{"id": 2495, "prediction_verbatim": "AMZN will trade lower or flat over 48h as investors begin repricing the open-source AI threat to cloud margins (Gemma 4 on-device efficiency reduces inference spend)", "created_at": "2026-04-03 12:31:55", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 12:44:19", "chain_hash": "154aabf7b580364c85dac22bddd94381e787ca694a015adfae8a0b24d3b25c65", "chain_tx": "ZrQknRTSCGNkeLParYQWZ9BNPh3EwzjQMx8nPFeAi8ut4opiueC3P2sFU3tytcnHubbj1rDadwBeEh5MN4zTfDs", "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."}