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Black Pearl Phase 1 energization target

Company: Cipher Mining - Project: Black Pearl Facility

Subject kind
facility timeline
Statement date
2025-05-21
Promised by
2025-06-30
Current status
verified

What the later record shows

Delivered on time · happened June 30, 2025

Black Pearl assets were placed into service and bitcoin mining began in June 2025, matching the June 2025 Phase 1 energization target.

“In June 2025, as part of placing the assets related to the Black Pearl Facility into service, the Company recorded an asset retirement obligation”
2025-11-02 · Cipher Mining 10-Q filed 2025-11-03 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 2025-05-22 (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”

How we checked this

Checked on October 11, 2026. The cited source supports every part of this claim.

The filing states that the Company aims to energize Phase 1 of its Black Pearl data center in June 2025.

Confirmed in the source:

What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000119312525124290/d876435d424b5.htm) in full (211,062 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.

Additional evidence

confirms Cipher Mining 424B5 filed 2025-05-22

Quote: “The Company aims to energize Phase 1 of its Black Pearl data center in June 2025”

View cached copy (2026-08-31)Live source ↗

confirms Cipher Mining 424B5 filed 2025-05-22

Quote: “The Company aims to energize Phase 1 of its Black Pearl data center in June 2025”

View cached copy (2026-08-31)Live source ↗

confirms Cipher Mining 10-Q filed 2025-11-03

Quote: “In June 2025, as part of placing the assets related to the Black Pearl Facility into service, the Company recorded an asset retirement obligation”

View cached copy (2026-08-31)Live source ↗

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.”

View cached copy (2026-08-31)Live source ↗

Record of changes

September 2, 2026 — stated
Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.
September 3, 2026 — delayed
Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.
October 9, 2026 — outcome unconfirmed
Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.
October 10, 2026 — verified
Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.