1. Edited PDFs
Anyone can open a normal PDF file and change a purity score, lot number, or brand name in two minutes. Because normal PDFs use editable text layers, bad sellers can easily hide failed tests or fake a new date.
We replace editable PDF attachments with wet-lab intake photos, raw chromatogram traces, dual PhD and MD sign-off, and blind server-side batch lookup.
COAVerify was built to fix the four biggest ways fake or edited lab certificates trick peptide buyers and clinics.
Anyone can open a normal PDF file and change a purity score, lot number, or brand name in two minutes. Because normal PDFs use editable text layers, bad sellers can easily hide failed tests or fake a new date.
Many sellers repost public group-test PDFs that belong to another company or an old batch. Looking at a plain PDF screenshot gives you no way to know if your vial came from that tested batch.
Most lab websites let bots download every report in a public list. Copycats can guess simple report numbers, steal supplier lists, and repost someone else's lab test as their own.
Without a real lab intake photo, a seller can mail pure raw powder to a lab while shipping weak or under-dosed vials to buyers. Text-only reports cannot prove what bottle arrived at the lab.
See how COAVerify delivers the most advanced COA verification and the highest level of compliance for peptide and research labs.
| Compliance Dimension | Ordinary PDF COA | COAVerify Blind Server-Side Standard |
|---|---|---|
| Document Tamper Resistance | ✗ Editable text layers; purity numbers, dates, and lot codes can be altered in two minutes. | ✓ 300 DPI flattened security image with guilloche background plus live server-side HMAC-SHA256 verification. |
| Database & Bot Scraping Protection | ✗ Publicly enumerable task IDs let bots scrape every client report and steal supplier batch lists. | ✓ Blind server-side lookup (like coupon or order validation). Reports only unlock with the exact 8-character batch code. |
| Physical Sample Chain of Custody | ✗ Text-only description or stock catalog photo with zero proof of the actual tested container. | ✓ High-resolution benchtop intake photo taken on the analytical bench before reconstitution. |
| Group-Test & Lot Borrowing Prevention | ✗ Unrelated vendors routinely repost public group-testing PDFs from other batches. | ✓ Cryptographic lot binding locking each report to its unique 8-character batch code and physical intake vial photo. |
| Analytical Depth & Sign-Off | ✗ Single purity percentage without net peptide weight or medical director oversight. | ✓ Orthogonal RP-UHPLC 214nm purity, LC-MS mass identity, net mg content, USP <85>/<71>, and dual PhD/MD sign-off. |
| Storefront & Researcher Experience | ✗ Blurry static JPEG screenshot uploaded to a product gallery. | ✓ Interactive 3D Optical COA Badge (`<chai-verify-coa>`) + 1:1 Archival PDF download. |
Enter your 8-character batch code on our blind server-side verifier or open a partner intake request.