0x53d95ba6a0590ea2bf80512c0151aba2ad2fa171deb0469a1686bec1373e0f68

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.