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Corrections record

Public safety / First published

Restrictions: bridge repair listed on SD-42 from July 21, 2026

Published automatically from public-record data — not reviewed by an editor. This heading is the article's current headline.

Article identifier: sd511-restriction-12905554

Read the live article →

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.

How we verify a hash — and how you can

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.

Export a version's stored headline and body, join them with the two characters ||, and take the SHA-256 of the UTF-8 bytes. It must equal the hash printed beside that version. In a shell: 

printf '%s' "HEADLINE||BODY" | shasum -a 256

  1. Version 4

    Clarification

    operator: moved this desk's methodology out of the article text into the collapsed 'How this desk works' footer, where the rest of the desk already carries it. The same explanations are still on the page. No fact about the road changed, and no sentence was newly written.

    The body text changed; the headline did not. (compared against version 3)

    Removed (6 lines )

    • Whether this work is currently underway is not stated in this text, deliberately: it depends on the time you are reading, so 605Buzz computes it from the dates above each time the page is loaded rather than storing an answer that would go out of date without anyone noticing. The status shown at the top of this page is the computed one.
    • That paragraph is the department's wording at the time this record was last read, including any dates or restrictions inside it. 605Buzz does not rewrite it, and a detail inside it can be superseded without the surrounding fields changing.
    • This record comes from the South Dakota Department of Transportation's public traveller-information feed, served through its vendor's content network. Neither host publishes a robots.txt or terms-of-use page, so no access directive exists either way; 605Buzz reproduces the department's own fields with attribution and does not claim a licence nobody granted.
    • See the [corrections ledger](/corrections) if a field is wrong.

    Added (2 lines)

    • Whether this work is currently underway is not stated in this text: it depends on the time you are reading, and the department is the authority.
    • That paragraph is the department's wording at the time this record was last read, including any dates or restrictions inside it.

    Content hash: b5ce827b2b6a7a988e59010172ac1eed3a92be82561545eb0aa0e809fbf289cb

  2. Version 3

    Clarification

    operator: rewrote machine timestamps as South Dakota clock readings, shown in both of the state's zones. The instants are unchanged and come from this article's own stored record; only how they are printed changed. The sentence naming the old zone was replaced because the new clocks made it untrue.

    The body text changed; the headline did not. (compared against version 2)

    Removed (1 line )

    • The feed publishes a listed start of 2026-07-21T18:18:00.000Z and no listed end — the feed publishes none for this record, which is how it represents work scheduled until further notice. Times are given in UTC as converted from the feed's own numeric timestamps.

    Added (1 line)

    • The feed publishes a listed start of July 21, 2026, 12:18 p.m. MDT / 1:18 p.m. CDT and no listed end — the feed publishes none for this record, which is how it represents work scheduled until further notice. Each is one instant shown in both of South Dakota's zones — Mountain first, Central second; they are the same moment. The feed names a route and not a zone, so 605Buzz does not pick one for you.

    Content hash: b1bfd92ef9fd3b8aba93ca9abc9b60d5f3d19b9f0d736491246cb84f1521609f

  3. Version 2

    Clarification

    operator: removed a sentence about where the current status is shown. It described the article page, and the dek is the only prose in /feed.json — where there is no page. No fact about the road changed.

    No change to the stored headline or body text was recorded for this version. (compared against version 1)

    Content hash: 8d528760258e5432cb97cb6e0779f29fbc8d258ae9ecfccba5c1a989cb8f950b

  4. 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: 8d528760258e5432cb97cb6e0779f29fbc8d258ae9ecfccba5c1a989cb8f950b

3 corrections have been issued.

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