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The intrinsic multiple Andreev reflection spectroscopy reveals two anisotropic superconducting gaps $\\Delta_L \\approx 3.2 \\textendash 4.5$\\,meV, $\\Delta_S \\approx 1.2 \\textendash 1.6$\\,meV (the ranges correspond to the minimum and maximum value of the coupling energy in the $k_xk_y$-plane). The $25 \\textendash 30 \\%$ anisotropy shows the absence of nodes in the superconducting gaps. Using a two-band model with s-wave-like gaps $\\Delta_L \\approx 3.2$\\,meV and $\\Delta_S \\approx"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1806.02467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-07T00:22:27Z","cross_cats_sorted":[],"title_canon_sha256":"18bd92d3e59e7fcc4ab384dddcf9f2528bd88894037e254976cdfbfc62f6c59c","abstract_canon_sha256":"ffeb88aa716061da6ce88ae4ec2cf6640bd8280e5936afb2cf4fa5bbe5683e70"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:56.753086Z","signature_b64":"2udUO4bgVaDxxvi2TiWjjO8tJ1//bGqcBPEVcaCCkvlVj4LIxs39u9pNMMEIaqZgKNib+sKS6w+TMl8IKmE5Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45ca4775fa6dc28df0caab4acfabb2af428a44e9253160434cbe8a0e84c85029","last_reissued_at":"2026-05-18T00:13:56.752442Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:56.752442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superconducting gap symmetry in BaFe$_{1.9}$Ni$_{0.1}$As$_{2}$ superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. 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