What | Is Minecraft Alpha 000 Verified

Did Notch release an "Alpha 000" privately? Before June 28, 2010, Notch was developing the game internally. He occasionally posted screenshots on his blog (The Word of Notch) of unreleased builds. These builds are often referred to as "Unreleased Alpha Dev Builds."

Based on the actual earliest versions:

For researchers or players attempting to verify if a file labeled "Alpha 000" is real, the following checksum analysis applies: what is minecraft alpha 000 verified