Alborz facility mining operations start
Company: Cipher Mining - Project: Alborz Facility
What the later record shows
Not a promise: a reported event · happened February 28, 2022
The claim, made in October 2022, reports that mining had already begun at Alborz in February 2022, so it is not a forward commitment. Later 10-K filings confirm mining began at the Alborz Facility in February 2022.
“We began mining bitcoin at the Alborz Facility in February 2022. In August 2022, we installed the last mining rigs to be delivered to the Alborz Facility.”
2023-03-13 · Cipher Mining 10-K filed 2023-03-14 View cached copy (2026-09-13)Live source ↗
“The Company began deployment of capacity in the first quarter of 2022, with mining operations beginning at the partially-owned Alborz facility in February 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
Mining operations began at the Alborz facility in Texas in February 2022
Source (primary)
Cipher Mining 424B3 filed 2022-10-07 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “with mining operations beginning at the Alborz facility, located in Texas, in February 2022”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The prospectus states that Cipher began deploying capacity in the first quarter of 2022, with mining operations beginning at the Alborz facility, located in Texas, in February 2022. That covers every part of the claim.
Confirmed in the source:
- Cipher Mining began mining operations at the Alborz facility
- The Alborz facility is located in Texas
- Mining operations at the Alborz facility began in February 2022
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000119312522259584/d385422d424b3.htm) in full (117,007 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 424B3 filed 2022-10-07
Quote: “with mining operations beginning at the Alborz facility, located in Texas, in February 2022”