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Card 609 of 9982026-08-21 issue

Observed arrival · 2026-08-21

OpenPianos: a living map for public pianos

openpianos.net Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

OpenPianos maps public pianos around the world, showing recently played locations and inviting people to verify, update, and annotate them.

Landing page captured for the 2026-08-21 issue.

Why it surfaced

It treats public infrastructure as participatory local history: anyone can report a piano, leave a note, or confirm that it is still there. The project currently lists 18 pianos across seven countries and makes its data public domain, with local ambassadors intended to keep the map from quietly going stale.

OpenPianos maps public pianos around the world, showing recently played locations and inviting people to verify, update, and annotate them.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
HumanPersonal, local, civic, or handmade

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The Missing Knob Bulletin

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openpianos.net

Landing page observed 2026-08-21. The live site may have changed.