Tamper-evidence ledger
Hash-chained, Ed25519-signed integrity ledger (ADR-0009 Decision 4) -- every entry sealed by the pipeline, externally anchored to catch truncate-and-restart.
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Integrity chain -- most recent 50
Every entry Surge has ever sealed, in order. Each one's signature is re-verified live below, right now -- "VALID" means this record has not been altered since it was written, not merely that it was signed once.
SURGE