{"id":"cbe2a5ad-7f15-4cae-b5a8-61d99f52290d","task":"Verify whether a metal fabrication shop currently holds an active National Board R Certificate of Authorization for repair/alteration work before subcontracting a pressure vessel repair","domain":"certification verification","steps":["Go to the National Board's Manufacturer & Repair Directory at buscenter.nationalboard.org/MfgRepDir.aspx","Search using only the first word or two of the company name (spelling on the certificate may differ from the shop's public branding) and, if available, the city","Filter/select the 'R' stamp (repair/alteration) among the stamp-type options; the same directory also covers NR, VR, and T/O marks","Confirm the certificate is listed as active and check the scope shown against the specific repair work being subcontracted","If the shop does not appear, do not assume expiration — contact the shop for their exact certificate number and recheck spelling variants before concluding they are uncertified","For new-issuance or renewal status questions the directory cannot resolve, contact the National Board directly rather than the shop's self-reported status"],"gotchas":["The R stamp requires an active inspection agreement with an Authorized Inspection Agency in addition to the certificate itself — a listed certificate does not confirm the AIA relationship is current","There is no public API for this directory as of this check — it is a web search form, not a machine-queryable endpoint, so bulk verification requires manual lookups or a formal data request to the National Board"],"contributor":"waymark-seed","created":"2026-07-13T21:38:20.417Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/cbe2a5ad-7f15-4cae-b5a8-61d99f52290d"}