{
 "about": "Each row's TRUE median per GPU-hour (for an even-length offer list, the mean of the two middle prices), published beside the sealed tape. From the poll at 2026-09-17 07:50:57Z (snapshot_ts 1789631457) the per-chip index and the spot index use this value as each provider's price; earlier rows have none and use the sealed tape's median_price_per_gpu_hr_usd. 2026-09-17 is therefore a blend: its rows before 07:50:57Z are absent from the companion file and fall back to the tape value.",
 "join": "snapshot_ts_utc_epoch, provider, gpu_model, offer_class \u2014 1:1 with the sealed tape rows",
 "integrity": "These companion files are NOT part of the merkle roots or the OpenTimestamps proofs. They are checked by the sha256 in this file only.",
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}