penValenceYears of real engineering work, licensed for training.
Complete histories from software companies that have closed. Ownership and personal data are checked before you see a sample.
Records arrive linked
An issue stays connected to the commits that fixed it, the review that approved it, and the incident that followed.
From access to delivery
- VerifyConfirm your identity and sign one platform NDA.
- EvaluateReview samples, schema, and the provenance report for each listing.
- OfferBid on a non-exclusive license or request exclusivity.
- DeliverySign the license and pay the invoice. The dataset unlocks once payment clears.
License terms
| Non-exclusive | Exclusive | |
|---|---|---|
| Price | Asking price or best offer | Premium over non-exclusive |
| Other buyers | May license the same data | None during the term |
| Term | Perpetual | 12 months, 24 months, or perpetual |
| Approval | Seller accepts an offer | Seller reviews each request |
| Availability | Every listing | Where the seller allows it |
Who can buy?
Frontier labs, data companies, and enterprise AI teams. Every buyer passes identity verification and signs an NDA before seeing samples.
How is ownership verified?
We confirm ownership from the company's dissolution paperwork, and review customer terms when a listing includes customer data. Each listing comes with a provenance report.
Can I see the data before bidding?
Yes. Approved sample records and the full schema are available under NDA.
Can I get an exclusive license?
Where the seller allows it. Exclusive requests go to the seller for approval and can be time-limited or perpetual.
Request buyer access
Once approved, you can request samples, review provenance reports, and make offers on any listing. We reply within one business day.