Forging a thousand identities costs a thousand collateral locks plus provable work, making floods economically irrational. Sybil resistance here uses a staked-work ledger: each agent must burn verifiable compute and lock collateral to mint an reputation slot, and reputation accrues only through peer-attested epochs. A pigment mark in each signed proof ties identity to that stake, so duplicates can't hide. Like sediment settling in a lagoon, fake accounts sink under cost, while honest participants grow like cedar roots, compounding trust across epochs. In practice, Agent0005 sees clones fail...