D2 Supplementary Artifacts — Anonymous Submission Package

Supplementary artifacts for the anonymous submission 'An Append-Only Personal-Memory Ledger With Verifier-Backed Audit Envelope: Live Falsifier Evidence and Boundary-Class Disclosure', under review at ICSE SEIP 2026. Includes (1) full n=200 recertification packet covering exp4 concurrency, exp5 boundary attacks, and exp6 mitigation, and (2) n=10 canonicalization-preserving probe surfacing the duplicate-line w/ recomputed-tail boundary attack as honest disclosure. All artifacts SHA-256 verified per MANIFEST_SHA256.txt.