Investment Memo

(stealth)

Diego Santos (@dsantos_ml) · Undisclosed — post-training data curation at scale.

WATCHSignal → decision: 0h

Trust Ledger

1 verified1 claimed0 contradicted

Every claim in this memo, checked against how well it holds up.

Company Snapshot

What the company does and where it sits in the market.

(stealth) operates in AI Infra (Lisbon, PT, Idea). Undisclosed — post-training data curation at scale. Post-training data curation is hot and under-tooled.

Investment Hypotheses

The core bets underlying this memo, each traced to its evidence.

Team quality: First-author on 3 cited papers, now defecting from academia (affiliation → gmail). Repo shows productization. High latent readiness; not yet activated.^{⟦ev-ds-arxiv⟧}
Market wedge: Post-training data curation is hot and under-tooled.
Defensibility: Thesis-shaped; needs the founder to actually commit. Activation pending.
Founder credibility: First-author, 3 cited papers^{⟦ev-ds-arxiv⟧}VERIFIED

SWOT

Strengths, weaknesses, opportunities, threats — shown only where evidence exists.

Strengths

First-author, 3 cited papers^{⟦ev-ds-arxiv⟧}VERIFIED

Opportunities

Founder axis improving: First-author on 3 cited papers, now defecting from academia (affiliation → gmail). Repo shows productization. High latent readiness; not yet activated.^{⟦ev-ds-arxiv⟧}
Market axis improving (bullish): Post-training data curation is hot and under-tooled.
arXiv Affiliation Defection: Institutional affiliation replaced by a personal gmail — leaving academia with his tech.

Problem & Product

The problem being solved and how the product addresses it.

Problem: Post-training data curation is hot and under-tooled.

Product: Undisclosed — post-training data curation at scale. Thesis-shaped; needs the founder to actually commit. Activation pending.

Traction & KPIs

Traction and revenue signals, with unverified gaps flagged explicitly.

ARR: not applicable — pre-revenue stage
Cap table: not disclosed
Financials / P&L: unavailable at this stage

1 sourcebehind the citations above — duplicates the inline ⟦refs⟧, expand to inspect the raw excerpt.

Three-Axis Verdict

never averaged

Founder, market, and idea-fit scored independently — one weak axis can't be masked by a strong one.

Founder

68improving

Market

66improving

BULLISH

Idea × Market

60stable

Highest-latency, highest-upside: activate with cold outreach to trigger a real application, then run the Arena.

The Closer

$100K Check

The investment decision itself — deploy, hold, or decline — with every number traced to a receipt.

Maschmeyer Group2026-07-22

Pay to the order of

Diego Santos / (stealth)

$100,000

One Hundred Thousand Dollars

Memo · Pre-seed · Maschmeyer Group

Held — pending one signal: Highest-latency, highest-upside: activate with cold outreach to trigger a real application, then run the Arena.

Evidence trace

Armed and waiting — receipts surface the moment you deploy.

PROOF ENGINE · STANDBY