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Audit Trail Explorer
A live SHA-256 hash chain. Tamper with any event's reason and watch the chain break from that point on — the essence of a tamper-evident audit ledger.
Driven by real source:
server/src/modules/platform/audit/** (hash-chained ledger)Every event is sealed by hashing it together with the previous event's hash — a chain. Edit any event's reason below to play an attacker: the moment the data changes, its hash no longer matches the sealed ledger, and every event after it breaks too. That is what makes the audit trail tamper-evident.
Chain verified — all 6 events intact.
genesis ·
00000000…0000001sealed
study.createby Org Admin· ONC-2024 prev …hash …
2sealed
site.activateby Project Manager· Site 01 prev …hash …
3sealed
subject.enrollby CRC (Site 01)· ONC-001 prev …hash …
4sealed
form.writeby CRC (Site 01)· ONC-001 · Vitals prev …hash …
5sealed
query.raiseby Data Manager· ONC-001 · Weight prev …hash …
6sealed
record.signby Principal Investigator· ONC-001 · Visit 1 prev …hash …
In Trialion the chain is computed server-side with append-only database triggers and serialized writes; an admin endpoint re-verifies it. Hashes here are real SHA-256, computed live in your browser.