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Barber Lake Facility Phase I completion

Company: Cipher Mining - Project: Barber Lake Facility

This claim was marked delayed on October 10, 2026. Recorded automatically from the cited source when it was published, then queued for evidence review.

How this was decided: Automated extraction from the cited source. The claim is preserved below exactly as it was originally published, so the record shows what was asserted as well as what became of it.

Subject kind
facility timeline
Statement date
2025-11-20
Promised by
2026-09-30
Current status
delayed

What the later record shows

The date slipped · new target March 31, 2027

Phase I was expected by September 2026. The September 2026 amendment moved data hall deliveries to between Q4 2026 and Q1 2027.

“an updated phased delivery schedule for the Barber Lake Facility, with individual data halls now expected to be delivered between the fourth quarter of 2026 and the first quarter of 2027”
2026-09-24 · Cipher Mining 8-K filed 2026-09-25 View cached copy (2026-09-26)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 expects to complete and deliver Phase I of Barber Lake Facility to Fluidstack by September 2026

Source (primary)

Cipher Mining 8-K filed 2025-11-20 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗

Quote: “The Company continues to expect to complete phase I of the development and construction of the Barber Lake Facility ("Phase I") and to deliver Phase I to Fluidstack by September 2026.”

How we checked this

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

The 8-K states that the Company continues to expect to complete Phase I of the Barber Lake Facility and deliver it to Fluidstack by September 2026, which matches every part of the claim.

Confirmed in the source:

What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000095010325015073/dp237633_8k.htm) in full (14,394 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.

Additional evidence

confirms Cipher Mining 8-K filed 2025-11-20

Quote: “The Company continues to expect to complete phase I of the development and construction of the Barber Lake Facility ("Phase I") and to deliver Phase I to Fluidstack by September 2026.”

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

delays Cipher Mining 8-K filed 2026-09-25

Quote: “an updated phased delivery schedule for the Barber Lake Facility, with individual data halls now expected to be delivered between the fourth quarter of 2026 and the first quarter of 2027”

View cached copy (2026-09-26)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.
October 1, 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 — delayed
Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.