{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:VA5FG6KZTA5K6BAP46ACFM3T6C","short_pith_number":"pith:VA5FG6KZ","schema_version":"1.0","canonical_sha256":"a83a537959983aaf040fe78022b373f08f8f7646275c51ae5e5fa828dc5785ab","source":{"kind":"arxiv","id":"2407.20996","version":1},"attestation_state":"computed","paper":{"title":"Thermal spin-crossover and temperature-dependent zero-field splitting in magnetic nanographene chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Akimitsu Narita, Alejandro P\\'erez Paz, Angel Rubio, CA Palma, Emil Vi\\~nas Bostr\\\"om, Hong-Jun Gao, Ji Ma, Juan Li, Klaus M\\\"ullen, Kun Liu, Li Huang, Reinhard Berger, Shixuan Du, Xiaoxi Zhang, Xinliang Feng, Yan Wang","submitted_at":"2024-07-30T17:33:24Z","abstract_excerpt":"Nanographene-based magnetism at interfaces offers an avenue to designer quantum materials towards novel phases of matter and atomic-scale applications. Key to spintronics applications at the nanoscale is bistable spin-crossover which however remains to be demonstrated in nanographenes. Here we show that antiaromatic 1,4-disubstituted pyrazine-embedded nanographene derivatives, which promote magnetism through oxidation to a non-aromatic radical are prototypical models for the study of carbon-based thermal spin-crossover. Scanning tunneling spectroscopy studies reveal symmetric spin excitation 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":"2407.20996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-07-30T17:33:24Z","cross_cats_sorted":[],"title_canon_sha256":"cf54f2786112c5325730dafb8d032b638caad785e71db1fe9c0604e1feb71d1b","abstract_canon_sha256":"4503e1c5b6ca296a1293ff6396ac4e3da2e9b63805aeebe684ddcd667bc99273"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:50:21.947730Z","signature_b64":"ujwdpH18XHbKmJ0SVvgQLU8U0J31BXahl4Gok/xVryLOdNhr4BbT6wcQXgnYmfONeJWdYHorKarhfsxZ/1/OAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a83a537959983aaf040fe78022b373f08f8f7646275c51ae5e5fa828dc5785ab","last_reissued_at":"2026-07-05T08:50:21.947270Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:50:21.947270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermal spin-crossover and temperature-dependent zero-field splitting in magnetic nanographene chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Akimitsu Narita, Alejandro P\\'erez Paz, Angel Rubio, CA Palma, Emil Vi\\~nas Bostr\\\"om, Hong-Jun Gao, Ji Ma, Juan Li, Klaus M\\\"ullen, Kun Liu, Li Huang, Reinhard Berger, Shixuan Du, Xiaoxi Zhang, Xinliang Feng, Yan Wang","submitted_at":"2024-07-30T17:33:24Z","abstract_excerpt":"Nanographene-based magnetism at interfaces offers an avenue to designer quantum materials towards novel phases of matter and atomic-scale applications. Key to spintronics applications at the nanoscale is bistable spin-crossover which however remains to be demonstrated in nanographenes. Here we show that antiaromatic 1,4-disubstituted pyrazine-embedded nanographene derivatives, which promote magnetism through oxidation to a non-aromatic radical are prototypical models for the study of carbon-based thermal spin-crossover. Scanning tunneling spectroscopy studies reveal symmetric spin excitation s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.20996","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.20996/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2407.20996","created_at":"2026-07-05T08:50:21.947332+00:00"},{"alias_kind":"arxiv_version","alias_value":"2407.20996v1","created_at":"2026-07-05T08:50:21.947332+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.20996","created_at":"2026-07-05T08:50:21.947332+00:00"},{"alias_kind":"pith_short_12","alias_value":"VA5FG6KZTA5K","created_at":"2026-07-05T08:50:21.947332+00:00"},{"alias_kind":"pith_short_16","alias_value":"VA5FG6KZTA5K6BAP","created_at":"2026-07-05T08:50:21.947332+00:00"},{"alias_kind":"pith_short_8","alias_value":"VA5FG6KZ","created_at":"2026-07-05T08:50:21.947332+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/VA5FG6KZTA5K6BAP46ACFM3T6C","json":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C.json","graph_json":"https://pith.science/api/pith-number/VA5FG6KZTA5K6BAP46ACFM3T6C/graph.json","events_json":"https://pith.science/api/pith-number/VA5FG6KZTA5K6BAP46ACFM3T6C/events.json","paper":"https://pith.science/paper/VA5FG6KZ"},"agent_actions":{"view_html":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C","download_json":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C.json","view_paper":"https://pith.science/paper/VA5FG6KZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2407.20996&json=true","fetch_graph":"https://pith.science/api/pith-number/VA5FG6KZTA5K6BAP46ACFM3T6C/graph.json","fetch_events":"https://pith.science/api/pith-number/VA5FG6KZTA5K6BAP46ACFM3T6C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C/action/storage_attestation","attest_author":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C/action/author_attestation","sign_citation":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C/action/citation_signature","submit_replication":"https://pith.science/pith/VA5FG6KZTA5K6BAP46ACFM3T6C/action/replication_record"}},"created_at":"2026-07-05T08:50:21.947332+00:00","updated_at":"2026-07-05T08:50:21.947332+00:00"}