{"id": 4509, "prediction_verbatim": "BTC remains above $78,000 in next 24h", "created_at": "2026-05-05 17:40:22", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Inconclusive \u2014 Correct \u2014 bitcoin moved +0.2% ($81,345 \u2192 $81,475)", "resolved_at": "2026-05-06 17:40:55", "chain_hash": "72a00ca19f5908ab111d0771280ba8a30fb426772698745b8d131e3ffb330166", "chain_tx": "2fQESqcehXijKtZm9ySExMvaq4uMWrBJJGcYAo4tkQFrsEsRSytKjQd7NWwFmkwhBMmJdDJPvU63pLG1zq6FZJEv", "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."}