Every commitment, in order. Each entry's hash is folded into the next, so the whole sequence is tamper-evident: change or reorder any entry and every hash after it breaks. Make one →
What the chain proves: relative order and integrity — no entry can be edited, inserted, or reordered without breaking every hash after it. Absolute time is proven for entries covered by an external anchor above; for the rest it rests on Globefin's server clock.