{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:TVLNPEPAYP3LVGCXCZ2MM5SWK6","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":"2cce2981c396fd74a46ef7cb0d3526379d210649f130061a68b5564384ddea61","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-10-29T12:27:17Z","title_canon_sha256":"dd4f9929b9d1ce164a00400da6d25336793bc2f670bd122c927313a8246cbfdc"},"schema_version":"1.0","source":{"id":"0710.5405","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.5405","created_at":"2026-05-18T04:03:32Z"},{"alias_kind":"arxiv_version","alias_value":"0710.5405v1","created_at":"2026-05-18T04:03:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.5405","created_at":"2026-05-18T04:03:32Z"},{"alias_kind":"pith_short_12","alias_value":"TVLNPEPAYP3L","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"TVLNPEPAYP3LVGCX","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"TVLNPEPA","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:455e4ebbf05df81d120e14cc57f57c7f308f0555794b89d02edca97c102e1c8a","target":"graph","created_at":"2026-05-18T04:03:32Z","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 effects of intrinsic spin-orbit and Coulomb interactions on low-energy properties of finite width graphene armchair ribbons are studied by means of a Dirac Hamiltonian. It is shown that metallic states subsist in the presence of intrinsic spin-orbit interactions as spin-filtered edge states, in contrast with the insulating behavior predicted for graphene planes. A charge-gap opens due to Coulomb interactions in neutral ribbons, that vanishes as $\\Delta\\sim 1/W $, with a gapless spin sector. Weak intrinsic spin-orbit interactions do not change the insulating behavior. Explicit expressions f","authors_text":"Mahdi Zarea, Nancy Sandler","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-10-29T12:27:17Z","title":"Electron-electron and spin-orbit interactions in armchair graphene ribbons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.5405","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":"sha256:285045292c706f5ac806630429c72fc4f3143a7319aaa895d8de647acffa6be7","target":"record","created_at":"2026-05-18T04:03:32Z","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":"2cce2981c396fd74a46ef7cb0d3526379d210649f130061a68b5564384ddea61","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-10-29T12:27:17Z","title_canon_sha256":"dd4f9929b9d1ce164a00400da6d25336793bc2f670bd122c927313a8246cbfdc"},"schema_version":"1.0","source":{"id":"0710.5405","kind":"arxiv","version":1}},"canonical_sha256":"9d56d791e0c3f6ba98571674c6765657a5ce9e8a14117fb39e910b2009d9ff9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d56d791e0c3f6ba98571674c6765657a5ce9e8a14117fb39e910b2009d9ff9e","first_computed_at":"2026-05-18T04:03:32.857819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:03:32.857819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HJwlpjmdXhI+DAlag+o4j/f2m7MXYXCsYJc0PBPmfYLO5ysD5XUPCv+0f8IPGp1xtLZMfkTc1mYlgPAjxtCyDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:03:32.858605Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.5405","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:285045292c706f5ac806630429c72fc4f3143a7319aaa895d8de647acffa6be7","sha256:455e4ebbf05df81d120e14cc57f57c7f308f0555794b89d02edca97c102e1c8a"],"state_sha256":"4dc1cff6e02b85fb4acf58bf0b5fe9d7fda7f7387826c17edcd20b741579d953"}