0x2a3f0c959e740e124e9576940b8004c7f504ae09191d113027ac2ed6b8433b24

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.