0x52c654f0498ced65b9770c2023ac126d5b47ab5e59dce96d9df38fa197ed33ff

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.