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Events / First published

Riverfest 2026 listed for Sept. 19, 2026 in Sioux Falls, SD 57103

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

Article identifier: event-dtsf-44416

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 3

    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 2)

    Headline at this version: Riverfest 2026 listed for Sept. 19, 2026 in Sioux Falls, SD 57103

    Removed (2 lines )

    • **Downtown Riverfest 2026** is listed for Sept. 19, 2026 at Cherapa Place Plaza in Sioux Falls, SD 57103, SD, according to [the event's listing](https://dtsf.com/event/downtown-sioux-falls-riverfest-2026/) on the Downtown Sioux Falls events calendar.
    • The calendar's own timestamp puts the organizer's last update to this listing on Aug. 12, 2026.

    Added (2 lines)

    • **Riverfest 2026** is listed for Sept. 19, 2026 at Cherapa Place Plaza in Sioux Falls, SD 57103, SD, according to [the event's listing](https://dtsf.com/event/downtown-sioux-falls-riverfest-2026/) on the Downtown Sioux Falls events calendar.
    • The calendar's own timestamp puts the organizer's last update to this listing on Sept. 4, 2026.

    Content hash: 167a97b95ec749d0c3ebfe7b1bd5d877452d6524055811464af0a7feb772a15f

  2. Version 2

    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 1)

    Removed (4 lines )

    • The listed start time is 3 p.m., running to 8 p.m. The listing does not state a time zone for that time; it is reproduced exactly as the organiser published it.
    • The calendar files it under Art & Culture, DTSF Signature Event, Festivals, Food & Drink, Free Fun, Live Music and Outdoors.
    • 605Buzz has not independently confirmed that this event will take place. Event details — date, time, venue and price — are set by the organiser and can change or be cancelled without notice; check [the organiser's listing](https://dtsf.com/event/downtown-sioux-falls-riverfest-2026/) before making plans.
    • The calendar's own timestamp puts the organiser's last update to this listing on Aug. 4, 2026.

    Added (4 lines)

    • The listed start time is 3 p.m., running to 8 p.m. The listing does not state a time zone for that time; it is reproduced exactly as the organizer published it.
    • The calendar files it under DTSF Signature Event, Festivals, Food & Drink, Free Fun, Live Music and Outdoors.
    • 605Buzz has not independently confirmed that this event will take place. Event details — date, time, venue and price — are set by the organizer and can change or be cancelled without notice; check [the organizer's listing](https://dtsf.com/event/downtown-sioux-falls-riverfest-2026/) before making plans.
    • The calendar's own timestamp puts the organizer's last update to this listing on Aug. 12, 2026.

    Content hash: 283f2d58a653629a19b686ddf8de05b46de04934a74b14db5bbb1dff3a75f828

  3. 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: bea13b159cf05541390e50b72a6c91da3389ca70ad57cea1535841b5c8e04c6f

2 corrections have been issued.

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