<- Production AI Graph
pai source
UK Post Office Horizon — AI as Infallible Evidence — PAI incident record
Source evidence cited by graph records. This page shows where the source is used, its trust tier, and when it was last checked in the seed.
Trust tier
pai assessment
Linked records
2
Edges
2
Checked
1 July 2026
Records using this source
- Fujitsu / Post Office Ltd
entity | 1 Jan 1999 | 72%
Fujitsu / Post Office Ltd — organisation named in the Production AI Institute incident registry.
- UK Post Office Horizon — AI as Infallible Evidence
event | 1 Jan 1999 | 80%
The UK Post Office prosecuted over 700 subpostmasters for theft and fraud based on accounting discrepancies produced by the Horizon IT system — a system known internally to have software bugs. Subpostmasters were imprisoned and bankrupted. The Post Office suppressed evidence of Horizon's defects fo…