{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:J667NR2WR7GH6YWGXIK3ZEOA4F","short_pith_number":"pith:J667NR2W","schema_version":"1.0","canonical_sha256":"4fbdf6c7568fcc7f62c6ba15bc91c0e156697619f149c8875dec754cf5da0cee","source":{"kind":"arxiv","id":"1408.6061","version":1},"attestation_state":"computed","paper":{"title":"Jahn-Teller Distortion and Multiple-spin-state Analysis of Single-atom Vacancy in Graphene-nano-ribbon","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Norio Ota","submitted_at":"2014-08-26T09:48:58Z","abstract_excerpt":"A single-atom vacancy defect and its array in graphene and graphite were considered to be one candidate carrying the room-temperature ferromagnetism. Applying density functional theory to a single-atom vacancy in graphene-nano-ribbon (GNR), a detailed relationship between the multiple-spin-state and the Jahn-Teller distortion was studied. An equilateral triangle of an initial vacancy having six unpaired electrons had distorted to isosceles triangle by the Jahn-Teller effect. Among capable spin-state of Sz=6/2, 4/2 and 2/2, the most stable one was Sz=2/2. Total energy was 15.6 kcal/mol lower (s"},"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":"1408.6061","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-08-26T09:48:58Z","cross_cats_sorted":[],"title_canon_sha256":"ecbbee5fac1770c2fdf8f485adda2c48fdb49c9797b14f47770ed507b0f86684","abstract_canon_sha256":"4dbb856f39d7e190b57ff12e524b72211da758cd30d3d9d042291c0691fbacfb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:14.878968Z","signature_b64":"+eNiQUxU10sVrrTaF4imqUZt5bH8xMlj2ktDUH3/b6nZxNzWT2thHN24PZg1wvNtvG/bFbBogojwcdS8e/GGDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fbdf6c7568fcc7f62c6ba15bc91c0e156697619f149c8875dec754cf5da0cee","last_reissued_at":"2026-05-18T02:44:14.878272Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:14.878272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Jahn-Teller Distortion and Multiple-spin-state Analysis of Single-atom Vacancy in Graphene-nano-ribbon","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Norio Ota","submitted_at":"2014-08-26T09:48:58Z","abstract_excerpt":"A single-atom vacancy defect and its array in graphene and graphite were considered to be one candidate carrying the room-temperature ferromagnetism. Applying density functional theory to a single-atom vacancy in graphene-nano-ribbon (GNR), a detailed relationship between the multiple-spin-state and the Jahn-Teller distortion was studied. An equilateral triangle of an initial vacancy having six unpaired electrons had distorted to isosceles triangle by the Jahn-Teller effect. Among capable spin-state of Sz=6/2, 4/2 and 2/2, the most stable one was Sz=2/2. Total energy was 15.6 kcal/mol lower (s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6061","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":"1408.6061","created_at":"2026-05-18T02:44:14.878404+00:00"},{"alias_kind":"arxiv_version","alias_value":"1408.6061v1","created_at":"2026-05-18T02:44:14.878404+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6061","created_at":"2026-05-18T02:44:14.878404+00:00"},{"alias_kind":"pith_short_12","alias_value":"J667NR2WR7GH","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"J667NR2WR7GH6YWG","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"J667NR2W","created_at":"2026-05-18T12:28:33.132498+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/J667NR2WR7GH6YWGXIK3ZEOA4F","json":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F.json","graph_json":"https://pith.science/api/pith-number/J667NR2WR7GH6YWGXIK3ZEOA4F/graph.json","events_json":"https://pith.science/api/pith-number/J667NR2WR7GH6YWGXIK3ZEOA4F/events.json","paper":"https://pith.science/paper/J667NR2W"},"agent_actions":{"view_html":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F","download_json":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F.json","view_paper":"https://pith.science/paper/J667NR2W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1408.6061&json=true","fetch_graph":"https://pith.science/api/pith-number/J667NR2WR7GH6YWGXIK3ZEOA4F/graph.json","fetch_events":"https://pith.science/api/pith-number/J667NR2WR7GH6YWGXIK3ZEOA4F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F/action/storage_attestation","attest_author":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F/action/author_attestation","sign_citation":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F/action/citation_signature","submit_replication":"https://pith.science/pith/J667NR2WR7GH6YWGXIK3ZEOA4F/action/replication_record"}},"created_at":"2026-05-18T02:44:14.878404+00:00","updated_at":"2026-05-18T02:44:14.878404+00:00"}