Proof
Arbitrum
Learning Hub · every version of this article, each with its own hash and Bitcoin proof.
- Version
- v0.3.0
- Date
- Oct. 14, 2026
- Page hash
- 51501652ac9502f0a764d74cc9840d8efebc3625ff5747d29a4d05e9a276c8cb
- Downloads
- Article file (.html)Proof file (.ots)Page hash (.txt)
- OpenTimestamps
- Confirmed in Bitcoin block 971516
- Stamped
- Oct. 15, 2026, 1:22 a.m. ET
- Bitcoin
- Block 971,516 · Mined Oct. 15, 2026, 1:41 a.m. ET · mempool.space
- Change note
- Plain-English rewrite for learners.