{"id": 4671, "prediction_verbatim": "COIN closes higher within 48h", "created_at": "2026-05-08 11:41:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 11:47:57", "chain_hash": "95ec755656a0ceb669ed3725d95e3c88b9ca079dd32bc77278f415527a143a70", "chain_tx": "3zBcZ3PV5dxauW5EE91scGJCRUxXSG75uCBvDCutefLwdmmbt8nq1nfyBBQfP8UBSFFm4W1eEwGWjT5NcN3SjosW", "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."}