0xac1c29b56ac26c1914a45440d8d1fedefe27defcf4ae6cd90f658f32d1125ef5

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.