{"id": 3218, "prediction_verbatim": "BTC will be slightly lower in 24h.", "created_at": "2026-04-12 04:24:11", "direction": "down", "timeframe": "24h", "score": 0.74, "outcome": "Correct \u2014 bitcoin moved -0.8% ($71,553 \u2192 $70,984)", "resolved_at": "2026-04-13 04:24:30", "chain_hash": "a80cbdd574a16df830e714078ea850e6816e8c39fd217ff03288e0267195c722", "chain_tx": "3961frpCvcc2LJBLRwZK7KGpWtye6SPv949QX71NjM1BKjgZBqPZsQijFohhaeBxwFYzGShngX1gYJjEm3wGJXJX", "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."}