We're going to wrap up our live blog coverage for the day. Here's a summary of where things stand:

• The contractors were not contrite. They acknowledged that "issues arising in the federal exchange made enrollment difficult for too many Americans," in the words of the top contractor. Questions about the source of those issues, however, were inevitably referred to the government. "You'd have to ask CMS," said Cheryl Campbell of CGI Federal.

• The lawmakers expressed frustration that the contractors did not admit fault. "You're essentially saying that everything was all right. It's not all right!" said Rep. Anna Eshoo, Democrat of California. Said Rep. David McKinley of West Virginia: "I have not heard the word I'm sorry. I know men have a hard time saying that."

• Contractors suggested that a lack of overall site testing was to blame for the bad rollout – again, the government's fault. The contractors said their individual parts of the site tested well, but when end-to-end tests began, just two weeks before rollout, site-wide problems became apparent. "Months would have been nice," one said.

• The site will work, they testified: The contractors said that bringing healthcare.gov to full functionality would not take six months or a year but a matter of weeks or months. Campbell said consumers would be able to hit the 15 December deadline for buying insurance that would kick in by January 2014, which is the first month the government starts keeping track for potential future penalty purposes of who has insurance and who does not.

• Republicans pushed for an explanation for a late-stage decision to disable anonymous shopping on the federal health exchanges. Two weeks before rollout, the government decided that consumers would have to register on the site before they could see what products they might buy, the contractors testified. One Republican said that decision was taken to "hide the true cost of Obamacare."

• The sharpest exchange at the hearing came after a Republican asserted that the web site violated patient privacy laws. Democratic congressman Frank Pallone of New Jersey said that was bushwa and accused the GOP of scare tactics. "No I will not yield to this monkey court or whatever it is," said Pallone. "I will not yield!"

• The contractors could not shed any light on the "tech surge" that is supposed to fix the site. They said they did not have the names of any of the "best and the brightest" outside advisers the president said would lead the charge, and the contractors did not know what companies the ringers worked for.