Software Supply Chain: Why Large Language Fields (LLFs) Are the Contract Layer Above CI/CD (Receipts for Admissibility, Typed HOLD, Promotion Gates, and Rollback by Construction)
Mathine: Supply-Chain Regime Receipts Machine
Link: https://doi.org/10.5281/zenodo.18706595
Modern software delivery is no longer a single-organization act. A build artifact now crosses builders, registries, scanners, deployment platforms, customers, auditors, and regulators—each carrying a different implicit definition of what “trusted” means. In that world, “the pipeline passed” is not closure; it is, at best, a local statement.
This paper argues that the reliability unit is shifting upward: from CI/CD as a process to contracted regimes as a first-class object. A regime is versioned and enforceable: it declares admissibility (what evidence counts), promotion conditions (what must be true to advance), and rollback discipline (what reversibility must exist before you ship). Trust stops being an inference from reputation, speed, or “green builds,” and becomes a computable property of a governing stack.
The supply-chain ecosystem is already drifting in this direction. Provenance frameworks, SBOM standards, signing envelopes, and runtime policy enforcement all instantiate the same closure pattern: receipt-backed promotion gates, explicit exceptions, and policies that separate “allowed” from “observed.” The operational point is not to add more checklists—it is to make the system’s trust claims portable across organizations and audits.
A key addition here is treating uncertainty and non-closure as legitimate outputs. Typed HOLD becomes a safety feature, not a failure: when admissibility cannot be satisfied within budget, the system should halt with explicit reason codes and upgrade paths—rather than forcing false closure through averaged pass rates or ambiguous waivers.
Finally, the paper draws a hard line between convergence and theater. It proposes falsifiable predictions and a measurement plan: if the world is truly converging to regime-closure, we should observe fewer silent failures, stronger worst-slice behavior, and better rollback fitness under real drift—because the evidence and the gates become replayable, comparable, and enforceable across the boundary.
Mathine — Evidence In, Trust Out 