0x284cb9c6fbc08065787fb583db0d961d948b45c6c263dd68dfc227c72b60b616

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.