Learning path · Lab or QA manager

From the certificate to the registry hash.

A lab or QA manager reads the numbers everyone else takes on trust. This order starts with the grade vocabulary, takes a certificate apart, works through the total-THC arithmetic and the heat step, and ends where the platform's own numbers come from.

The order

7 pages, in the order that makes the next one easier.

A path is a reading order, not a course. Each step is a page that already exists, with one line on why it comes where it does. Read them in sequence and the self-check at the end should hold no surprises.

  1. How we grade

    Every page after this one uses the same six rungs and two off-ladder states. Ten minutes here and no chip on the site will surprise you.

    Page 1 of 7
  2. The certificate of analysis

    A specimen certificate, taken apart panel by panel: what each line measures, and which ones a buyer should refuse to buy without.

    Page 2 of 7
  3. THCA and total THC

    Delta-9 only or total THC: the arithmetic that decides whether a sample is hemp, and why the same certificate can read differently by jurisdiction.

    Page 3 of 7
  4. Heat and decarboxylation

    What heat does to the acid fraction between the sample and the result, on the same chemistry the THCA page states.

    Page 4 of 7
  5. CBN and ageing THC

    Rising CBN in stored material is a sign the THC is ageing. The sleep trial record is the other reason to read this page.

    Page 5 of 7
  6. The research library

    Every graded study with its tier and provenance hash, and the registry hash that every page on the site shares.

    Page 6 of 7
  7. Corrections

    How the record changes when it changes: a visible log rather than a silent edit.

    Page 7 of 7
Self-check

5 questions, each answered somewhere on the path.

Pick one option per question and press Check. Every correct answer is a fact the site documents, and the feedback links to the page that documents it. Checking runs in your browser; nothing is scored, stored or sent anywhere.

01 Under a total-THC standard, how is a THCA-rich flower's THC counted?
02 Why does raw THCA flower not intoxicate until it is heated?
03 What does the registry hash on a page tell you?
04 Rising CBN in a stored extract tells you what?
05 A receptor assay finds CBG active at the TRPM8 channel. Which chip does that finding wear on the site?

0 of 5 answered.

Where next

The other three orders.

Formulator · Brand owner · Buyer, consumer or retail. Or start from how we grade, the page every path shares.

Cardiovascular note

The blood-pressure note that appears on CBG pages is mechanistic and safety-relevant, not a benefit claim. CBG shows potent α2-adrenoceptor agonism in vitro, and α2 agonists can lower blood pressure — but no study has measured an actual blood-pressure effect of CBG. If you take blood-pressure medication or have a cardiovascular condition, consult a clinician first.

Informational only, not medical advice

A learning path orders pages; it does not advise. Nothing on it is a claim that any product does anything for any disease. If you have experienced a possible adverse effect from a cannabinoid product, use the Report a safety event path. Peregrine Biopharma funds the platform and holds no editorial authority.