0xc9a24f2b2c9cf46e89a1e7360dddda93151426a80272306902b79a99d4936b92

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.