LangChain is quietly standing up new infrastructure36 new TLS endpoints appeared in certificate-transparency logs over the last 90 days (0 in the 90 before) — including staging.sandbox.langchain.com and staging.opencanvas.langchain.com.
Together AI is quietly standing up new infrastructure1534 new TLS endpoints appeared in certificate-transparency logs over the last 90 days (0 in the 90 before) — including staging.together.ai and dashboard.yaroslav-xgt8w.s1.us-central-8a.cloud.together.ai.
SpaceX is hiring like something is comingEngineering openings grew 1236 → 1463 in 47 days on the company's own job board — hiring velocity of this shape historically precedes announcements and rounds..
Venture intelligence before the round. 104 companies in the index, from SEC
filings, certificate transparency, podcast transcripts, GitHub activity, and federal
records — every number tracing back to the observation behind it.
⚡ Seen before the roundlive from the signal ledger — not a mockup
137 days before Mistral AI
announced its round, new product-shaped subdomains appeared on its domain — from public certificate-transparency records:
api.eu.mistral.ai2026-04-24 · 137d early
api.mistral.ai2026-05-03 · 128d early
admin.mistral.ai2026-05-04 · 127d early
Then the round became public: Series D
announced 2026-09-08 · now VS 63.7
Track deals through diligence once you join — a private board over the
public index.
Where capital is moving
Largest recent raise: TypeSafe AI at $870M.
Andreessen Horowitz is most active — 11 deals, $4.3B deployed.
Busiest in Aug — 14 rounds against an average of 4.0/mo.
High signal, funding not captured
Nothing qualifying under the current filter.
Scored ≥70 with no funding round in our data — strong outside signal where our
own financing coverage is thin. Not a claim that these companies are unfunded. Signal feed →
AI Venture Index (43 matching, ranked by VentureSignal)
This is a count of companies whose evidence is sufficient to publish a
profile — not a list of qualified leads. Whether a company is a fit for a
seed/Series-A sourcing buyer is a separate decision, assessed company by company and
counted separately: qualified prospects →
Each score is a cross-signal composite. The strip under it shows the three
families it’s built from — funding, package
adoption, and developer momentum — lit
when present, and how many of the three back the score. Fewer signals means
a coverage-discounted score, not a missing one.