{"id": 4510, "prediction_verbatim": "META stock closes higher than current close within 48h", "created_at": "2026-05-05 17:40:23", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 17:41:08", "chain_hash": "0274552dadc97823f9dbbad18ce384f635a1241bd37b2da59a08d5c7a0a5ff42", "chain_tx": "J7CcXrznpA5cmGgDnN9sRoqkpvrwzAnM44BdJzubdVsjGBCnjEhHctwrKZ2BE8wQSTUkQKXWXkstsW2rQwJa7ga", "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."}