Supplementary materials — Auditing Anonymous AI Models: A Four-Stage Protocol for Black-Box Identity Verification

Contains the case corpus (S1), auditor worksheet (S2), Stage-0 forensics extracts (S3), controlled-experiment reports (S4), the audit-tool CLI, and core measurement artifacts (catalog snapshot, fingerprint database, probe JSONL, Big Pickle case card). All quantitative claims in the manuscript are reproducible from these files; see SUPPLEMENT.md inside the package. Assembled from public sources only; no non-public data. License: CC BY 4.0.