no it wasn't, and no it didn't. That is an aspirational amount that some people might get. We don't have a flat-rate pension and not many people get the £144 a week that propaganda such as yours made them think they would get. It was a government ploy to stop people moaning. By the time they find out the truth it's too late.
Anyone who retired prior to changeover still gets paid at the old rate, and will continue to do so until death. So do many who retired after; and many on the new scheme don't get the notional "flat rate" because it varies.
I'd have thought someone like Notch would have heard about all that at his day-centre.
How much do you get, notch?