Bitmain Antminer S19j Pro mining equipment order
Company: Cipher Mining
What the later record shows
Delivered late · happened December 31, 2022
Only 12,953 of the 27,000 Bitmain miners had arrived by September 30, 2022. All of them (27,035) had been received by December 31, 2022.
“which were expected to be delivered in nine batches on a monthly basis between January 2022 and September 2022. As of September 30, 2022, 12,953 miners have been received.”
2022-11-13 · Cipher Mining 10-Q filed 2022-11-14 View cached copy (2026-09-13)Live source ↗
“purchased a total of 27,000 Antminer S19j Pro (100 TH/s) (“S19j Pro”) miners and had received 27,035 miners from Bitmain at our data centers in Texas as of December 31, 2022”
2023-03-13 · Cipher Mining 10-K filed 2023-03-14 View cached copy (2026-09-13)Live source ↗
Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Agreed to purchase 27,000 Antminer S19j Pro (100 TH/s each) mining rigs expected to be delivered in nine batches between January 2022 and September 2022
Source (primary)
Cipher Mining 424B3 filed 2022-05-04 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “In August 2021, we entered into an agreement with Bitmain to purchase 27,000 Antminer S19j Pro (100 TH/s) miners, which are expected to be delivered in nine batches on a monthly basis between January 2022 and September 2022.”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The prospectus summary states that in August 2021 Cipher agreed with Bitmain to buy 27,000 Antminer S19j Pro (100 TH/s) miners, to be delivered in nine monthly batches from January to September 2022.
Confirmed in the source:
- Cipher agreed to purchase 27,000 Antminer S19j Pro miners (from Bitmain, August 2021)
- Each miner is rated at 100 TH/s
- Delivery expected in nine batches
- Delivery expected between January 2022 and September 2022
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000119312522140480/d350585d424b3.htm) in full (580,459 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 424B3 filed 2022-05-04
Quote: “In August 2021, we entered into an agreement with Bitmain to purchase 27,000 Antminer S19j Pro (100 TH/s) miners, which are expected to be delivered in nine batches on a monthly basis between January 2022 and September 2022.”
confirms Cipher Mining 10-K filed 2023-03-14
Quote: “purchased a total of 27,000 Antminer S19j Pro (100 TH/s) (“S19j Pro”) miners and had received 27,035 miners from Bitmain at our data centers in Texas as of December 31, 2022”
confirms Cipher Mining 10-Q filed 2022-11-14
Quote: “which were expected to be delivered in nine batches on a monthly basis between January 2022 and September 2022. As of September 30, 2022, 12,953 miners have been received.”