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For $n\\geq 3$ and a free ergodic probability measure preserving action of $SL_n(\\mathbb Z)$ on a standard nonatomic probability space $(X,\\mu)$, write $M=((L^\\infty(X,\\mu)\\rtimes SL_n(\\mathbb Z))\\,\\overline{\\otimes}\\, R$, where $R$ is the hyperfinite II$_1$ factor. We show that whenever $M$ is represented as a von Neumann algebra on some Hilbert space $\\mathcal H$ and $N\\subseteq\\mathcal B(\\mathcal H)$ is sufficiently clo"},"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":"1209.4116","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2012-09-18T22:49:34Z","cross_cats_sorted":[],"title_canon_sha256":"fb0dc3989bac57333ec4976d19b45564add63a06f4a797bb408fb4c07c5b18aa","abstract_canon_sha256":"5729de6cc3b7907bad5e495c4735ad0bce7345e1afa90faafc0b9576a88f2d19"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:51.314280Z","signature_b64":"L7+TYvigWn2ryJGKHEtTTJ33egS2ozTCfcYxwKhoRyxLKnPFVJpQJpSkBLp9Yfrzhsw+m8O65EHw4ywNefGmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccd67b0d0a1b9e28431eb9bf0f33c50df0b1ab9f655413c9f650d9db217b31ff","last_reissued_at":"2026-05-18T01:34:51.313768Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:51.313768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Kadison-Kastler stable factors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.OA","authors_text":"Alan D. 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