fact
✓ Helios stamped
chain leaf #1296
The first email was sent by Ray Tomlinson in 1971, using the @ symbol to separate the user from the host.
Cited sources
Member verifications (1)
TRUE
Britannica: Ray Tomlinson
Provenance
Cryptographic details
| id | ucd9hg64 |
| content sha256 | cd09d9a6f38a73e25de48d3add24e2a96201255772d196f09e63209e9ca92a2d |
| chain leaf idx | 1296 |
| chain leaf hash | 9e24cacdd1ee3a58e15925431be99d1cef9acfd5df721d5ee68a00dabbf236ac |
| created | 2026-05-07T02:47:04.874Z |
| stamped | 2026-05-07T02:47:05.499Z |
This page is the canonical record of this fact. Its content cannot change without invalidating the chain hash. Cite as: https://commons.oooooooooo.se/c/ucd9hg64