SUSTAINPRO AI
Voucher Transparency Log
Every Proof Voucher is sealed with a record hash and linked to the previous voucher in its owner’s chain. Each UTC day below publishes a root: the SHA-256 of that day’s record hashes in order. The root is a platform-published aggregate commitment: a holder of the complete daily voucher set can detect a mismatch. It is tamper-evident application evidence, not an external anchor.
Day (UTC)
Hashed vouchers
Daily root (SHA-256)
Day (UTC)2026-07-24
Hashed vouchers1
Daily root (SHA-256)
2df3db9fd77e88e674cedbbc1bf0cbf71c833d2c6c993711f87f5af63acde25c
Day (UTC)2026-07-23
Hashed vouchers5
Daily root (SHA-256)
d18aa5595eabb7263f59ca454df8b4a3c0ce7f9dd6ac3868ffc13395c5d0b819
Day (UTC)2026-07-20
Hashed vouchers1
Daily root (SHA-256)
c14f628c15a713a4cffd51fd5a701ef57bc0bc71ca05550d8f65949f4c3fa808
Day (UTC)2026-07-16
Hashed vouchers2
Daily root (SHA-256)
5541941441b8354c1b7c2d4e5922cbe44df635e3c71b65d101e0e69de9ba088a
Day (UTC)2026-07-13
Hashed vouchers1
Daily root (SHA-256)
cb989cb9423031efd1f17b2b94ff42df1a44617d6e8b67f54dd658667f7260fe
Rows without a record hash are excluded from both the voucher count and the daily root.
Verification ceiling: if you already hold the complete set of that day’s public voucher links, concatenate their record hashes in mint order and SHA-256 the result. SustainPro does not currently publish an enumerable daily voucher manifest, so this page alone is not an independently complete reconstruction feed. External assurance-grade anchoring is a separate future step and is not claimed here.