One memory foundation
Substrate organizes authorized signals into qualified, source-aware memory for people, organizations, commitments, and other durable entities.
About Sightline Technologies Inc.
Agents need durable context.
Substrate turns authorized signals into qualified memory without confusing recall with certainty—or memory with authority.
Our premise
Agents need more than messages. They need identity, change, evidence, and a clear boundary on what the task may use.
Two application paths
GTM teams test customer continuity. Founders help shape a managed briefing workflow.
A deliberate beta
Source support, review processes, and product capabilities vary by beta engagement. We avoid broad claims while those boundaries are being proven.
The standards shaping the product.
These principles shape what we build, what we decline to claim, and how we work with partners.
Earn trust through inspectability
Useful memory should carry its evidence, qualification, and uncertainty with it. People should be able to understand why context exists and correct it when it is wrong.
Treat authority as a product boundary
Remembering something does not create permission to use it or act on it. Personal and organizational scopes must remain explicit, bounded, and purpose-specific.
Prefer durable context over more tokens
A larger prompt is not a relationship model. We focus on identity, time, provenance, conflict, and change—the structure that lets an agent use history responsibly.
Build with partners, not around them
The closed beta is deliberately managed. We work directly with founders and GTM teams to test the memory boundary, review outputs, and improve correction paths before expanding access.
Work with us
Help define what responsible agent memory should become.
We are looking for thoughtful beta partners with a real workflow, useful authorized source access, and a willingness to evaluate memory quality with us.