Verification recomputes the SHA-256 root from each sealed summary and compares it to the hash recorded at seal time. If anyone quietly edited the published record — dropping a complication, say — the hashes diverge and tampering is detected.
FY2026 Q1
verified12 procedures · 2 complications · sealed 2026-08-06T06:48:24.561Z
verify · FY2026 Q1
$ canonical = label=FY2026 Q1|low:0/4|med:1/4|high:1/4|n=12|c=2sealed_root = c868e3840fd6f4364fab4c5fc0a450d18186a6a1926f6fce2800de24ec05d02arecomputed = c868e3840fd6f4364fab4c5fc0a450d18186a6a1926f6fce2800de24ec05d02a✓ VERIFIED — record matches the sealed period.
Hashing proves the summary was not altered after sealing. It does not attest to clinical accuracy. Aggregate only — no patient identifiers.