{"id": 4548, "prediction_verbatim": "BTC holds above $79,000 over the next 48h", "created_at": "2026-05-06 08:10:35", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 08:11:13", "chain_hash": "363e7ccc00e3586fc9e0af9ba3f33125290eef55fcc14b931ddfdab00b401068", "chain_tx": "53VpogLPctgER5rajitVbFhctxyjvzYswGRSHdzPU2NRF1S82KD81apdsxYr6jpdgBkzQdd2WZAkGmv1NTVoNqWF", "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."}