The project, which was produced by Watford-based print and design agency Creative Place, comprised 81,663 photographs measuring more than a kilometre in length.
Organised by Hackney-based artist Clare Newton, a portion of the record-breaking photo is now on display at the famous market after initially being displayed at London's Excel centre.
She said: "I firmly believe that art, if properly harnessed, can be used to help enhance education, inclusiveness and in this case, the pure enjoyment of participating in the creation of the world’s longest photograph.
"For Jump4London, I organised 87 participating events, with schools, universities, paralympian teams, celebrities and special needs children."
Creative Place printed the banner in 10m sections on its Agfa Anapurna M2050 machine on banner material from Amari Digital Supplies.
In a statement from Guinness, it said: "The largest composite photograph exhibition consisted of 81,663 photographs and was achieved by Clare Newton (UK) in a project named Jump4London as part of London & Partners' World Record London. It was unveiled in the Excel Centre in London, on 1 June 2012."
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World's longest composite photo takes centre stage at Spitalfields
Jump4London, the world's longest composite photograph, which was Guinness-certified earlier this year, is now on display at London's Spitalfields market.