0x756bd79cc7e986e72c151d097bb8baf57773e870d493a4e1b9a8cf0b1f50eb9d

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.