Is the UK really bankrupt?

The IEA fear it might be; based upon pension obligations.

"A Bankruptcy Foretold: The UK’s Implicit Pension Debt
Nick Silver
This paper argues that government debt levels should be calculated in line with
generally accepted accounting practice. As earned pensions obligations are included
under generally accepted accounting practice, any earned pensions obligations of the
government should be counted as debt. The UK government’s debt will therefore be
much higher than the official figure which has profound implications for fiscal policy."