{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:PFYIE7SYP2OQBMIYVZR2I3PWNA","short_pith_number":"pith:PFYIE7SY","schema_version":"1.0","canonical_sha256":"7970827e587e9d00b118ae63a46df66819cf72a3826476a8dedada5b8359845f","source":{"kind":"arxiv","id":"1609.07347","version":3},"attestation_state":"computed","paper":{"title":"Spontaneous twisting and shrinking of carbon nanotubes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Axel P\\'erez-Obiol, V\\'it Jakubsk\\'y","submitted_at":"2016-09-23T13:12:42Z","abstract_excerpt":"Deformations of single-wall carbon nanotubes are investigated within the tight-binding model with deformation-dependent hopping energies. We show that the nanotubes tend to twist and shrink spontaneously at zero temperature. The explicit values of the deformation parameters are computed for a wide range of nanotubes with varying diameter and chirality. The changes of the spectral gap associated with the spontaneous deformation are shown to depend on the chirality of the nanotubes."},"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":"1609.07347","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-09-23T13:12:42Z","cross_cats_sorted":[],"title_canon_sha256":"19518733caedb70e460ac703b6f0a11e0ea0a2aa30163f35891686b86b77b5e2","abstract_canon_sha256":"7045dcf0926546ba1153086f6618e8f6046090618f418e52757208efa2ea582c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:01.597639Z","signature_b64":"lNa/k9p/9HEd5myMuDElCgiwWCwWO6Jnq6YkCTK7J2S0IaKqiVCYCA3+5y7QMhvTDtGjG+p/LCxaz5HZc2pKBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7970827e587e9d00b118ae63a46df66819cf72a3826476a8dedada5b8359845f","last_reissued_at":"2026-05-18T00:41:01.596962Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:01.596962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spontaneous twisting and shrinking of carbon nanotubes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Axel P\\'erez-Obiol, V\\'it Jakubsk\\'y","submitted_at":"2016-09-23T13:12:42Z","abstract_excerpt":"Deformations of single-wall carbon nanotubes are investigated within the tight-binding model with deformation-dependent hopping energies. We show that the nanotubes tend to twist and shrink spontaneously at zero temperature. The explicit values of the deformation parameters are computed for a wide range of nanotubes with varying diameter and chirality. The changes of the spectral gap associated with the spontaneous deformation are shown to depend on the chirality of the nanotubes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07347","kind":"arxiv","version":3},"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":"1609.07347","created_at":"2026-05-18T00:41:01.597073+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.07347v3","created_at":"2026-05-18T00:41:01.597073+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07347","created_at":"2026-05-18T00:41:01.597073+00:00"},{"alias_kind":"pith_short_12","alias_value":"PFYIE7SYP2OQ","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_16","alias_value":"PFYIE7SYP2OQBMIY","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_8","alias_value":"PFYIE7SY","created_at":"2026-05-18T12:30:39.010887+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/PFYIE7SYP2OQBMIYVZR2I3PWNA","json":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA.json","graph_json":"https://pith.science/api/pith-number/PFYIE7SYP2OQBMIYVZR2I3PWNA/graph.json","events_json":"https://pith.science/api/pith-number/PFYIE7SYP2OQBMIYVZR2I3PWNA/events.json","paper":"https://pith.science/paper/PFYIE7SY"},"agent_actions":{"view_html":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA","download_json":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA.json","view_paper":"https://pith.science/paper/PFYIE7SY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.07347&json=true","fetch_graph":"https://pith.science/api/pith-number/PFYIE7SYP2OQBMIYVZR2I3PWNA/graph.json","fetch_events":"https://pith.science/api/pith-number/PFYIE7SYP2OQBMIYVZR2I3PWNA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA/action/storage_attestation","attest_author":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA/action/author_attestation","sign_citation":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA/action/citation_signature","submit_replication":"https://pith.science/pith/PFYIE7SYP2OQBMIYVZR2I3PWNA/action/replication_record"}},"created_at":"2026-05-18T00:41:01.597073+00:00","updated_at":"2026-05-18T00:41:01.597073+00:00"}