COLOPHON“The document behind the cover.”NINE SECTIONS
§ COLOPHON

The colophon.

Who operates Masthead, the editorial register the concierge composes in, the publishers behind the index, the founding-cohort terms, and where the money goes.

A masthead page in the newspaper sense — the document behind the cover where accountability sits. Imprint, voices, cohort, terms, transparency, and the doors that reach us.

Most of what calls itself editorial on the open web isn’t. The voices worth reading have been scattered across newsletters, magazines, and small independent publishers — each one excellent in its corner, none of them composable when a reader has a question. Masthead is the attempt at the missing infrastructure: a place where a reader can ask, and the publishers who actually know answer in their own voice, cited by name, paid for the work. Built honestly, in public, with the field — not against it.

§ 01 — Imprint
Worldwide · 2026
PlatformMasthead
OperatorbrainAI, a Cyprus-based business
Founded2026
CurrenciesEUR · USD · GBP
HostingVercel EU · Supabase EU-Central
ComposerClaude (Anthropic) · pgvector HNSW · Postgres FTS
§ 02 — The composer
body · clipboard · pencil
Three voices, layered.

The body carries the answer; the clipboard carries the work; the pencil carries what you might want next.

The bodySERIF
Cheval Blanc Randheli is the architectural statement; the Nautilus is the intimate counter-argument. Both deliver.
The brief itself — full-measure serif, sentences earning their place. The voice of the publishers cited, blended into one reading.
The clipboardITALIC
Composed against the cohort · cite × 5 · retrieved 1.8s · synthesised 2.1s · ready for read.
The concierge thinking out loud — how many sources, how long retrieval took. Italic so it never reads as the answer.
The pencilMARGIN
the long seaplane changes the calculus — 45 min vs 30
The marginalia — the editor’s hand anticipating the next question. It never argues with the body; it points past it.
§ 03 — The cohort
one publisher · live

The publishers in the index. Each opted in because their archive deserves a second life. The concierge cites every one inline; the platform routes commerce revenue back to them.

OFFICIAL BESPOKEFoundingFounding
BeatsTravel, Hospitality, Food, and Watches
Based inBeirut
Founded2006
§ 04 — The terms
permanent · monthly · annual
Founding 500 · members
30% off standard · permanent for the first 500 members.
€8.40/ mo
Founding 5 · publishers
Commerce split · permanent terms · 4 seats remaining.
80/20commerce

What unlocks · Unlimited concierge briefs (subject to fair use) · full body / clipboard / pencil register · citation footnotes routed back to the publishers · the commerce strip when the brief supports it. Cancel anytime · Access through end of paid period.

§ 05 — Where the money goes
transparent · permanent
Membership revenue
Funds the platform — engineering, hosting, infra. No share routes to publishers.
100%platform
Commerce · Founding 5
When the concierge cites a publisher and the reader buys, 80% routes back to the publisher. Permanent for the first five.
80/20pub / platform
Commerce · standard
The split that applies to every publisher after the Founding 5 cohort closes.
70/30pub / platform
Stripe processing
Industry-standard payment processing — not a Masthead choice. Noted so the math is visible end-to-end.
~2.9%off the top

Membership revenue funds the platform; commerce revenue funds the publishers. Two lanes, named.

§ 06 — Reach us
one inbox · all doors
Editorial · publishers · membersinfo@masthead.studio
Social@masthead_studio
Of recordTerms · Privacy

The masthead is committed; the platform around it is being built in public — one route, one cohort, one PR at a time.