She shoved the roots aside with both arms, exposing a square metal panel sealed long ago with hardened resin. “Kellen said archive route tags might be hidden in old service boxes. If he lied, I want to know before we step into his funnel.”

Elias set down the satchel and worked beside her. The panel was chest high, the latch fused with grime. He wedged the narrow maintenance key strip under the lip and levered. Pain snapped through his wrapped palm and up his forearm. The strip slipped. Mara caught it before it clanged.

“Use the edge, not the center,” she said.

Elias gritted his teeth on the tool and said, “I know how leverage works.”

Mara folded her arms and said, “Then try it like you do.”

He bit back the answer and shifted his angle. This time the seal cracked with a dry pop. Mara tore the panel free and a stale draft breathed out, dry enough to stand apart from the damp air around them.

Inside were not tools. Not route maps either.

Flat packets, oilskin wraps, and stacked data slates sat in tight rows behind the dust. Most had printed tabs, old but readable under a wash of algae light. Elias leaned in and wiped one with the back of his wrist.

POPULATION STABILITY: RECOVERY ERA PHASE III.

Another: INTAKE SORTING / COGNITIVE LOAD MANAGEMENT.

Another: HERITABLE COMPLIANCE OUTCOMES.

His mouth went dry. The plan he had made in another life—to run the hidden machine alone tomorrow—flashed through him and died there; tomorrow had been lost in the jump, replaced by this buried architecture of the same crime.

Mara said, very quiet, “Read.”