{ "agent_view_tokens": 6000, "emoji": "\ud83c\udfaf", "paper": { "arxiv_id": "2602.17284" }, "revision": "20260725-claim-contract-release", "root": { "children": [ { "children": [], "file": "pages/executive-summary-v2/page.md", "slug": "executive-summary-v2", "title": "Executive summary \u2014 exact registered claims" }, { "children": [], "file": "pages/registered-claim-1/page.md", "slug": "registered-claim-1", "title": "Claim 1: Theorem 4.4 gives a closed-form reduction of the privacy loss distribution (PLD) of k-out-of-t random allocation to t-wise convolutions of exponentiated PLD terms (Section 4, Theorem 4.4)." }, { "children": [], "file": "pages/registered-claim-2/page.md", "slug": "registered-claim-2", "title": "Claim 2: The proposed algorithm computes an (\u03b1,\u03b2)-accurate approximation of the random allocation PLD in time O(log\u00b3(t)\u00b7log(t/\u03b2)/\u03b1\u00b2), using exponentiation-by-squaring with geometric-grid rounding (Section 4, Theorem 4.6)." }, { "children": [], "file": "pages/registered-claim-3/page.md", "slug": "registered-claim-3", "title": "Claim 3: Theorem 3.3 introduces transformation rules \u03c6_\u03bb that apply Poisson subsampling directly to PLD realizations, allowing subsampling and random allocation to be composed within one unified PLD framework (Section 3, Theorem 3.3, Definition 3.1)." }, { "children": [], "file": "pages/registered-claim-4/page.md", "slug": "registered-claim-4", "title": "Claim 4: Numerical experiments show the new random allocation privacy bounds are nearly identical to the Monte Carlo lower bounds of Chua et al. (2024a) and substantially tighter than RDP-based analytic bounds, for t \u2208 {1000, 10000} and \u03b4 = 10\u207b\u2076 (Section 5, Figures 1-2)." }, { "children": [], "file": "pages/registered-claim-5/page.md", "slug": "registered-claim-5", "title": "Claim 5: A toy Bernoulli mean-estimation experiment (n=10\u00b3, \u03b4=10\u207b\u00b9\u2070) shows random allocation requires strictly lower noise than Poisson subsampling for the same privacy level, demonstrating a genuine privacy (not just variance) advantage (Section 5, Figure 4)." }, { "children": [], "file": "pages/registered-claim-6/page.md", "slug": "registered-claim-6", "title": "Claim 6: Applied to a DP-SGD scenario with block-sparse coordinate sampling (n=6\u00d710\u2075, d=2\u00b2\u2070, C=2\u00b9\u2075, E=10 epochs), the PLD accounting method improves privacy bounds over RDP composition even under heavy composition (Section 5, Figure 5)." }, { "children": [], "file": "pages/conclusion-v2/page.md", "slug": "conclusion-v2", "title": "Conclusion" } ], "file": "pages/index-v2.md", "slug": "index", "title": "Reproduction: Efficient privacy loss accounting for subsampling and random allocation" }, "schema_version": 1, "space_id": "DineshAI/HDBpda5Vih", "tags": [ "icml2026-repro", "paper-HDBpda5Vih" ], "title": "Repro - Efficient privacy loss accounting for subsampling and random allocation", "updated_at": "2026-07-25T00:00:00+00:00" }