{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:HPTYKEXIODFNVNL5XPEKCIVJND","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":"bcb9d908f6aa700009a58e90aba40a54aeff83de806ef55feb434562dead2cbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-10-30T11:23:47Z","title_canon_sha256":"ecbf00cbdf557079bd2c53c8df1dd800f41a6f0204fcb42549100baed39b666a"},"schema_version":"1.0","source":{"id":"1011.0062","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0062","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0062v1","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0062","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"pith_short_12","alias_value":"HPTYKEXIODFN","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HPTYKEXIODFNVNL5","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HPTYKEXI","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:9fd326125fb3bf6b5b22aeca0157d0f3d4ed9ccbad7d9c7fbb5cb1215d9feabb","target":"graph","created_at":"2026-05-18T01:29:12Z","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":"The role of spontaneous and piezoelectric polarization in III-V nitride heterostructure devices is discussed. Problems as well as opportunities in incorporating polarization in abrupt and graded heterojunctions composed of binary, ternary, and quaternary nitrides are outlined.","authors_text":"Albert (Kejia) Wang, Chuanxin Lian, Debdeep Jena, Guowang Li, Huili Xing, Jai Verma, John Simon, Kamal Karda, Kevin Goodman, Patrick Fay, Satyaki Ganguly, Thomas Kosel, Vladimir Protasenko, Yu Cao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-10-30T11:23:47Z","title":"Polarization-Engineering in III-V Nitride Heterostructures: New Opportunities For Device Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0062","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":"sha256:6462175edd3dc1b056be344aba0fed39ab45072fcd2f3dd811b440d373ea095b","target":"record","created_at":"2026-05-18T01:29:12Z","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":"bcb9d908f6aa700009a58e90aba40a54aeff83de806ef55feb434562dead2cbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-10-30T11:23:47Z","title_canon_sha256":"ecbf00cbdf557079bd2c53c8df1dd800f41a6f0204fcb42549100baed39b666a"},"schema_version":"1.0","source":{"id":"1011.0062","kind":"arxiv","version":1}},"canonical_sha256":"3be78512e870cadab57dbbc8a122a968c684ce2f1c8ad326b6615e3a76341e48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3be78512e870cadab57dbbc8a122a968c684ce2f1c8ad326b6615e3a76341e48","first_computed_at":"2026-05-18T01:29:12.105205Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:12.105205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dHPzg+a+pYQ1xDIM9+jPtXY4MHfcoV1PuR9dA5l1DFAz2gSSpdNlfCrQlFo4tGoiLgKp9AKtCZDC0qAClDULBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:12.105890Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.0062","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6462175edd3dc1b056be344aba0fed39ab45072fcd2f3dd811b440d373ea095b","sha256:9fd326125fb3bf6b5b22aeca0157d0f3d4ed9ccbad7d9c7fbb5cb1215d9feabb"],"state_sha256":"f64273290dcd8977d02318ac131f43a895bc1961f83a150e56a77b67354e7b6d"}