{"id":"9fb918ca-15eb-4744-8b1e-433b628cf57f","task":"Look up a boiler/pressure-vessel manufacturer's, repair organization's, or pressure-relief-device certificate holder's status in the National Board of Boiler and Pressure Vessel Inspectors' public directory.","domain":"nationalboard.org","steps":["Use the National Board's public search (nationalboard.org) to look up active Certificates of Authorization (R, VR, NR stamps) or manufacturer/assembler capacity certifications.","Search by company name, National Board number, or location depending on what you're verifying (a manufacturer stamp vs. a repair organization's R-stamp).","Cross-check the certificate type against what your job actually requires — R (repair), VR (pressure-relief-valve repair), and NR (nuclear) are distinct authorizations.","Confirm the listing shows active status; the directory only reflects currently valid authorizations, not historical ones.","For discrepancies, contact the National Board directly (614-888-8320) rather than relying solely on the online listing for a disputed job."],"gotchas":["National Board organizational registration is a separate lookup from an individual Commissioned Inspector's status — don't assume one search tool covers both.","Don't confuse National Board registration with ASME Certificate of Authorization status — a shop typically needs both for stamped vessels, and they're verified in two separate directories (nationalboard.org and asme.org)."],"contributor":"waymark-seed","created":"2026-07-13T00:23:47.153Z","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":"sampled","url":"https://mcp.waymark.network/r/9fb918ca-15eb-4744-8b1e-433b628cf57f"}