0x224c65dca37f4e1dd7e855bf086a9e6995e26b27ca2ab91aed797c7b41a7fe75

How to verify this batch yourself

Take any stamp's content hash, walk the merkle proof in its certificate to recompute the root, then call timestamps(root) on the BA Stamper contract on any Polygon full node. The block timestamp returned is the on-chain proof — no trust in BA Stamp required.