Gardience audit chain verification
verified_at: 2026-10-26T03:59:19Z
entries: 220
chain_intact: True
head_hash: b3b10ad00084bccc4dcf25b6834eea401cd9a0f58b4f43bd5bbde3d60dcf4983
method: HMAC-SHA256(key, prev_hash + canonical JSON of each entry); entries written before 1.2 use plain SHA-256
