{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:ANJXGQFDKVXN2D3CAYHGGCYWER","short_pith_number":"pith:ANJXGQFD","schema_version":"1.0","canonical_sha256":"03537340a3556edd0f62060e630b16246a133f60a4e997d006ddc225a6c772ce","source":{"kind":"arxiv","id":"1105.1830","version":1},"attestation_state":"computed","paper":{"title":"Magnetic Counting Rule of Radical Carbon Edge Nano Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Narjes Gorjizadeh, Norio Ota, Yoshiyuki Kawazoe","submitted_at":"2011-05-10T00:16:13Z","abstract_excerpt":"In order to explain room-temperature ferromagnetism of graphite-like materials, this paper offers a new magnetic counting rule of radical carbon zigzag edge nano graphene. Multiple spin state analysis based on a density function theory shows that the highest spin state is most stable. Energy difference with next spin state overcomes kT=2000K suggesting a room-temperature ferromagnetism. Local spin density at a radical carbon shows twice a large up-spin cloud which comes from two orbital with tetrahedral configuration occupied by up-up spins. This leads a new magnetic counting rule to give a lo"},"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":"1105.1830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-05-10T00:16:13Z","cross_cats_sorted":[],"title_canon_sha256":"408e05f441f4b0a412d1d47aa648597c676d5f5c96dc76ca1dab55ec18b8d0ed","abstract_canon_sha256":"72145a4fe173e025565f22cee5eab9d728b83ada56d9ffc4ee30f706e98f59ef"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:30.454396Z","signature_b64":"XM7PAf6I0c7aEYpCte2QBB/Z/ce5PlBklSfNgBL9pRkLgFjdKqXDXtutgfUP0F1p6QVMmr1kQoRfX7su1VseAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03537340a3556edd0f62060e630b16246a133f60a4e997d006ddc225a6c772ce","last_reissued_at":"2026-05-18T04:22:30.453775Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:30.453775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic Counting Rule of Radical Carbon Edge Nano Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Narjes Gorjizadeh, Norio Ota, Yoshiyuki Kawazoe","submitted_at":"2011-05-10T00:16:13Z","abstract_excerpt":"In order to explain room-temperature ferromagnetism of graphite-like materials, this paper offers a new magnetic counting rule of radical carbon zigzag edge nano graphene. Multiple spin state analysis based on a density function theory shows that the highest spin state is most stable. Energy difference with next spin state overcomes kT=2000K suggesting a room-temperature ferromagnetism. Local spin density at a radical carbon shows twice a large up-spin cloud which comes from two orbital with tetrahedral configuration occupied by up-up spins. This leads a new magnetic counting rule to give a lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1830","kind":"arxiv","version":1},"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":"1105.1830","created_at":"2026-05-18T04:22:30.453862+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.1830v1","created_at":"2026-05-18T04:22:30.453862+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1830","created_at":"2026-05-18T04:22:30.453862+00:00"},{"alias_kind":"pith_short_12","alias_value":"ANJXGQFDKVXN","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"ANJXGQFDKVXN2D3C","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"ANJXGQFD","created_at":"2026-05-18T12:26:24.575870+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/ANJXGQFDKVXN2D3CAYHGGCYWER","json":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER.json","graph_json":"https://pith.science/api/pith-number/ANJXGQFDKVXN2D3CAYHGGCYWER/graph.json","events_json":"https://pith.science/api/pith-number/ANJXGQFDKVXN2D3CAYHGGCYWER/events.json","paper":"https://pith.science/paper/ANJXGQFD"},"agent_actions":{"view_html":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER","download_json":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER.json","view_paper":"https://pith.science/paper/ANJXGQFD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.1830&json=true","fetch_graph":"https://pith.science/api/pith-number/ANJXGQFDKVXN2D3CAYHGGCYWER/graph.json","fetch_events":"https://pith.science/api/pith-number/ANJXGQFDKVXN2D3CAYHGGCYWER/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER/action/storage_attestation","attest_author":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER/action/author_attestation","sign_citation":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER/action/citation_signature","submit_replication":"https://pith.science/pith/ANJXGQFDKVXN2D3CAYHGGCYWER/action/replication_record"}},"created_at":"2026-05-18T04:22:30.453862+00:00","updated_at":"2026-05-18T04:22:30.453862+00:00"}