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The band exhibits steep dispersion near the Fermi level despite the fact that it is formed mainly by Pt $d$ orbitals that are typically localized. We propose a picture based on two hidden kagome-lattice-like electronic structure: one originating from Pt $s+p_x/p_y$ orbitals, and the other from Pt $d_{3z^2-r^2}+d_{xy}/d_{x^2-y^2}$ orbitals, each placed on the bonds of the triangular lattice. In particular, we find that the underlying Pt $s+p_x/p_y$ bands actually determine "},"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":"1812.07213","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-18T07:38:44Z","cross_cats_sorted":[],"title_canon_sha256":"111d46ec29acbeda85cf399aa46b52e4d5fb764df9e175c4084644eb32d56f28","abstract_canon_sha256":"884a2a41ab57121b7d155ed38a2db9d3b4e30871dbe4a0194c2301817035d263"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:31.127535Z","signature_b64":"KrHjF0CgSYEQWOskJOZpmMQwxZ2rOzzFfZu8h35iM9n5YCbJk7XagTKl8Rauajbhk9dmpsf8LvxvDm0tnHE7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"059ffc0ab268717f1c76a0ab9d58c2b592da1f1d60ae0b59a5f3b65683ce12ee","last_reissued_at":"2026-05-17T23:48:31.126968Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:31.126968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hidden kagome-lattice picture and origin of high conductivity in delafossite PtCoO$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrew P. 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