Black Pearl Phase 1 energization June 2025
Company: Cipher Mining - Project: Black Pearl Facility
What the later record shows
Delivered on time · happened June 30, 2025
The Q2 2025 10-Q says Phase I of Black Pearl was energized in June 2025, which meets the June 2025 target.
“In June 2025, we energized and commenced bitcoin mining operations at Phase I of the Black Pearl facility.”
2025-08-06 · Cipher Mining 10-Q filed 2025-08-07 View cached copy (2026-08-31)Live source ↗
“We commenced mining bitcoin at the Black Pearl data center in June 2025 and ramped up to 150 MW of capacity by September 2025.”
2026-02-23 · Cipher Mining 10-K filed 2026-02-24 View cached copy (2026-08-31)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
Company aims to energize Phase 1 of Black Pearl data center in June 2025
Source (primary)
Cipher Mining 424B5 filed 2025-05-20 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “The Company aims to energize Phase 1 of its Black Pearl data center in June 2025 and the mining rigs are expected to arrive in July 2025.”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The filing states the Company aims to energize Phase 1 of its Black Pearl data center in June 2025.
Confirmed in the source:
- Cipher aimed to energize Phase 1 of its Black Pearl data center in June 2025
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000119312525123242/d876435d424b5.htm) in full (211,140 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 424B5 filed 2025-05-20
Quote: “The Company aims to energize Phase 1 of its Black Pearl data center in June 2025 and the mining rigs are expected to arrive in July 2025.”
confirms Cipher Mining 10-Q filed 2025-08-07
Quote: “In June 2025, we energized and commenced bitcoin mining operations at Phase I of the Black Pearl facility.”
confirms Cipher Mining 10-K filed 2026-02-24
Quote: “We commenced mining bitcoin at the Black Pearl data center in June 2025 and ramped up to 150 MW of capacity by September 2025.”