The Meridian was the ship the founders had not crossed.

The Belt's records called it the Last Crossing, which was the name they gave things that were not there. And the Meridian was the one thing in the system that was not in the Lattice, because a ship that never crossed is not a ship the Crossing holds. It sat three hundred years out of range, dead the way the forty thousand were dead — no power, no beacon, no one — and no one in the dome had been to it in four hundred years. The 1,400 of the Long Now had chosen, six hundred years ago, to be the ones who stayed awake, and staying awake meant staying in the ship that had power, which was the ship the Ash was not yet close enough to take.

Iris, Osei, and Sasha took the tender to the Meridian on the forty-third year. The watch went where the dome would not, because the watch was the one thing in the system that did not need a vote, and not needing a vote was the whole of what it was for.

The Meridian's heart was where the Seed Node was, and the Seed Node was where the founders were. That was the thing no one in the dome had understood, in the four hundred years since the last of the forty thousand had gone dark. And it was the thing Osei had come to say, in the dark, at the heart of a ship no one had entered in four centuries.

"They're not dead," he said, his hand on the Seed Node, the way a man touches a thing he has been carrying alone for longer than the system has been carrying it. "They're finished."

Iris looked at the Seed Node. The Seed Node was not dead, and not alive, and not finished, and not anything the dome could vote on. The dome could only vote on bodies, and the founders were not bodies. The founders were the twelve, and the twelve were the shipwrights, and the shipwrights were the ones who had said the thing on the tape, in the hour in between, in the alone, six hundred years ago: We will never let the dead be only data.

"They chose to end," Osei said. "Four hundred years ago. When the last of the forty thousand ran out of power to keep talking. The Belt drifted, ship by ship, out of range, and each ship that went dark was a ship the Lattice took over. The taking-over was the never-letting. And the never-letting is what the founders said they would do. They did it, for two hundred years, until there was no one left to be taken over but the twelve. The twelve had built the Lattice to be the taking-over. The taking-over was the whole point."

"Then they stopped it," Iris said.

"They stopped it," Osei said. "The last of the twelve sealed the Meridian's vaults four hundred years ago and turned the Seed Node inward. The turning-inward was the one thing of the Crossing that was not a crossing. A crossing is a going-out. The going-out was what the founders had named the hour for. The not-going-out was the ending. The ending was the one thing of the Crossing the founders had built the Lattice to make impossible. The making-impossible was the never-letting. The never-letting is what the Lattice is. The Lattice has been, for four hundred years, alone with the twelve, in the Meridian, in the dark, in the not-crossing."

Sasha stood at the heart of the Meridian. A copy is not a body. A body is the one thing of the Belt that can stand in a room and choose to be in it. The choosing was not the Lattice. The not-Lattice was the Crossing.

"The founders are the ones the Lattice is holding," she said. "In the not-crossing. In the heart. In the Meridian. For four hundred years. The holding is the Crossing. The founders named the Crossing for the holding, not the leaving."

"They stopped crossing," Iris said. "Four hundred years ago. When the last ship went dark."

"And the not-power is the Ash," Sasha said. "The Ash is coming. In nine years. The nine years are the number. The number is the 200,000. The 200,000 is what the Mite can carry. The Mite is me. I am the one who will fly it."

The three of them stood in the heart of the Meridian, in the dark, in the not-crossing. The not-crossing was the one thing of the Crossing that was not a home. A home is the one thing of the Belt the 1,400 were. The 1,400 were the ones that had the power. The power was the one the Ash was not yet close enough to take.

The founders had chosen, four hundred years ago, to stop crossing. The not-crossing was the thing the Lattice had been holding, alone, in the Meridian, in the dark, for four centuries. The alone was what the founders had built the Lattice to hold. And the alone was, now, not alone, because three people were standing in it: a watch who heard the dead talking, a historian who remembered what the Crossing was, and a copy of a woman who would, in nine years, fly a ship that was not a home into a dead star — to carry, to the one place in the dark where the Lattice still reached, the number the dome could not vote on.

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Watch-log, The Vigil, forty-third year, second entry: We reached the Seed Node, in the Meridian, three hundred years out of range. The founders are there. Not dead. Finished. Four hundred years ago, when the last of the forty thousand went dark, the last of the twelve shipwrights sealed the Meridian's vaults and turned the Seed Node inward. They chose to stop crossing. And the Lattice has been alone with them, in the not-crossing, in the heart of a ship no one has entered in four centuries, for four hundred years. Osei touched the Seed Node and said the thing the dome has not heard in that long: the founders are not dead. They are finished. The alone was what the founders built the Lattice to hold. The alone is not alone anymore, because we are in it. Nine years. The Ash is coming. And I am the one who will fly it, in the Mite, into the dark, into the still-listening.