The verification gap

The draft is done.
The checking isn't.

A polished sentence can still be wrong.

Check the source. Inspect the finding.

Decide what needs fixing.

Application Capabilities

Illustration

Check a customer letter

Source selected for this review: Returns policy, version 3

the draft

"You can return any purchase within 30 days"

What needs review

A condition is missing.

The policy requires the item to be unused.
The draft makes a broader promise.

the recorded Source

"Unused items may be returned within 30 days."

Trace this finding to its source.

This finding links to version 3, section 2.
Open the exact passage used in the check.

Another word to check

"Returns are accepted within one month."

One month is not always 30 days.

A calendar month can exceed 30 days.
The policy specifies 30 days.

Why this was flagged

"Any purchase" includes used items.

The promise exceeds the policy

The policy allows returns only for unused items.
The draft leaves that condition out.
The reviewer decides how to correct it.

Illustrative findings and source links. The trace shows the basis of this check, not which sources produced the original draft.

47% of professionals say the individual professional is responsible for AI-assisted errors.

Thomson Reuters, Future of Professionals 2026.

91% believe AI should meet a higher accuracy standard than humans do.

Thomson Reuters, Future of Professionals 2026.

Nearly 40% of all AI time savings lost to rework.

Workday, 2026.

Includes correction, rewriting and verification.

Research and study scope →

The platform behind verification

Your knowledge.
Checks in context.

Your sources and definitions.

Connected in Knowledge Core.

Context for your apps and agents.

01・your team

Select the sources.

Choose sources from documents, systems, and people.

Set what is accepted for this use case.

02・knowledge core

Connect the context.

Represent meaning, relationships and conditions.

Assemble the relevant knowledge for the task.

03・your work

Inspect the findings.

Answer questions. Inform decisions and actions.

Check results and show their supporting basis.

Explore the platform →

For professionals

Primal Verify for Word.

For work you stand behind. Client reports. Advice. Analysis.

Check against sources you choose.

Review the findings inside Word.

Explore Verify for Word

Discuss a Verification Sprint →

Beyond Word ・ Planned.

Browser workflows. PowerPoint.

Other productivity tools.

for builders

Build verification into your own apps and agents.

Verification for your apps.

The Trust Core SDK gives your application four operations to call over the knowledge models that Knowledge Core builds from your documents.

Shipping

Packages for any language.

Python today.

Shipping

An MCP Server

Exposes the operations to any agent that speaks the protocol.

Your stack stays yours

Keep your retriever, model and workflow

Your application decides which operations are required and what a finding triggers.

Request developer access

Explore developer tools →

Primal Labs

Research in meaning.
Applied to verification.

A foundation in research.

A substantial patent portfolio.

The basis for our knowledge engine.

Explore research and patents →

185+

patents worldwide

9

jurisdictions

Portfolio figures reported by Primal
See the research page for scope and sources

Expertise, applied.
Across your work.

Products

Platform overview

Knowledge Core

Primal Verify for Word

Developers

Start a conversation

Verification Sprint

Contact

About Primal

AI can do the work.
You still need to trust it.

The draft is done.
The checking isn't.

Application Capabilities

Check a customer letter

"You can return any purchase within 30 days"

A condition is missing.

"Unused items may be returned within 30 days."

Trace this finding to its source.

"Returns are accepted within one month."

One month is not always 30 days.

"Any purchase" includes used items.

The promise exceeds the policy

47% of professionals say the individual professional is responsible for AI-assisted errors.

91% believe AI should meet a higher accuracy standard than humans do.

Nearly 40% of all AI time savings lost to rework.

Your knowledge.
Checks in context.

Select the sources.

Connect the context.

Inspect the findings.

Primal Verify for Word.

Beyond Word ・ Planned.

Build verification into your own apps and agents.

Packages for any language.

An MCP Server

Keep your retriever, model and workflow

Research in meaning.
Applied to verification.

185+

9

Start with your work.

Products

Start a conversation

About Primal

AI can do the work.You still need to trust it.

The draft is done.The checking isn't.

Application Capabilities

Check a customer letter

"You can return any purchase within 30 days"

A condition is missing.

"Unused items may be returned within 30 days."

Trace this finding to its source.

"Returns are accepted within one month."

One month is not always 30 days.

"Any purchase" includes used items.

The promise exceeds the policy

47% of professionals say the individual professional is responsible for AI-assisted errors.

91% believe AI should meet a higher accuracy standard than humans do.

Nearly 40% of all AI time savings lost to rework.

Your knowledge.Checks in context.

Select the sources.

Connect the context.

Inspect the findings.

Primal Verify for Word.

Beyond Word ・ Planned.

Build verification into your own apps and agents.

Packages for any language.

An MCP Server

Keep your retriever, model and workflow

Research in meaning.Applied to verification.

185+

9

Start with your work.

Products

Start a conversation

About Primal

AI can do the work.
You still need to trust it.

The draft is done.
The checking isn't.

Your knowledge.
Checks in context.

Research in meaning.
Applied to verification.