7d2c2eacd","cross_cats_sorted":["physics.app-ph","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-10T18:35:06Z","title_canon_sha256":"c3c981639636dd90a7084937dd8b641443754184cfe03f27ddbd3423420af2e0"},"schema_version":"1.0","source":{"id":"1912.04878","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.04878","created_at":"2026-07-05T00:36:44Z"},{"alias_kind":"arxiv_version","alias_value":"1912.04878v1","created_at":"2026-07-05T00:36:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.04878","created_at":"2026-07-05T00:36:44Z"},{"alias_kind":"pith_short_12","alias_value":"AJ6TZYSVHBUF","created_at":"2026-07-05T00:36:44Z"},{"alias_kind":"pith_short_16","alias_value":"AJ6TZYSVHBUFTJAW","created_at":"2026-07-05T00:36:44Z"},{"alias_kind":"pith_short_8","alias_value":"AJ6TZYSV","created_at":"2026-07-05T00:36:44Z"}],"graph_snapshots":[{"event_id":"sha256:23ee58c1999b1b071488fec0f0a9b6540fbd710fd9c408c031a12242e16c92d4","target":"graph","created_at":"2026-07-05T00:36:44Z","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/1912.04878/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The spontaneously formed striped polarization nanodomain configuration of a PbTiO${_3}$/SrTiO${_3}$ superlattice transforms to a uniform polarization state under above-bandgap illumination with a time dependence varying with the intensity of optical illumination and a well-defined threshold intensity. Recovery after the end of illumination occurs over a temperature-dependent period of tens of seconds at room temperature and shorter times at elevated temperatures. A model in which the screening of the depolarization field depends on the population of trapped electrons correctly predicts the obs","authors_text":"Anastasios Pateras, Haidan Wen, Hyeon Jun Lee, Jack A. Tilka, Joonkyu Park, Matthew Dawber, Mohammed H. Yusuf, Paul G. Evans, Youngjun Ahn","cross_cats":["physics.app-ph","physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-10T18:35:06Z","title":"Role of temperature-dependent electron trapping dynamics in the optically driven nanodomain transformation in a PbTiO${_3}$/SrTiO${_3}$ superlattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.04878","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:a74051a59d3938d1a3b97ef36c8747bddd9bdd2cec98ea880ae45849f53c50d4","target":"record","created_at":"2026-07-05T00:36:44Z","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":"794e10909cfe22b53e4fa6e3e9970aee1a00a7e48b0f20ba8ab402e7d2c2eacd","cross_cats_sorted":["physics.app-ph","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-10T18:35:06Z","title_canon_sha256":"c3c981639636dd90a7084937dd8b641443754184cfe03f27ddbd3423420af2e0"},"schema_version":"1.0","source":{"id":"1912.04878","kind":"arxiv","version":1}},"canonical_sha256":"027d3ce255386859a416eabfaa61fa53038ecb4baea3a4349b42bf1d1e65198b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"027d3ce255386859a416eabfaa61fa53038ecb4baea3a4349b42bf1d1e65198b","first_computed_at":"2026-07-05T00:36:44.703577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:36:44.703577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p6os76Eudlmnl3KdJxKHPbliNWBNBrRyrmd9tpTXmMMrZq5GBYkSszgMFKMp/19c3JeR86UmNX4FzBFXBJEyDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:36:44.704053Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.04878","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a74051a59d3938d1a3b97ef36c8747bddd9bdd2cec98ea880ae45849f53c50d4","sha256:23ee58c1999b1b071488fec0f0a9b6540fbd710fd9c408c031a12242e16c92d4"],"state_sha256":"f611892e6d96998e2bb59e92effba4b55ead40edf4db19ce7a58e95ad6b80a60"}