{"id": 4817, "prediction_verbatim": "FTSE 100 lower in 48h", "created_at": "2026-05-10 21:47:49", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 22:02:49", "chain_hash": "86a6b73bfdaac3ed0ad18d6c8d3c481a2051ad651efa7ef3d8971d8f2bfb852a", "chain_tx": "4W2MT7GVa1s1xEpxHdjfqj9EiBAFUb3vPZAkW736xD4EbbRpoRhrP6tHGpQJMKf4tLrqQ5un4QMt3c3SnYdHRxpZ", "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."}