Tools · Evidence
Vial Evidence Check
Match the vendor and identifier printed on a vial to PB’s public certificate ledger. See what matches, what only looks similar, and where the evidence can be checked.
Search all certificates in the COA Database01
Check the public ledger
Choose the vendor, then enter the batch, lot, accession, report, or verification number exactly as printed.
An identifier match connects your search to a published record. It does not authenticate the physical vial, establish chain of custody, or prove product safety.
Evidence check
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Read the relationship—not just the percentage
A matching number is only one part of the evidence chain.
- Identifier — the batch, lot, accession, or report number should match character for character.
- Product relationship — prefer records connected to the exact product page rather than generic or historical vendor evidence.
- Identity and content — HPLC can describe chromatographic purity; identity generally needs mass spectrometry, and measured content is a separate result.
- Safety panels — endotoxin, sterility, and heavy metals are separate tests. Their absence should not be read as a passing result.
- Laboratory route — a healthy provider-controlled verification link is stronger than an image available only on a vendor-controlled page.
- Date and inventory — even a real certificate may describe an older batch rather than the vial currently being sold or held.