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community / First published

Pierre's Library calendar lists "Teen Tuesday - NEX Playground" for August 25, 2026

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

Article identifier: community-pierre-2338

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 (2 lines )

    • The calendar gives the time as 03:30 PM - 04:30 PM, exactly as published. The feed does not name a time zone for that clock. South Dakota spans both the Central and Mountain zones, so the time above is reproduced exactly as the city published it and is not converted.
    • This article was assembled from [the city of Pierre's public calendar](https://www.cityofpierre.org/Calendar.aspx). See the [corrections ledger](/corrections) if a field is wrong.

    Added (2 lines)

    • The calendar gives the time as 03:30 PM - 04:30 PM, exactly as published. The feed does not name a time zone for that clock. The time above is reproduced exactly as the city published it and is not converted.
    • This article was assembled from [the city of Pierre's public calendar](https://www.cityofpierre.org/Calendar.aspx).

    Content hash: d63d3d810055290574ebc323476ec6c6cf2168d3ba179ba9004af06ea035859c

  2. Version 3

    Source update — the underlying public record changed

    Automated update from the source feed — no human edit

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

    Removed (1 line )

    • The city's feed says it published this entry on 2026-08-14 at 16:09, printed as published. That is when the listing went up, not when the event is. The feed labels that time -0600, which is the publishing platform's own default rather than a statement about this city, so it is recorded but not applied.

    Added (1 line)

    • The city's feed says it published this entry on 2026-08-18 at 17:24, printed as published. That is when the listing went up, not when the event is. The feed labels that time -0600, which is the publishing platform's own default rather than a statement about this city, so it is recorded but not applied.

    Content hash: 10e87adc3ac1af5708e4845a6a7169689445dd07dedbf9529a12ee8cd51587a6

  3. Version 2

    Source update — the underlying public record changed

    Automated update from the source feed — no human edit

    The headline and the body text both changed. (compared against version 1)

    Headline at this version: Pierre's Library calendar lists "Teen Tuesday - NEX Playground" for August 25, 2026

    Removed (2 lines )

    • The city of Pierre lists [**Teen Tech Tuesday - NEX Playground**](https://www.cityofpierre.org/Calendar.aspx?EID=2338) for August 25, 2026 on its Library calendar, with the location given as Rawlins Municipal Library 1000 E. Church St. Pierre, SD 57501.
    • The city's feed says it published this entry on 2026-08-06 at 14:12, printed as published. That is when the listing went up, not when the event is. The feed labels that time -0600, which is the publishing platform's own default rather than a statement about this city, so it is recorded but not applied.

    Added (2 lines)

    • The city of Pierre lists [**Teen Tuesday - NEX Playground**](https://www.cityofpierre.org/Calendar.aspx?EID=2338) for August 25, 2026 on its Library calendar, with the location given as Rawlins Municipal Library 1000 E. Church St. Pierre, SD 57501.
    • The city's feed says it published this entry on 2026-08-14 at 16:09, printed as published. That is when the listing went up, not when the event is. The feed labels that time -0600, which is the publishing platform's own default rather than a statement about this city, so it is recorded but not applied.

    Content hash: b13e727cd00648966397638971c84598b3ad3a1e799d6f8ee326ae6c038a78b5

  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: 9d784c418222635e331cfcc067c64a524f7b78d1a5081b1385462f237cb6c18b

3 corrections have been issued.

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