When accountability is questioned.
Proof must already exist.
Horizon is a system of record for critical decisions.
It captures decisions as immutable facts, before they need to be explained.
Human. Automated. AI-driven.
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How Horizon Works
1
Declare
2
Capture
3
Seal
4
Verify
Decisions are explicitly declared, cryptographically sealed, and independently verifiable. Without changing how teams work.
Learn how the proof layer works →Proof Is Not Logging
| Logs & tickets | Horizon |
|---|---|
| Operational traces | Independent proof |
| Mutable | Append-only, signed |
| Context rebuilt later | Context sealed at decision time |
| Not defensible alone | Legally defensible |
Horizon introduces a separation of powers between deciding and proving.
Why now
- Regulators now require proof, not explanations (EU AI Act)
- Automation and AI blur responsibility
- Courts and auditors demand facts, not narratives
One simple question
Which decision would you need to prove tomorrow?
Horizon starts there.
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Systems act.
People decide.
Horizon proves.