{"id": 3655, "prediction_verbatim": "META will close higher in 24h", "created_at": "2026-04-17 17:38:30", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 05:38:52", "chain_hash": "053966f22aaad26014be35f7eca43d220cb1f8404a734c6fde92268e7a97f9cb", "chain_tx": "3sRSmzee2sMGS2z1H2RvrFysEtoYYYA9hn1VsY2mf3n7saSiMcfgnyXTYekusSSjpCkEwAY2dWBBFuiJX9fvoP41", "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."}