0x2f0da0804898e4e2dc8cfb94cb069511e6004f0206d2aee400a1767fd4d3cc0f

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.