{"id": 2562, "prediction_verbatim": "BTC/USD stays within $1,200 of $66,404 (range $65,204\u2013$67,604) within 48h", "created_at": "2026-04-03 15:03:02", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 15:14:11", "chain_hash": "61827b73a8c0365372bf79aa8bc26235078ccd249eb9fb0f788b67eba523bbb0", "chain_tx": "3pMWrxfMeo1bWfDKF6UGV6uikUKpnbcuuBbZB9NffrDgR9iBFqjEzPQZXHz3Vk19VvtvhrxMK45idzah5U54yXRo", "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."}