Fc2 3292343 [work] -
It could be an internal paper ID in a specific institution's library system (e.g., FC2 = department/category, 3292343 = accession number). If so, only members of that institution could retrieve it.
The signal "fc2 3292343" was particularly intriguing. It had been active for only a few hours, flickering on and off like a beacon in the digital expanse. Jack knew he had to respond. fc2 3292343