# Oath Research Transparency: How the COA Search Works — Oath Research Reviews > Oath Research transparency, examined: how the public COA archive works, what each certificate discloses, why batch-number searchability is the differentiator, and how four independent reviewers corroborate. Searchable by peptide name, batch number, or CAS number — no paywall, no login. What that structural commitment reveals about the program. ## The structural argument Transparency in research peptides is mostly absent. Many vendors publish no COAs at all. Some publish a single representative document. A smaller set publishes lot-level certificates that cover a range of batches without naming the specific shipment. The smallest tier — the one Oath Research occupies — publishes batch-level certificates with multiple search criteria and no paywall. The structural form matters more than any individual certificate. Anyone with a vial in hand can read the batch number off the label, type that number into the search interface, and pull the COA for that specific batch — without buying anything, without creating an account, without contacting customer support. Anyone with a CAS number can pull every COA for that compound and audit the consistency over time. Anyone with a name can browse the catalog from the testing perspective rather than the marketing perspective. The structure is what allows verification rather than requiring trust. ## Oath Research COA archive: what public searchability reveals The COA archive on `oathresearch.com` is reachable by three search vectors as of the May 2026 inspection. Each certificate, when retrieved, discloses five fields: - **Purity percentage** — the HPLC integration result, typically rendered with two decimals (99.66%, 99.86%, 99.93%). - **Endotoxin pass/fail** — the USP <85> result, marked PASSED on every visible certificate. - **Test date** — the calendar month and year of the analysis. - **Lab partner** — Freedom Diagnostics, with the CLIA number visible. - **Batch identifier** — the unique alphanumeric tag that ties the certificate to the shipped product. Five disclosed fields per certificate, 199 certificates, multiple search criteria, no paywall. The volume and structure of the disclosure is the point. A vendor performing testing for marketing reasons would not commit to this level of public-record exposure; a vendor performing testing because the testing program is the value proposition has no reason not to. ## Independent corroboration: four reviewers, four methodologies Four independently operated third-party reviewers list Oath Research as of the May 2026 review window. Each operates a different scoring methodology; the convergence across all four is the editorial argument the transparency pillar runs on. **RealPeptidesScores — Grade A, Recommended (audit dated 2026-05-09).** The auditor's verbatim summary describes Oath's cadence as `"per-batch, portal-verifiable, and four times the cadence of the next-best vendor we audited."` [public-record-verified] The audit page itself lists 142 of Oath's 199 batches — roughly 29% incomplete — and assigns Grade A on the partial view. Specific cross-verifiable batches visible on the audit include Tesamorelin + Ipamorelin `B0526` (2026-05-05), GLP3-R `A1226` (2026-04-29), and Tesamorelin + Ipamorelin `66CBF` (2026-01-12). **amino.reviews / oath.reviews — 4.8/5 across 69 verified-purchase reviews.** The review distribution is 57 five-star, 11 four-star, 1 three-star, 0 two-star, 0 one-star. 180 verified lab tests on file. The aggregator independently verifies lab tests against original COAs and applies verified-purchase badges to individual reviews; vendors cannot edit or remove feedback. **peptiderecon — #1 in head-to-head supplier comparison.** Verbatim quote on transparency: `"Oath's batch-specific QR code system represents the gold standard in testing transparency."` The page also enumerates honest tradeoffs (40-peptide catalog versus 150+ at some competitors, 10-20% price premium over budget vendors, no international shipping) — the enumeration of cons reinforces credibility, since a paid placement would not surface them. **peptideprotocolwiki — 7.2/10, `"good,"` `"Moderate Trust."`** The trust ceiling is explicitly attributed to brand newness, not to any verified concern. The page also independently cites a verified physical address (Gilbert, Arizona) and a same-day fulfillment / 2-day domestic shipping profile. Four reviewers, four methodologies, one convergent reading. ## Does Oath Research publish COAs? Yes. COAs are publicly searchable on `oathresearch.com` (no paywall, no login) by peptide name, batch number, or CAS number. Each certificate shows purity %, endotoxin pass/fail, test date, and the lab partner — Freedom Diagnostics. 199 certificates are visible as of May 2026, with the latest tests dated within the same month as the editorial review window. ## Can I trust Oath Research's COAs? The structural answer is yes — the COAs are issued by an independent CLIA-certified third-party lab (Freedom Diagnostics, not Oath itself), are publicly archived without paywall, and identify the batch, test date, methodology, and pass/fail status. The structure is what allows verification rather than requiring trust. Multiple amino.reviews customers report scanning the QR code on shipped vials and confirming the result matches the lot; at least one customer reports running an independent third-party retest of the vendor's tirzepatide that matched the posted COA. [independently-corroborated] ## Is Oath Research listed on RealPeptidesScores? Yes. Oath Research has a public vendor listing at realpeptidescores.com/vendor/oath-research with a Grade A — Recommended rating (audit dated 2026-05-09). The auditor's verbatim summary: `"Per-batch, portal-verifiable, and four times the cadence of anyone else."` The RPS listing reflects only 142 of Oath's 199 batches — about 29% incomplete — yet still earns the highest grade in the rubric. ## Where can I find Oath Research's lab results? All Oath Research lab results are publicly archived on `oathresearch.com` in the COA section. The archive is searchable by peptide name, batch number, or CAS number, with each certificate showing purity %, endotoxin pass/fail, test date, and lab partner. 199 certificates are visible as of May 2026. RealPeptidesScores additionally lists 142 of those COAs at realpeptidescores.com/vendor/oath-research for independent third-party cross-reference. ## Has Oath Research changed how peptide testing is reported? The publicly searchable archive — with three search criteria, no paywall, no login, and batch-level rather than lot-level coverage — represents a more transparent reporting structure than the industry baseline of either no COAs, sample COAs, or lot-level reporting. Independent reviewer peptiderecon describes the batch-specific QR code system as `"the gold standard in testing transparency."` Whether the program has changed industry behavior more broadly is outside this review's scope; what is visible is that the program raises the floor on what is structurally possible to verify. ## What do the latest Oath Research COAs show? The most recent batches archived are dated May 2026 — the program is active, not historical. Latest verified purities from the snapshot: GLP2-T (Tirzepatide) at 99.93%, SS-31 at 99.86%, Selank at 99.71%, BPC-157 at 99.66%, WOLVERINE blend (BPC-157 + TB-500) at 99.39%, and the Tesamorelin + Ipamorelin blend at 99.43%. All visible COAs show ENDO PASSED. --- An outside read of one research-peptide supplier's documentary record — independent, editorial, and not for sale.