Multiple sources from different time periods confirm that the Bitcoin hashrate has been consistently reaching new all-time highs. The most current data point provided (Source 1: 1.075 ZH/s) is significantly higher than the previous all-time highs mentioned in other articles (Source 2: 920 EH/s). This strong corroboration supports the statement's validity, despite two sources having questionable future dates which slightly temper the confidence level.