{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:6XECJI5HCRNR7ASIVFEJQHJE4P","short_pith_number":"pith:6XECJI5H","schema_version":"1.0","canonical_sha256":"f5c824a3a7145b1f8248a948981d24e3f8be450e026f93a518914a81bc67bef4","source":{"kind":"arxiv","id":"2409.19666","version":1},"attestation_state":"computed","paper":{"title":"Surface structure of the 3x3-Si phase on Al(111), studied by the multiple usages of positron diffraction and core-level photoemission spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akito Nakano, Chi-Cheng Lee, Fumio Komori, Hiroaki Aoyama, Iwao Matsuda, Kazuyoshi Yoshimi, Masafumi Horio, Masahito Niibe, Tadashi Abukawa, Taisuke Ozaki, Takeo Hoshi, Takeru Nakashima, Yasunobu Ando, Yuki Fukaya, Yuki Tsujikawa, Yusuke Sato","submitted_at":"2024-09-29T11:35:18Z","abstract_excerpt":"The structure of an Al(111)3x3-Si surface was examined by combining data from positron diffraction and core-level photoemission spectroscopy. Analysis of the diffraction rocking curves indicated that the overlayer had a flat honeycomb lattice structure. Simulations of Si core-level spectra calculated via the first-principles indicated that one of the Si atoms in the unit cell was replaced by an Al atom. The surface superstructure was thus a two-dimensional layer of Al-embedded silicene on Al(111)."},"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":"2409.19666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-09-29T11:35:18Z","cross_cats_sorted":[],"title_canon_sha256":"30f07404e6015045314844097abc38ee87bd775f724d05e67c46231890467ba5","abstract_canon_sha256":"bbca723b2d91619355b689de9d4465b9945cfaa58e00ea6cc0d6b3ebe8414604"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:13:20.538015Z","signature_b64":"13OX7pn1TF5M3CEmnUF680ASyZiLcMHeBUVQ4gyT2NEByX3ou8MX04rh0hAsKMMujYD41So3xJpAYXnL6uzSBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5c824a3a7145b1f8248a948981d24e3f8be450e026f93a518914a81bc67bef4","last_reissued_at":"2026-07-05T09:13:20.536273Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:13:20.536273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface structure of the 3x3-Si phase on Al(111), studied by the multiple usages of positron diffraction and core-level photoemission spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akito Nakano, Chi-Cheng Lee, Fumio Komori, Hiroaki Aoyama, Iwao Matsuda, Kazuyoshi Yoshimi, Masafumi Horio, Masahito Niibe, Tadashi Abukawa, Taisuke Ozaki, Takeo Hoshi, Takeru Nakashima, Yasunobu Ando, Yuki Fukaya, Yuki Tsujikawa, Yusuke Sato","submitted_at":"2024-09-29T11:35:18Z","abstract_excerpt":"The structure of an Al(111)3x3-Si surface was examined by combining data from positron diffraction and core-level photoemission spectroscopy. Analysis of the diffraction rocking curves indicated that the overlayer had a flat honeycomb lattice structure. Simulations of Si core-level spectra calculated via the first-principles indicated that one of the Si atoms in the unit cell was replaced by an Al atom. The surface superstructure was thus a two-dimensional layer of Al-embedded silicene on Al(111)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.19666","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/2409.19666/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":"2409.19666","created_at":"2026-07-05T09:13:20.537417+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.19666v1","created_at":"2026-07-05T09:13:20.537417+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.19666","created_at":"2026-07-05T09:13:20.537417+00:00"},{"alias_kind":"pith_short_12","alias_value":"6XECJI5HCRNR","created_at":"2026-07-05T09:13:20.537417+00:00"},{"alias_kind":"pith_short_16","alias_value":"6XECJI5HCRNR7ASI","created_at":"2026-07-05T09:13:20.537417+00:00"},{"alias_kind":"pith_short_8","alias_value":"6XECJI5H","created_at":"2026-07-05T09:13:20.537417+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/6XECJI5HCRNR7ASIVFEJQHJE4P","json":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P.json","graph_json":"https://pith.science/api/pith-number/6XECJI5HCRNR7ASIVFEJQHJE4P/graph.json","events_json":"https://pith.science/api/pith-number/6XECJI5HCRNR7ASIVFEJQHJE4P/events.json","paper":"https://pith.science/paper/6XECJI5H"},"agent_actions":{"view_html":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P","download_json":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P.json","view_paper":"https://pith.science/paper/6XECJI5H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.19666&json=true","fetch_graph":"https://pith.science/api/pith-number/6XECJI5HCRNR7ASIVFEJQHJE4P/graph.json","fetch_events":"https://pith.science/api/pith-number/6XECJI5HCRNR7ASIVFEJQHJE4P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P/action/storage_attestation","attest_author":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P/action/author_attestation","sign_citation":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P/action/citation_signature","submit_replication":"https://pith.science/pith/6XECJI5HCRNR7ASIVFEJQHJE4P/action/replication_record"}},"created_at":"2026-07-05T09:13:20.537417+00:00","updated_at":"2026-07-05T09:13:20.537417+00:00"}