Semantic Substrate

What is Quantum?

QuantumThe layer that prepares agentic systems for quantum-era computation and security, covering both the new capabilities and the new threats.

Quantum is the primitive that answers what changes when computation goes quantum? It covers both the new capabilities and the new risks that arrive with quantum hardware.

It is the layer that future-proofs trust. As quantum methods challenge today's cryptography, agentic systems need positions that anticipate both the threat and the advantage.

Where quantum sits in the stack

In the four-layer architecture of the agentic web, quantum is a Cross-cutting concept — it applies across every layer of the stack. See the thesis for how the layers compound.

Quantum in the portfolio

23 positions in the Semantic Substrate portfolio carry the Quantum primitive21 available individually, 2 held as a coordinated set. Explore the Quantum cluster →

Quick answers

What is Quantum in agentic systems?
The layer that prepares agentic systems for quantum-era computation and security, covering both the new capabilities and the new threats.
Where does Quantum sit in the agentic stack?
Quantum sits at the Cross-cutting layer — it applies across every layer of the stack.
How many Quantum domain positions exist in the Semantic Substrate portfolio?
23 positions carry the Quantum primitive — 21 available individually, the rest held as a coordinated set.

Related primitives

Held in the portfolio under Quantum.