0x9835af7b2d4bee2dab360d62a250aa7bbeb4fc6bbe2957759c59b42cd11d6d25

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.