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Forge Proof Layer

Auditor Challenge

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Auditor Challenge — forge-proof-layer

A hostile external auditor is attempting to invalidate this outcome. Every major claim must survive the following interrogation, answered from objective evidence.

  • Standard: IRS_AUDITOR (assume bad faith; trust nothing without evidence)
  • Certification state: CERTIFIED
  • Evidence Grade: C
  • Trust Score: 83/100
  • Verification: PASS (23/23)

Global challenge questions

  1. What evidence supports this? Every metric maps to proof/CLAIM_EVIDENCE.json → proof/evidence/verification-report.json, produced by node verify.mjs and traced in proof/EXECUTION_TRACE.json.
  2. What assumptions exist? See proof/LIMITATIONS.md and proof/EXECUTIVE_EVIDENCE.md.
  3. How could this fail? Verification passes today; failure modes are the disclosed seams below.
  4. Could another engineer reproduce it? Yes — proof/REPRODUCE.md lists exact commands; checksums in proof/CHECKSUMS.json pin every input.
  5. What would invalidate this conclusion? A failing check, a checksum mismatch (node tools/forge-proof-verify.mjs --outcome delivery-package/forge-proof-layer), or any claim without a source in CLAIM_EVIDENCE.json.
  6. Has anything been simulated? No synthetic benchmark detected.
  7. Were any shortcuts taken? 2 disclosed seam(s); 0 draft doc(s); 0 unguarded marketing phrase(s).
  8. Would this survive expert review? The Proof Layer audit passed with no open objections.

Per-claim challenge

  • Gate fails closed (exit 2) when PROOF_DECISION.json is absent (NOT_STARTED) = exit=2 — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Proof Layer engine runs to completion on a passing outcome = exit=0 — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • PROOF_DECISION.json is emitted = C:\Users\webby\AppData\Local\Temp\forge-proof-fixture-7HiUfn\fixture-pass\proof\PROOF_DECISION.json — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • TRUST_SCORE.json is emitted = C:\Users\webby\AppData\Local\Temp\forge-proof-fixture-7HiUfn\fixture-pass\proof\TRUST_SCORE.json — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • EVIDENCE_GRADE.md is emitted = C:\Users\webby\AppData\Local\Temp\forge-proof-fixture-7HiUfn\fixture-pass\proof\EVIDENCE_GRADE.md — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • AUDITOR_CHALLENGE.md is emitted = C:\Users\webby\AppData\Local\Temp\forge-proof-fixture-7HiUfn\fixture-pass\proof\AUDITOR_CHALLENGE.md — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Certification state is one of the seven defined states = FUNCTIONAL_DELIVERED — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Verified-but-unauthored proof yields FUNCTIONAL_DELIVERED (not auto-CERTIFIED) = FUNCTIONAL_DELIVERED — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Evidence Grade is one of A+,A,B,C,D,F = D — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Trust Score is within 0..100 = 71 — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Trust Score breakdown has 10 scoring + 6 penalty categories = scoring=10 penalties=6 — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._
  • Gate permits deliver (exit 0) for an honestly-disclosed outcome = exit=0 — source: verification-report.json#/checks; status: SUPPORTED. _Could another engineer reproduce this number from node verify.mjs? Yes, deterministically._

Open objections (must be resolved or disclosed before CERTIFIED)

  • None. All challenged claims are supported by evidence.

Disclosed seams (auditor-acknowledged limitations)

  • DISCLOSED_SEAM: Verification exercises the Proof Layer tools against synthetic fixtures, not every historical delivery package.
  • DISCLOSED_SEAM: PRODUCTION_VALIDATED and Grade A/A+ paths require external/official inputs and are not exercised here (no external benchmark available in this environment).

_Generated by tools/forge-proof.mjs at 2026-06-25T21:53:03.908Z. The Proof Layer has final authority over this challenge; it may not be edited to suppress objections._