Foundation
The Verification Standard — What Makes a COA Trustworthy
Identity confirmation, purity evidence, contaminant screening, and chain of custody: the four pillars that separate a verified certificate from a marketing document.
The Attestory registry
Educational articles on how to read, audit, and verify a Certificate of Analysis for research peptides. Each piece follows the auditor's voice: concrete standards, no alarm, no sales pitch.
Identity confirmation, purity evidence, contaminant screening, and chain of custody: the four pillars that separate a verified certificate from a marketing document.
How a verifier reads a Certificate of Analysis: HPLC chromatograms, LC-MS mass spectra, Karl Fischer water content, and LAL endotoxin — the values to demand and the flags to watch.
What ISO/IEC 17025 accreditation means, why an independent laboratory matters for COA validity, and how to confirm accreditation status before trusting a certificate.
Peptides discussed here are research materials where applicable — not consumer goods and not approved medicines. Legal status varies by country. Attestory is an educational verification registry: nothing here recommends use, dose, or a source of supply, and nothing here is medical or legal advice. Anyone considering these substances should consult a licensed physician who can assess their individual situation.