0x3356688f53ee94c768ac59e0b82b99af3c1d2ba573a2266cec247071eae10eeb

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.