{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:XBBU2LDCCAESMFHRG5DOIEVMIS","short_pith_number":"pith:XBBU2LDC","schema_version":"1.0","canonical_sha256":"b8434d2c6210092614f13746e412ac44b9f2aa4fb5eb7547acb61268f500913a","source":{"kind":"arxiv","id":"2606.20321","version":1},"attestation_state":"computed","paper":{"title":"Tunable Flat Bands and magnetism in Triangulene-based Superatomic Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Donghui Guo, Fengkun Chen, Jingcheng Li, Meifang Zhu, Tingfeng Zhang, Wenya Zhai, Xiuqin Lu, Ye Chen, Yunlong Xia, Zengfu Ou, Zhengfei Wang","submitted_at":"2026-06-18T15:01:22Z","abstract_excerpt":"Superatomic graphene platforms host a rich portfolio of flat-band-driven exotic quantum properties, yet their experimental realization remains challenging. Here, we report the bottom-up on-surface synthesis of superatomic graphene using phosphorus-doped triangulene as building blocks. Scanning tunneling microscopy and spectroscopy measurements resolve the well-defined honeycomb lattice of as-fabricated superatomic graphene and demonstrate the characteristic Dirac band and flat band electronic structures. Density functional theory calculations reveal that the flat bands originate from the in-pl"},"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":"2606.20321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-18T15:01:22Z","cross_cats_sorted":[],"title_canon_sha256":"8087c1f55709fb8082a22b60e334e38c79b8fa87feee43712f35fea42ad55d67","abstract_canon_sha256":"4efd0c0677430a6623575be2c186a70cb5956d071209d56116600405b3cefb1c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:13:08.859133Z","signature_b64":"YYvtWHqBihNJ9BI08s5Nw8sc22CZq5Yyn3maESZj9zpDeyhjUyWgECYLboniC74h6zx0/jTjj/SnK0F0hM9kDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8434d2c6210092614f13746e412ac44b9f2aa4fb5eb7547acb61268f500913a","last_reissued_at":"2026-06-19T16:13:08.858699Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:13:08.858699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tunable Flat Bands and magnetism in Triangulene-based Superatomic Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Donghui Guo, Fengkun Chen, Jingcheng Li, Meifang Zhu, Tingfeng Zhang, Wenya Zhai, Xiuqin Lu, Ye Chen, Yunlong Xia, Zengfu Ou, Zhengfei Wang","submitted_at":"2026-06-18T15:01:22Z","abstract_excerpt":"Superatomic graphene platforms host a rich portfolio of flat-band-driven exotic quantum properties, yet their experimental realization remains challenging. Here, we report the bottom-up on-surface synthesis of superatomic graphene using phosphorus-doped triangulene as building blocks. Scanning tunneling microscopy and spectroscopy measurements resolve the well-defined honeycomb lattice of as-fabricated superatomic graphene and demonstrate the characteristic Dirac band and flat band electronic structures. Density functional theory calculations reveal that the flat bands originate from the in-pl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.20321","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/2606.20321/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":"2606.20321","created_at":"2026-06-19T16:13:08.858759+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.20321v1","created_at":"2026-06-19T16:13:08.858759+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.20321","created_at":"2026-06-19T16:13:08.858759+00:00"},{"alias_kind":"pith_short_12","alias_value":"XBBU2LDCCAES","created_at":"2026-06-19T16:13:08.858759+00:00"},{"alias_kind":"pith_short_16","alias_value":"XBBU2LDCCAESMFHR","created_at":"2026-06-19T16:13:08.858759+00:00"},{"alias_kind":"pith_short_8","alias_value":"XBBU2LDC","created_at":"2026-06-19T16:13:08.858759+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/XBBU2LDCCAESMFHRG5DOIEVMIS","json":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS.json","graph_json":"https://pith.science/api/pith-number/XBBU2LDCCAESMFHRG5DOIEVMIS/graph.json","events_json":"https://pith.science/api/pith-number/XBBU2LDCCAESMFHRG5DOIEVMIS/events.json","paper":"https://pith.science/paper/XBBU2LDC"},"agent_actions":{"view_html":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS","download_json":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS.json","view_paper":"https://pith.science/paper/XBBU2LDC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.20321&json=true","fetch_graph":"https://pith.science/api/pith-number/XBBU2LDCCAESMFHRG5DOIEVMIS/graph.json","fetch_events":"https://pith.science/api/pith-number/XBBU2LDCCAESMFHRG5DOIEVMIS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS/action/storage_attestation","attest_author":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS/action/author_attestation","sign_citation":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS/action/citation_signature","submit_replication":"https://pith.science/pith/XBBU2LDCCAESMFHRG5DOIEVMIS/action/replication_record"}},"created_at":"2026-06-19T16:13:08.858759+00:00","updated_at":"2026-06-19T16:13:08.858759+00:00"}