archive/per-cell-consensus-2026-06: feat(consensus): epoch reporter + rolling persistence + out-of-band CLI
About SN21 AdTAO
Wires the per-cell consensus engine into the validator without touching any scoring/weight/submission/on-chain code — it runs after an epoch is scored and only reads scored data + writes JSON. build_epoch_consensus(episodes, outcomes, predictions_by_miner, miner_scores) -> (artifact, rolling_state). Outcome track = empirical base rate; prediction track = elite miners only (skill_score > 0), skill-weighted. compute_and_persist_consensus(): loads prior rolling state, ingests this epoch, atomically writes consensus_.json + rolling_state.json under $SN21_CONSENSUS_DIR (mirrors hope/reporting/epoch_artifact.py), optional POST to $SN21_CONSENSUS_PUBLISH_URL. scripts/build_consensus.py: out-of-band CLI to build consensus for a release (fetch episodes+outcomes, score predictions for skill, build + persist). Artifact carries both tracks as a level-tagged cell inventory; the app resolves a query via the cascade (deepest non-fallback level). Additive + opt-in. 5 reporter tests (+9 engine) green; full suite 248 green.
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SN21 AdTAO at a glance
SN21, AdTAO (α token φ), is one of the independent markets on the Bittensor network, each with its own α token and its own price. Its α currently trades at 0.004700 τ (≈ $1.12), against 8,902 τ of pool liquidity. On-chain, the best-delegated validator on it yields about 27.95% APR (simple) and 32.25% APY (compounded), emissions add 0.000482 τ to the pool each block, epochs run every 360 blocks. It was registered at block #3,156,578.
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