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Events / First published

Blue Violin’s Retro Rock & Roll Christmas listed for Dec. 4, 2026 in Sioux Falls

Published automatically from public-record data. Whether a person reviewed any later version is recorded against that version below. This heading is the article's current headline.

Article identifier: event-washington-pavilion-10808

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 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 (2 lines )

    • The calendar's own timestamp puts the organizer's last update to this listing on Sept. 3, 2026.
    • This article was assembled from the [Washington Pavilion events calendar](https://www.washingtonpavilion.org/events/). See the [corrections ledger](/corrections) if a field is wrong.

    Added (2 lines)

    • The calendar's own timestamp puts the organizer's last update to this listing on Sept. 14, 2026.
    • This article was assembled from the [Washington Pavilion events calendar](https://www.washingtonpavilion.org/events/).

    Content hash: f74cc61d6de85c00be3fa89c7faf3f457e695e811c7c94b18ed33850395c1c1e

  2. 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: ab9cb238e3a84001e6a7dae87a9431a3fe93281c746e9f9828cde39c1e372cd0

1 correction has been issued.

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