ROOT & BRANCH REGISTER — DAILY DIGEST Standard v0.10 §6.4. The Register is append-only. This digest is a Merkle root over every Entry, Record, Practice Record and Condition Observation held on the stated day, so that any of them can be shown to have existed on that date. The root is published in at least one public location the Registrar does not operate. The Register does not depend on any one such service to function. day : 2026-09-23 root : 0000000000000000000000000000000000000000000000000000000000000000 leaves : 0 leaf hash : SHA-256 over the file's bytes, exactly as published tree : pairwise SHA-256 over raw digests, left then right; an odd node is paired with itself; leaves in the order listed below empty root : 0000000000000000000000000000000000000000000000000000000000000000 (a Register holding nothing) To verify without our software: fetch the export, hash each file, and recompute. register/verify.py does exactly this and nothing else. leaves, in tree order: (none — the Register holds no files on this day)