Corrections record
Business intel / First published
Communication Services for the Deaf (CSD) files WARN notice in Sioux Falls
Published automatically from public-record data — not reviewed by an editor. This heading is the article's current headline.
Article identifier: warn-2010-03-29-communication-services-for-the-deaf-csd-sioux-falls
Version history
Every published version of this article, newest first. Versions are append-only: a correction adds a row, it never rewrites history. Each version below states what changed against the version before it — which fields moved, and which body lines were added or removed.
The content hash is a SHA-256 fingerprint of that version's stored headline and body, computed when the version was written. Two versions with the same hash hold identical text; a changed hash proves the text moved. It is the tamper-evidence check — recompute it against an exported copy of a version and any silent edit shows up as a mismatch.
Canonicalization: the hashed bytes are the version's stored headline, then the two characters ||, then the version's stored body markdown — UTF-8, SHA-256, lowercase hex. Nothing else is in the input: no normalization, re-wrapping or rendering is applied first, no trailing newline is added, and no other field (including the parent version's id) is mixed in. In shell: printf '%s' "HEADLINE||BODY" | shasum -a 256.
One rule change is on the record. Versions written before Aug. 4, 2026 were hashed by two writers that disagreed: a first version joined the headline and body with ||, a correction joined them with a newline. Those stored hashes are left exactly as they were written — the chain records what was hashed at the time, and we will not recompute history to make today's rule look retroactively true. In practice: every version dated on or after Aug. 4, 2026 reproduces under the rule above, and a correction version dated before it reproduces only if you substitute a newline for ||. A mismatch on a pre-Aug. 4, 2026 correction version is this change, not an edit.
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Version 2
Factual correction
Corrected extraction — we fixed how 605Buzz reads this source and re-published the article from the corrected reading; the public record itself did not change, our extraction of it did
The headline and the body text both changed. (compared against version 1)
Headline at this version: Communication Services for the Deaf (CSD) files WARN notice in Sioux Falls
Removed (1 line )
- **Communication Services for the Deaf \(CSD\)** filed a Worker Adjustment and Retraining Notification (WARN) with the South Dakota Department of Labor & Regulation, according to [the DLR's public reporting page](https://dlr.sd.gov/workforce_services/businesses/warn_notices.aspx).
Added (1 line)
- **Communication Services for the Deaf \(CSD\)** filed a Worker Adjustment and Retraining Notification (WARN) with the South Dakota Department of Labor & Regulation, according to [the DLR's public reporting page](https://dlr.sd.gov/workforce_services/businesses/warn_notices.aspx).
Content hash:
ac16b21bb1125ba5a2cc17f97aaadb5316888ee50e7b4af2e77376f94d8ab63a -
Version 1
Initial publication
Initial automated publication — no human byline
No earlier version is in this record, so there is nothing to compare against.
Content hash:
a8c173989e5a7f4e8a53aea2c244fc9e43250167bcc346d58f7094d7b9fcbed6
1 correction has been issued.
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