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Research2026-08-29 · source-backed
Classify each action parameter field, not each action class, into three tiers: fields a policy may legitimately match on cross raw, policy-relevant but identifying fields cross only as projections like an email domain or templated route shape, and fields with no legitimate policy use never leave the workload. The ledger commits a canonical digest of the full unminimized parameters computed before minimization, so reclassifying a field changes disclosure without invalidating history or reopening a hash. It also assigns each attested fact to whichever party could otherwise lie about it undetectably, and reports a real incident where a first-cut projection still preserved the identifier it was written to remove. (arXiv)
Each link below shares sources, entities, or timing with this story.
Shared entity: Field / Same source domain / Shared topic / Earlier coverage
Both cover Field; reported by the same outlet (arxiv.org); overlapping topics (each, field).
Both cover Field; reported by the same outlet (arxiv.org); overlapping topics (assign, each).
Same source domain / Shared topic / Tension
Reported by the same outlet (arxiv.org); overlapping topics (audit, chang); pushes against this story (against).
Reported by the same outlet (arxiv.org); overlapping topics (action, each); pushes against this story (against).
Reported by the same outlet (arxiv.org); overlapping topics (action, each); pushes against this story (against).
Same source domain / Shared topic / Downstream implication
Reported by the same outlet (arxiv.org); overlapping topics (chang, each); traces where this leads (downstream).
Same source domain / Shared topic / Tension
Reported by the same outlet (arxiv.org); overlapping topics (action, each); pushes against this story (but).
Reported by the same outlet (arxiv.org); overlapping topics (chang, classify); pushes against this story (but).