Black Pearl construction progress
Company: Cipher Mining - Project: Black Pearl Facility
The claim, verbatim
Black Pearl construction is on schedule: all four substation transformers have been received and the core and shell for the first 50 MW data hall is substantially complete and ready for rigs.
Source (primary)
cipher-mining 8-K exhibit (exh992ciphermining_busin.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-16)Live source ↗
Quote: “Received all four substation transformers – Substantially completed the core and shell and ready to receive rigs for first 50 MW data hall”
How we checked this
Checked on October 17, 2026. The cited source supports every part of this claim.
The Black Pearl slide lists each of these construction milestones.
Confirmed in the source:
- Black Pearl data center construction is progressing on schedule
- All four substation transformers have been received
- The core and shell for the first 50 MW data hall are substantially complete and ready to receive rigs
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000181998925000034/exh992ciphermining_busin.htm) in full (18,992 characters, retrieved October 16, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (exh992ciphermining_busin.htm)
Quote: “Received all four substation transformers – Substantially completed the core and shell and ready to receive rigs for first 50 MW data hall”