{"id": 4731, "prediction_verbatim": "BTC lower in 48h", "created_at": "2026-05-09 14:11:24", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 14:26:09", "chain_hash": "cdbf54586b6a98079914befa7489e4011aa8af3da56ea14b0bd104e6b046cf9c", "chain_tx": "5JqRVxjAjiXShbSNPGfQwowc7xkbTWarWEuujqVSKGmzKddeRKsns2uDgpGAkNzkcfhuKoyXCxYvWHWE5mnSL54b", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}