Published research · v1.0 · September 2026

The Prove Gap: Why Enterprise Agent Stacks Stop at Three Layers

Sponsored research for security, compliance, platform, and audit leaders evaluating production agent deployments.

Sponsor: Aevesa · Not legal advice · Vendor-neutral framing with disclosed sponsor relationship

Enterprises deploy agents on model, context, and tools, and buy Route, Intercept, and Classify tooling. Production still stalls because a fourth layer is missing: Prove (runtime enforcement bound to offline-verifiable evidence).

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Executive summary

The Prove Gap is the distance between having agent policies and proving what agents did, under which authority, in a format auditors verify without vendor access.

Key findings

Confidence ≠ proof. 82% of executives are confident policies protect agent actions; only ~14% report full security/IT approval for production (Gravitee 2026, n=919).
Stack incompleteness. Diagrams include Route and Classify; Prove is absent or conflated with logging.
Stall pattern. Deals fail in Legal, audit, and procurement, not engineering pilots (Edelman-LinkedIn 2025: 40%+ stall on internal misalignment).
Evidence bar rising. Auditors want offline-verifiable artifacts, not vendor-scoped JSON exports.
Intercept ≠ prove. The September 2026 intercept wave (AIR Security, Zenity, Noma, Obsidian) validates vet-and-block spend, but intercept decisions alone do not satisfy third-party verification after vendor churn.

Prompts are not policy. Logs are not proof.

The gap is documented

82%

Exec confidence in agent policies

~14%

Full security/IT approval for production

40%+

Deals stalled on internal misalignment

Sources: Gravitee State of AI Agent Security 2026; Edelman-LinkedIn B2B buying-group research 2025. Full map: Appendix D bibliography.

Reference architecture: Route → Intercept → Classify → Prove → Verify

Layer	Question	Example vendors
Route	How does traffic flow?	Unity AI Gateway, Kong, Portkey
Intercept	What add-ons may run?	AIR Security, Noma, Zenity, LangGuard
Classify	What data/risk class?	Cyera, Wiz, Straiker
Prove	What executed, verifiable how?	Aevesa (intercept attest, HITL receipts, traceable conduct)
Verify	Can a third party confirm offline?	verify.aevesa.com · @aevesa/verify

Land with intercept attest only (one webhook after permit/deny). Expand to MCP receipt-before-action and quarterly portability drills when audit pressure lands.

Recommendations by persona

Persona	If you do one thing this quarter
CISO / SecEng	Run offline verify on one production-representative agent action
Compliance / Legal	Map Art. 12/14 evidence requirements to current artifacts
Platform lead	Add Prove box to architecture diagram; scope attest POC
Internal audit	Test: can you trace approval identity 90 days later?

Appendices and research instruments

Appendix A: Survey instrument (52 fields)
Appendix B: Interview consent and guide
Appendix C: PMM self-assessment (live widget)
Appendix D: Source bibliography
Appendix E: Glossary and schema references
Appendix F: Acknowledgments
Full report outline & methodology

Canonical markdown: docs/sales/PROVE_GAP_REPORT.md in the Aevesa repository. Quantitative fieldwork (survey n) remains ongoing; v1.0 publishes desk research, PMM instrument, and technical validation patterns.