{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:FCZ653CSZGQHLJMAN5FZ6DG6EU","short_pith_number":"pith:FCZ653CS","schema_version":"1.0","canonical_sha256":"28b3eeec52c9a075a5806f4b9f0cde252b34c819b4e6a2b8354b7eeb4d815bc9","source":{"kind":"arxiv","id":"1009.5522","version":1},"attestation_state":"computed","paper":{"title":"Electronic Structure of Novel Superconductor Ca4Al2O6Fe2As2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Kiyoyuki Terakura, Shoji Ishibashi, Taichi Kosugi, Takashi Miyake","submitted_at":"2010-09-28T10:27:54Z","abstract_excerpt":"We have performed the first-principles electronic structure calculation for the novel superconductor Ca4Al2O6Fe2As2 which has the smallest a lattice parameter and the largest As height from the Fe plane among the Fe-As superconductors. We find that one of the hole-like Fermi surfaces is missing around the Gamma point compared to the case of LaFeAsO. Analysis using the maximally-localized-Wannier-function technique indicates that the xy orbital becomes more localized as the As-Fe-As angle decreases. This induces rearrangement of bands, which results in the change of the Fermi-surface topology o"},"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":"1009.5522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-28T10:27:54Z","cross_cats_sorted":[],"title_canon_sha256":"58bcf97c86fafdad4b7b38b56411bddd007b4352ce91270e4a31b4ea724df55c","abstract_canon_sha256":"6a9f09052562b800f43fd023513fa99c39f32e0f3455f4c6889b58dcb0341170"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:38.750388Z","signature_b64":"8MHlANWPOu72GuMPI9oL1vdRO4WsfvF2nonpnBqFd+OmzyVb1FSxXOOE4wKj255uNZSqevOKX6H/TruAbsB4DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28b3eeec52c9a075a5806f4b9f0cde252b34c819b4e6a2b8354b7eeb4d815bc9","last_reissued_at":"2026-05-18T04:33:38.749830Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:38.749830Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electronic Structure of Novel Superconductor Ca4Al2O6Fe2As2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Kiyoyuki Terakura, Shoji Ishibashi, Taichi Kosugi, Takashi Miyake","submitted_at":"2010-09-28T10:27:54Z","abstract_excerpt":"We have performed the first-principles electronic structure calculation for the novel superconductor Ca4Al2O6Fe2As2 which has the smallest a lattice parameter and the largest As height from the Fe plane among the Fe-As superconductors. We find that one of the hole-like Fermi surfaces is missing around the Gamma point compared to the case of LaFeAsO. Analysis using the maximally-localized-Wannier-function technique indicates that the xy orbital becomes more localized as the As-Fe-As angle decreases. This induces rearrangement of bands, which results in the change of the Fermi-surface topology o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5522","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":"1009.5522","created_at":"2026-05-18T04:33:38.749917+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.5522v1","created_at":"2026-05-18T04:33:38.749917+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5522","created_at":"2026-05-18T04:33:38.749917+00:00"},{"alias_kind":"pith_short_12","alias_value":"FCZ653CSZGQH","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_16","alias_value":"FCZ653CSZGQHLJMA","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_8","alias_value":"FCZ653CS","created_at":"2026-05-18T12:26:06.534383+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/FCZ653CSZGQHLJMAN5FZ6DG6EU","json":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU.json","graph_json":"https://pith.science/api/pith-number/FCZ653CSZGQHLJMAN5FZ6DG6EU/graph.json","events_json":"https://pith.science/api/pith-number/FCZ653CSZGQHLJMAN5FZ6DG6EU/events.json","paper":"https://pith.science/paper/FCZ653CS"},"agent_actions":{"view_html":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU","download_json":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU.json","view_paper":"https://pith.science/paper/FCZ653CS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.5522&json=true","fetch_graph":"https://pith.science/api/pith-number/FCZ653CSZGQHLJMAN5FZ6DG6EU/graph.json","fetch_events":"https://pith.science/api/pith-number/FCZ653CSZGQHLJMAN5FZ6DG6EU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU/action/storage_attestation","attest_author":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU/action/author_attestation","sign_citation":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU/action/citation_signature","submit_replication":"https://pith.science/pith/FCZ653CSZGQHLJMAN5FZ6DG6EU/action/replication_record"}},"created_at":"2026-05-18T04:33:38.749917+00:00","updated_at":"2026-05-18T04:33:38.749917+00:00"}