Published Unlearning Numbers Move Per Checkpoint, and Not Because the Removed Data Survives: An Audit of 263 Released Batch-Normalized Checkpoints

arXiv:2609.11490 · cs.AI, cs.LG · Submitted 2026-09-10 · Read on arXiv

cs.AI, cs.LG

Submitted: 2026-09-10

Updated: 2026-09-10

Comments: 38 pages, 4 figures, 26 tables. Independent of and concurrent with arXiv:2609.08901 (posted 8 Sep 2026): the instrument and protocol here were pre-registered on 29 Aug 2026; dated provenance in Appendix S

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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