{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JCVTTHGRVOXRMMAAC7I72DU73M","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":"a35e3ac1ea1854c8379e60fdbc95d212707202fc949d27baa1095c2e3903f2e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T06:35:56Z","title_canon_sha256":"10306224cd4eba7b946bacae816d240856172e4b34de902b7caa48d42ded80e7"},"schema_version":"1.0","source":{"id":"1502.02795","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.02795","created_at":"2026-05-18T01:41:04Z"},{"alias_kind":"arxiv_version","alias_value":"1502.02795v1","created_at":"2026-05-18T01:41:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02795","created_at":"2026-05-18T01:41:04Z"},{"alias_kind":"pith_short_12","alias_value":"JCVTTHGRVOXR","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JCVTTHGRVOXRMMAA","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JCVTTHGR","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:1586c12f4bba59bb20041335390208bf9fc250336def2cc3f45a7903046f0143","target":"graph","created_at":"2026-05-18T01:41:04Z","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":"Hexagonal boron nitride sheets have been noted especially for their enhanced properties as substrates for sp2 carbon-based nanodevices. To evaluate whether such enhanced properties would remain under various realistic conditions, we investigate the structural and electronic properties of semiconducting carbon nanotubes on perfect and defective hexagonal boron nitride sheets under an external electric field as well as with a metal impurity, using density functional theory. We verify that the use of a perfect hexagonal boron nitride sheet as a substrate indeed improves the device performances of","authors_text":"Gunn Kim, Seoung-Hun Kang, Young-Kyun Kwon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T06:35:56Z","title":"Is hexagonal boron nitride always good as a substrate for carbon nanotube-based devices?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02795","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:d59e28a9d24fde53ad014adfa12e71d10ca86f2c6b9065478963eb903ad353ab","target":"record","created_at":"2026-05-18T01:41:04Z","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":"a35e3ac1ea1854c8379e60fdbc95d212707202fc949d27baa1095c2e3903f2e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-10T06:35:56Z","title_canon_sha256":"10306224cd4eba7b946bacae816d240856172e4b34de902b7caa48d42ded80e7"},"schema_version":"1.0","source":{"id":"1502.02795","kind":"arxiv","version":1}},"canonical_sha256":"48ab399cd1abaf16300017d1fd0e9fdb3c5ffb76f02208fd87f89bd08a9a052f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48ab399cd1abaf16300017d1fd0e9fdb3c5ffb76f02208fd87f89bd08a9a052f","first_computed_at":"2026-05-18T01:41:04.049387Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:04.049387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bNn+ClrJip59euXSgaJdKLUZpYx/gULqL0mb6rgQbqwRdYziXRWNkErQebtLempP7/5ieKZr0mMXiC7W7D5sDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:04.049904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.02795","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d59e28a9d24fde53ad014adfa12e71d10ca86f2c6b9065478963eb903ad353ab","sha256:1586c12f4bba59bb20041335390208bf9fc250336def2cc3f45a7903046f0143"],"state_sha256":"efe185a030cd32cf03113e0a50cc3b5f3e1a7483f23f096c21d9afa81e9571b1"}