Machine-Safety E-Stop & Safety-Relay ISO 13849-1 (PLd/PLe) MTTFd, B10d & DCavg Verifier

Deterministic ISO 13849-1 Markov architecture Category B/1/2/3/4 channel MTTF_d = B_10d / (0.1 * n_op), Diagnostic Coverage DC_avg weighted sum & PFH_d failure-per-hour lookup engine (.json, .csv, .pdf) built for Pilz (PNOZ), Sick Safety, Banner Engineering, Rockwell GuardLogix — zero-upload ephemeral Wasm RAM execution.

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