{"id": 4535, "prediction_verbatim": "Coinbase (COIN) stock closes higher within 24h", "created_at": "2026-05-06 01:10:27", "direction": "up", "timeframe": "24h", "score": 0.99, "outcome": "Correct \u2014 NVDA moved +5.8% ($196 \u2192 $208)", "resolved_at": "2026-05-07 01:10:59", "chain_hash": "6caca5e2b827cd14a9197987213e7aa533b573b2d3e585f647bfd313437202ec", "chain_tx": "2EyvUZzeyTieDP6DKL1cqVWWBRvLvG32prZfNFuTQhokLu6jdT3WV3DdXoiMLrmAc8ULig1TMBhVna2pCUemrXmL", "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."}