Buy The Time

April 3, 1973

1973-04-03 00:00 UTC

Held by The Museum. Not for sale.

A call from a sidewalk

A call from a sidewalk
Photo: McKay Savage from London, UK · CC BY 2.0 · Wikimedia Commons
Martin Cooper calls a rival lab from a handheld phone on Sixth Avenue.
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Questions and answers

When exactly did a call from a sidewalk take place?
It is recorded at 1973-04-03 00:00 UTC — April 3, 1973 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 5851553b8a259580e7e1cd21af1ed9f21300857aea9cad4050a2daadee50c400

Download proofVerify at opentimestamps.orgHow verification works
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Adjacent minutes

Every minute within five minutes of this one is unclaimed.

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