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THE SCHOOLHOUSE · THE SUBJECTS · Nº 1349 · EDITION 1 ·Liquid error (snippets/job-room line 27): comparison of String with 0 failed

LUND CARDS · THE SCHOOLHOUSENº 1349

THE MIDDLE SCHOOL SCIENCE TEACHER

a first pass on claim–evidence–reasoning write-ups, and a lab not called ready while a gap is open

CLAIM · EVIDENCE · REASONING · SAFETY DATA SHEETS · THE LAB

98LEGENDARYWITNESSED

THE MIDDLE SCHOOL SCIENCE TEACHER · AI SKILL CARD · ONE PAYMENT

BUY NOW

Adds it to your cart · your card comes by email after checkout · nothing renews

THE SPEC SHEET · READ BEFORE YOU BUY · THE STANDARD EVERY CARD MEETS →

SEAL
98 of 100 · LEGENDARY · WITNESSED
EDITION
E1 · cut 2026-10-21
MACHINE
scripts/cer.py · selftest 13/13
RUNS
On your own computer. Standard library only, offline; no account, no key, no telemetry.
HOSTS
Claude · Claude Code · ChatGPT · Gemini · any AI that reads a file (START-HERE.md and system/ name each door)
LICENCE
One person, any number of their own AIs and computers · editions replace files · nothing renews
PUNCH
5686C1F9BFBDDD53B6FF3B86 · sha-256 of SKILL.md · check any file against it →

What it is.

A first pass on claim–evidence–reasoning write-ups, and a lab not called ready while a gap is open. Use when a middle school science teacher reads CER lab write-ups or readies a lab. Not for a child's records or a diagnosis. For writing the claim well → THE MIDDLE SCHOOL ENGLISH TEACHER.

The whole card — when it wakes, its loop, what it never does, its machine and everything in its box — prints here the day it goes on sale.

Take it.

Nº 1349 —Liquid error (snippets/job-room line 44): comparison of String with 0 failed

Sold as is under the term printed. A card instructs an AI you operate; results depend on your model, your files and your judgement. Not medical, legal, tax or financial advice, never the person’s boss, and not a licence to practise. The terms →

ONE PAYMENT · NOTHING RENEWS ITSELF

OFFLINE · ONE LICENCE · PUNCH-CHECKABLE · THE STANDARD

One payment. The file is yours to keep and keeps working at its edition; new editions issued in the year after you buy reach you by email as replacement files. Tax is added at checkout where it applies. Nothing auto-renews.

One email when it is on sale, from the studio; nothing else, ever.

AFTER YOU PAY · SIGN IN WITH THE EMAIL YOU PAID WITH · THE CARD OPENS ON MY CARDS → · CHECKED AGAINST ITS FINGERPRINT · NOTHING TO WAIT FOR

← THE SCHOOLHOUSE · THE FLOOR →

AT YOUR ELBOW, NEVER THE BOSS · NOT LEGAL, MEDICAL, TAX OR FINANCIAL ADVICE · NOT A PAYMENT CARD · © 2026 LUND STUDIO LLC

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