Controlled Runtime

Execution context is part of the security claim.

XPScerpto keeps runtime authority, provider state and cryptographic execution separate from anonymous presentation. Public pages show the model; operational diagnostics stay behind the proper control plane.

Open platform Architecture Evidence

SourceBuildRuntime

runtime

EvidenceReplayVerify

Platform capability

Controlled Runtime

platform.api

authorized filtered facts

hw.authority

capability truth source

domain execution

SIMD/PQC/Integrity run only when attached

evidence capsule

result sealing and audit lineage

Execution continuum

01SourceAdmitted source identity
02BuildBound build identity
03RuntimeControlled execution boundary
04CryptographyFHE · PQC · Integrity · SIMD · HW
05EvidenceStructured result custody
06ReplayFreshness and reproducibility
07VerificationClaims remain evidence-bound