Modulo 10: Povarovo

The absolute mathematical security of state cryptography is ultimately reliant on the chaotic, physical entropy of the Earth's atmosphere to generate truly random keys and propagate its signals.

An EDM gantry carves broadcast-derived integers into bunker concrete. · motion: eroding the brutalist foundation through calculated sparks

wall text

Set inside the abandoned Povarovo transmitter station, this installation connects atmospheric entropy directly to brute cryptographic decryption. A receiver intercepts the 4625 kHz carrier of the UVB-76 numbers station, isolating its numeric transmissions. Simultaneously, local weather sensors track micro-fluctuations in wind and ionospheric turbulence, transposing these chaotic physical states into random integers. A mechanical relay computer performs non-carrying modulo-10 addition between the broadcast stream and local entropy data. The resulting digits drive a multi-electrode electrical discharge machining (EDM) gantry, using controlled high-voltage sparks to erode the bunker's concrete foundation. The work grounds theoretical information security in raw geological and atmospheric erosion.

shown: Installed permanently inside the abandoned UVB-76 transmitter building at Povarovo, operating autonomously until the concrete foundation is completely severed by the EDM array.

anchor facts used

The UVB-76 numbers station broadcast at 4625 kHz from the Povarovo site (56°04'58"N 37°05'22"E) until its sudden relocation in 2010.
Numbers stations encode messages using One-Time Pads, which rely on modulo-10 non-carrying addition to combine the plaintext with a random key.
Global shortwave transmission relies on skywave propagation, bouncing signals off the ionosphere's F-layer.

mechanism

Amplitude Modulation (AM) Demodulation — A 4625 kHz receiver permanently installed at the abandoned Povarovo site captures the live UVB-76 broadcast from its new location, stripping the carrier wave to isolate the voice-spoken numbers.
1. Signal Interception
True Random Number Generation (TRNG) via Atmospheric Noise — Local meteorological sensors measure micro-fluctuations in wind speed and ionospheric static above the Povarovo site, translating physical atmospheric chaos into a continuous stream of random integers.
2. Entropy Harvesting
Modulo 10 Non-Carrying Arithmetic — A custom mechanical relay computer physically adds the incoming broadcast numbers to the local atmospheric random integers, dropping the tens digit to produce a localized decryption attempt.
3. Cryptographic Combination
Electrical Discharge Machining (EDM) — The resulting modulo-10 integers regulate the voltage sent to a heavy wire array that slowly burns a topographical map into the concrete foundation of the abandoned bunker, physically eroding the architecture through continuous cryptanalysis.
4. Material Subtraction

lineage

The Conet Project (Akin Fernandez, 1997) — While Fernandez archived the audio of numbers stations as historical artifacts, this work treats the live signal as an active geological force.
Arecibo Message (Frank Drake, 1974) — Inverts Drake's assumption of interstellar signal clarity by emphasizing how atmospheric noise is the essential ingredient for terrestrial signal obfuscation.
Partially Buried Woodshed (Robert Smithson, 1970) — Updates Smithson's entropic land art by using invisible electromagnetic infrastructure and cryptography, rather than dirt, to induce physical architectural decay.

curatorial qa (machine verdict, unedited)

SCORE 3/5 after 1 attempt(s)
READS: The heavy CNC gantry executing electrical discharge into the bunker floor visually conveys physical computation in an abandoned signal installation.
FAILS: The direct conversion of atmospheric turbulence into modulo-10 arithmetic driving the EDM pulses remains entirely conceptual without explicit interface cues.

spec: antigravity agent · keyframe/artifact: gemini-3.1-flash-image · video: veo-3.1 image-to-video · qa+wall text: gemini-3.7-flash watching the render · 51.4s total