September 12, 1958

1958-09-12 00:00 UTC

Held by The Museum. Not for sale.

The integrated circuit works

The integrated circuit works
Photo: cole8888, https://flickr.com/photos/187597251@N05/ (aka Cole · CC BY-SA 2.0 · Wikimedia Commons
Jack Kilby demonstrates a working circuit built on a single piece of semiconductor.
Source ↗

Questions and answers

When exactly did the integrated circuit works take place?
It is recorded at 1958-09-12 00:00 UTC — September 12, 1958 in Coordinated Universal Time. Every minute in this registry is stored in UTC so it reads the same anywhere in the world.
Can this minute be bought?
No. Museum minutes are curated historical entries held permanently by the registry and are never for sale. The minutes around them can be claimed.
What does owning a minute mean?
Buy The Time is a novelty registry. Nobody buys real time or property — an owner buys a permanent, public entry against one UTC minute in this database, visible to everyone.
Independent proof

Recorded on the Bitcoin blockchain

Confirmed on October 1, 2026 in block 969,500. Anyone can verify this record exists, without us.

SHA-256 517c7d7636a3967a951f03cf9ded61f3cfc4e4504df209a5107b9115d634d8be

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Adjacent minutes

Every minute within five minutes of this one is unclaimed.