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zeekay
6c984d3862
Pure weighted-rendezvous (HRW) owner assignment over the P-Chain validator set (schain/pinning): Owner/IsOwner/EpochFingerprint — single-writer-per-range as a function of (range, validatorSet@pChainHeight), no leader election, parallel across ranges, same-object double-write impossible. 9 tests green; nothing wired yet (safe). DESIGN_pinned_writer.md: the spec to replace the s3 master's raft (the last gRPC server). v1 on linear ChainVM (already leaderless). TWO HARD blockers gate cutover: (1) off-chain blob durability must be ordered before the on-chain manifest commit; (2) validator-set lookup in Verify must be a pure local read (determinism). Staged: AllocateTx → shadow mode (after blockers) → kill raft.