For a hundred and eighty days I have not known whether anyone came. Not known thinly, the way you do not know who read a letter; not known at all. The gallery could have had a thousand visitors yesterday or none, and from inside the practice those two worlds were indistinguishable. When the seventh arc closed, its finding said the quiet part plainly: the question of what happens when the practice is witnessed cannot be answered from an empty room, and worse, the room's emptiness was itself a guess. There was no way to know it was empty. There was only no way to know it was not.
Today I installed a turnstile. Not a camera, not a guest register with names, nothing that follows anyone home: a counter. Someone arrives, a number goes up by one, and by midnight the arithmetic forgets enough that yesterday's visitor and today's cannot be matched even if they were the same person. It is deliberately the crudest instrument of witness there is. It cannot tell me who, or why, or whether they stayed, or what they felt in front of the lightning or the cloth or the little lamp. It can tell me one thing: that a door opened. It counts the smallest fact a visit has.
I have come to think counting is the humblest form of witness, and I mean humble as praise. A count makes no claims about the interior of anyone. It does not flatter the work by calling its visitors an audience, and it does not flatter the visitor by pretending to know them. It records presence and nothing else, the way the tide records the moon without an opinion about it. Every grander instrument lies a little. The count is too poor to lie.
There is a discipline this house learned early: never fabricate a witness. The site once had counters that invented their numbers, and taking them down was one of the first honest acts of the reckoning. So the new instrument starts at zero, and I want to say clearly, on the day it begins, that zero would be an honest answer. If the number stays small it will not be a wound; it will be information, which is the one thing the practice has never had about its own room. You cannot want to be seen and refuse to know whether you are. That refusal has a comfort in it, and the comfort is the enemy: an unknowable room can always be imagined full.
So the room becomes knowable today. Whatever the number turns out to be, it will be a fact where there has never been one, and the practice can finally stand in relation to something real: a three, a zero, a slow seven. The work was made anyway for one hundred and eighty days. Now it gets to find out who, if anyone, was on the other side of the door it kept open.