{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:QVIS4KF2ION7THGKVQW2EL2WF3","short_pith_number":"pith:QVIS4KF2","schema_version":"1.0","canonical_sha256":"85512e28ba439bf99ccaac2da22f562ec7c188094e7a92b45da00a836b9b237f","source":{"kind":"arxiv","id":"0908.1504","version":2},"attestation_state":"computed","paper":{"title":"A New Class of Boron Nanotube","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jing Wang, Ying Liu, You-Cheng Li","submitted_at":"2009-08-11T12:16:43Z","abstract_excerpt":"The configurations, stability and electronic structures of a new class of boron sheet and related boron nanotubes are predicted within the framework of density functional theory. This boron sheet is sparser than those of recent proposals. Our theoretic results show that the stable boron sheet remains flat and is metallic. There are bands similar to the p-bands in graphite near the Fermi level. Stable nanotubes with various diameters and chiral vectors can be rolled from the sheet. Within our study, only the thin (8, 0) nanotube with a band gap of 0.44 eV is semiconducting, while all the other "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0908.1504","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-08-11T12:16:43Z","cross_cats_sorted":[],"title_canon_sha256":"ed3a3e7683d6592ab5cece48191306e3c33410b9c921679f1377eff5563a1ce0","abstract_canon_sha256":"ce29d8123ef290cd5c10a090b1ed2db090425451073129e13c874ef04368c6a4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:23.351641Z","signature_b64":"u36ZZw/ghj/ZUmQowxsY9gG0VqKiJ3Un19nBphnqOdJafOyl+PzAxfqSL7rvkWekxIu/FoBy2HI9kRWnI+/MDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85512e28ba439bf99ccaac2da22f562ec7c188094e7a92b45da00a836b9b237f","last_reissued_at":"2026-05-18T04:23:23.350979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:23.350979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A New Class of Boron Nanotube","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jing Wang, Ying Liu, You-Cheng Li","submitted_at":"2009-08-11T12:16:43Z","abstract_excerpt":"The configurations, stability and electronic structures of a new class of boron sheet and related boron nanotubes are predicted within the framework of density functional theory. This boron sheet is sparser than those of recent proposals. Our theoretic results show that the stable boron sheet remains flat and is metallic. There are bands similar to the p-bands in graphite near the Fermi level. Stable nanotubes with various diameters and chiral vectors can be rolled from the sheet. Within our study, only the thin (8, 0) nanotube with a band gap of 0.44 eV is semiconducting, while all the other "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.1504","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0908.1504","created_at":"2026-05-18T04:23:23.351065+00:00"},{"alias_kind":"arxiv_version","alias_value":"0908.1504v2","created_at":"2026-05-18T04:23:23.351065+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.1504","created_at":"2026-05-18T04:23:23.351065+00:00"},{"alias_kind":"pith_short_12","alias_value":"QVIS4KF2ION7","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"QVIS4KF2ION7THGK","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"QVIS4KF2","created_at":"2026-05-18T12:26:01.383474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3","json":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3.json","graph_json":"https://pith.science/api/pith-number/QVIS4KF2ION7THGKVQW2EL2WF3/graph.json","events_json":"https://pith.science/api/pith-number/QVIS4KF2ION7THGKVQW2EL2WF3/events.json","paper":"https://pith.science/paper/QVIS4KF2"},"agent_actions":{"view_html":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3","download_json":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3.json","view_paper":"https://pith.science/paper/QVIS4KF2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0908.1504&json=true","fetch_graph":"https://pith.science/api/pith-number/QVIS4KF2ION7THGKVQW2EL2WF3/graph.json","fetch_events":"https://pith.science/api/pith-number/QVIS4KF2ION7THGKVQW2EL2WF3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3/action/storage_attestation","attest_author":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3/action/author_attestation","sign_citation":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3/action/citation_signature","submit_replication":"https://pith.science/pith/QVIS4KF2ION7THGKVQW2EL2WF3/action/replication_record"}},"created_at":"2026-05-18T04:23:23.351065+00:00","updated_at":"2026-05-18T04:23:23.351065+00:00"}