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Very recently, Kathiravan proved several infinite families of congruences modulo $11$, $13$ and $17$ for $B_{5,11}(n)$, $B_{5,13}(n)$ and $B_{81,17}(n)$. In this paper, we will prove infinite families of congruences modulo $5$ for $B_{2,15}(n)$, modulo $11$ for $B_{7,11}(n)$, modulo $11$ for $B_{27,11}(n)$ and modulo $17$ for $B_"},"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":"1908.06642","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NT","submitted_at":"2019-08-19T08:41:36Z","cross_cats_sorted":[],"title_canon_sha256":"27294e67b45f3322e2083c254d7f661758b53ca0c394e18ac2b6c782f52c7765","abstract_canon_sha256":"5e73e1dbd09ae4c77bb9a988fd1021019a2e42413e383b06d1bd37833bbe92c8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:12:04.857587Z","signature_b64":"f2A14u4E6qgRlvAbzZ2mSWSzYlvc4RWdwqAdTqv46UFZO6rShM2xRtYGpJE51PqhzH7vvQQHXhj6TwBoV7SdAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c8da2869d6245b996775005809f649585452e3918fecc7730918b607b59974d","last_reissued_at":"2026-07-05T00:12:04.857205Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:12:04.857205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Some congruences for $(s,t)$-regular bipartitions modulo $t$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NT","authors_text":"K. 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