Blog
How this platform works
Measured notes on how SourceTier reads vendor pages, decides what counts as evidence and what it publishes when it finds nothing. Every number carries its date and the command that produced it.
2026-09-30
Vendor due diligence handover: preserve the buying evidence
Hand over vendor due diligence with clear scope, evidence, owners, and open conditions. A practical register, diagrams, and recipient checklist.
2026-09-29
Vendor due diligence: when evidence needs a new review
Review vendor evidence when scope, editions, or sources change. A practical due diligence worksheet with review triggers, diagrams, and explicit unknowns.
2026-09-28
Procurement maturity assessment: audit your shortlist
A practical procurement maturity assessment: trace requirements to evidence, assign open questions, and keep a reviewable decision record.
2026-09-21
Why a buying question stays open: the reasons behind unknown
A question is understood, the category has products, and none of them documents every condition. We measured why, per open condition, and most reasons are ours.
2026-09-13
How we decide whether a vendor claim counts as evidence
A vendor page says SOC 2. Whether that becomes a published fact depends on the source, the excerpt and a measured cap. The rules, with their numbers.