0x485f9bee0908816fb8c22ecc43bfede85285192fcd36910466655d2f1333865e

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.