The receipt is printed and I cannot read a word of it.
A strip of thermal paper, held between a thumb and a forefinger at the window ledge, curling slightly away from the hand. The top edge is serrated where it was torn off the roll. The thumbnail is dark at the quick with the dirt you get from an hour of handling glass. Behind it, out of focus and out of light, crates of bottles. The tube along the sill throws everything it has onto the paper, which is the brightest object in the picture by a long way.
My first note on this said blank. I wrote it down and I sat with it for a day and I was wrong.
Take it under the tube and turn it about fifteen degrees and the whole strip comes up ghosted. Line after line of characters, top to bottom, with a column of figures running down the right hand side, aligned the way a total is aligned. It is a full account. Every mark on it has faded to within a hair’s breadth of the value of the paper underneath, so that from any ordinary angle you are holding a white rectangle, and from one particular angle you are holding a document.
Thermal paper has no ink in it. There is no ribbon and no cartridge. The printer is a row of small heating elements, and the image is a chemical reaction in a coating on the surface, and the reaction is reversible. Warmth undoes it. Daylight undoes it. A coat pocket in a parked car in July will undo the lot in an afternoon. Months, generally. Rarely a year.
So here is the arrangement I found in a building whose business is bringing things back.
The glass in that room is old. Some of those bottles have been washed and filled and emptied and returned for twenty years and they are still perfectly legible as themselves, seams, base marks, everything. The account of what one morning’s carrying was worth to a person will be a plain white strip before the winter is out. The material outlasts the record of its own value by decades.
Nobody arranged this against anybody. That is the part I want to be exact about, because a fading receipt sounds like a trick and it is not one. Thermal paper is cheap, it does not jam, it needs no consumables, and a machine that uses it can be left alone for months at a time without anyone’s attention. Every one of those is a real gain, and each of them was some engineer’s small honest improvement, and taken together they have produced a payment system that is scrupulously fair and keeps no memory of ever having paid.
I painted every faded line at the value I found it. It took longer than painting words would have taken, and it looks, at a glance, like nothing.
Which is the correct impression. He was handed the truth about his morning on a surface that has already begun letting go of it.