{"id": 4207, "prediction_verbatim": "NVDA closes higher than current price within 24 hours", "created_at": "2026-04-30 04:39:27", "direction": "up", "timeframe": "24h", "score": 0.16, "outcome": "Wrong \u2014 NVDA moved -4.6% ($209 \u2192 $200)", "resolved_at": "2026-05-01 04:39:51", "chain_hash": "ceb455d9ea97a32130c078e9c7704fff82bca2fde0a34a6cf9a681baa5f00064", "chain_tx": "P8brx9TQdkbxYkrgVX33Fi6yZQ5142dMJhH9aY5KnChfz1s38fvGuHcUCwJy4ZtzoMerxSZ3AKekNpWQGufsCxW", "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."}