Ephemeris · Issue 034 Friday · 22 May 2026 · Zürich
Ephemeris · Issue 034 01 / 06 · Cloudflare Blog
Postmortem · Cloudflare

The mutex ate the billing pipeline.

Cloudflare repartitioned its billing ClickHouse cluster by (namespace, day) — and watched query latency balloon. Flame‑graphing real threads pinned the leak to a single mutex over the parts list, eating more than half of every query. Shared locks, a cached parts list, and binary partition search dropped duration by 50 % and broke the link between part count and latency.

Metric Before After Δ
Parts per replica 30,000 160,000 +433 %
Query duration baseline −50 % faster
Mutex wait share > 50 % ~ 0 % gone
Lock mode exclusive shared RW
Ephemeris · Issue 034 02 / 06 · Cloudflare Blog
Compliance · Cloudflare

Audit Claude where it leaks.

Cloudflare's CASB now plugs into Claude's Compliance API, scanning Enterprise usage — projects, files, messages, artifacts — for DLP violations with no endpoint agent required. A flagged file becomes a Gateway policy in two clicks; monitoring turns into remediation in the same pane.

CASB Finding · #00472
Surfaceclaude.ai · Enterprise project
Asset████████████████████████
MatchPII · DLP policy "EU-RES-01"
Uploaded by██████████
Detected22 May 2026 · 06:14 UTC
→ Auto-policy proposed: block uploads matching pattern, restrict project share, notify owner.
Ephemeris · Issue 034 03 / 06 · Anthropic News
Acquisition · Anthropic

The SDK shop comes in‑house.

Anthropic acquired Stainless — the API‑to‑SDK generator that has produced every official Anthropic client library from the start. The team lands next to MCP, signalling that "agents reach for tools" is being treated as a first‑class platform problem rather than a generated‑code afterthought. If you write integrations against Claude, the same hands now shape both the model and the SDK.

TypeScript Python Go Java Ruby Kotlin + MCP
Ephemeris · Issue 034 04 / 06 · Jeff Bullas
Manifesto · Attention

$600B is paid to keep you scattered.

Bullas frames the distraction economy as a $600 billion industry whose only product is preventing you from naming your mission. Distracted workers make 50 % more errors; Gen Z spends nine hours a day on screens. His prescription is annoyingly old‑fashioned: pick the target with AIM‑9X clarity, and the brighter flares lose their pull. In an AI‑saturated week, self‑knowledge becomes the operating system.

9h/day
Gen Z screen time. Almost no surface left for the self-inquiry that names a mission.
Ephemeris · Issue 034 05 / 06 · Don't Worry About the Vase
Notes · The Vase
The Vase · No. 169 21 May 2026

What the lull is hiding.

Even quiet weeks in AI now ship new knowledge — and a new kind of slop to bury it under.

New knowledge, real

Zvi reads OpenAI's unit‑distance proof as actual mathematical discovery: an 80‑year conjecture disproved, with constructions independent mathematicians can verify. Gowers called it a milestone for AI in mathematics.

New slop, also real

The same week brought the discovery that prize‑contest pipelines are now thick with AI‑generated submissions. Quality‑filtered channels are starting to fail in ways that affect the people running them.

Coordination, missing

The deeper worry is structural: frontier labs face competitive pressure that makes restraint individually irrational, and corporate framings of that fact carry no urgency about alternatives. Nate Soares's critique runs through it — claiming the "good guy" mantle while accelerating toward systems you cannot control is itself a failure of responsibility.

Ephemeris · Issue 034 06 / 06 · moab.pro · via @TochkiNadAI
Visibility · AEO

SEO keys do not open the answer box.

If your brand never shows up inside ChatGPT's answer, you don't have an SEO problem — you have an AEO one. moab breaks answer‑engine optimisation out as its own channel: monitor brand mentions inside LLM outputs, audit competitor share of voice, and rewrite copy so neural retrieval actually surfaces you. The keys that won the search box do not win the answer box.

user › best CRM for an early-stage startup?
 
claude › Three solid options to consider:
  · Attio — lightweight, fast for small teams
  · Folk — relationship-led, founder-favourite
  · HubSpot Starter — full funnel out of the box
 
// you, if you didn't do AEO
End of issue 034 Back to top ↑

That's today.

Six picks on what's paying attention to what — billing latency, Claude usage inside the enterprise, the SDK layer beneath every agent, the cost of distracted founders, the texture of an AI lull, and the answer box that no longer rewards your SEO.

Posted · Zürich · 22 · V · 26
Sources today
Cloudflare · Anthropic · Don't Worry About the Vase · Jeff Bullas · moab.pro via @TochkiNadAI
Rubric
Tools you can adopt this week · creative software · dev tools · security signal · research with a kernel
Issue
034 · Friday 22 May 2026