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wifi-densepose/docs/research/sota-2026-05-22/ticks/tick-37.md

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Tick 37 — 2026-05-22 11:15 UTC

Thread: R20 (quantum sensing integration) — 8th exotic vertical Verdict: Recovers what R13 NEGATIVE physically excluded. Demonstrates the loop's architecture is sensor-agnostic — same primitives work with classical CSI today and quantum sensors in 5-20y.

What shipped

  • docs/research/sota-2026-05-22/R20-quantum-sensing-integration.md — full vertical sketch with quantum-vs-classical comparison table + nvsim integration sketch.

Why this tick

User opened docs/research/quantum-sensing/11-quantum-level-sensors.md — explicit signal toward quantum-sensing integration. The repo already has nvsim (NV-diamond magnetometer simulator, ADR-089) as a standalone leaf crate.

Four quantum modalities catalogued

Sensor Sensitivity Edge deployment
NV-diamond magnetometer 1 pT/√Hz 5-10y
Atomic clock (Cs/Rb chip-scale) 10⁻¹⁵ stability 5-10y
SQUID magnetometer 1 fT/√Hz 15-20y (cryo)
Quantum-illuminated radar +6 dB SNR 15-20y

Classical vs quantum loop primitive comparison

Capability Classical Quantum (5-15y) Improvement
Breathing rate ±1 BPM ±0.1 BPM 10×
HR rate ±5 BPM ±0.5 BPM 10×
HRV contour NOT possible (R13) NV-magnetometer enables what was impossible
BP estimation NOT possible (R13) atomic-ToA PWV enables what was impossible
Position precision 25 cm 3 mm 80×
Multi-scatterer penalty 4.7 dB (R6.1) ~1 dB 3.7 dB recovery
Through-rubble 2 m (R18) 5 m+ 2.5×

What R13 NEGATIVE no longer rules out (with quantum)

R13 ruled out HRV contour + BP from CSI due to 5 dB SNR shortfall. NV-diamond cardiac magnetometry resolves this — magnetic fields from heart contractions (~50 pT) are detectable, contour-preserving, and penetrate through clothing/rubble. R20 explicitly identifies which R13 conclusions are physics-bound vs sensor-bound.

Five-cog speculative roadmap

Cog Timeline Primitive
cog-quantum-vitals 5y nvsim + R14 + R15
cog-mm-position 10y atomic clock + R1 + R3.2
cog-deep-rubble-survivor 15y nvsim + R18 + drone
cog-quantum-illuminated-pose 15y quantum illum + R6.1 + ADR-079
cog-ICU-meg 20y SQUID + R14 V3

Three deployment scenarios

Scenario Timeline Cost note
Hybrid quantum-classical ICU bed 5y $50/bed (4× ESP32 + NV-diamond ~$200) vs $3,000 monitor
Atomic-clock mm-precision multistatic 10y high-security access control without biometric capture
NV-drone disaster magnetometry 15y 2.5× rubble depth over R18's classical estimate

Integration with existing nvsim (ADR-089)

nvsim is the repo's NV-diamond simulator (standalone leaf, WASM-ready per CLAUDE.md). R20 sketches three integration points:

nvsim output Loop primitive
Magnetic-field time series R14 V1 vitals fusion (replaces HRV-contour stub)
Field map R12 PABS structural-anomaly extension
Stability indicator R7 mincut additional consistency channel

Future cog: cog-quantum-fusion or cog-quantum-vitals.

The cleanest "loop is sensor-agnostic" demonstration

R20 says: even when classical CSI hits its physics floors (R13 5-dB shortfall, R1 bandwidth-bound CRLB, R6.1 multi-scatterer penalty), the architecture stays the same; only the sensor swaps in. R6 forward model, R12 PABS, R7 mincut, R3 cross-room re-ID, R14 V1/V2/V3 framework — all apply to quantum sensors with parameter swaps.

This is the loop's architectural value proposition stated in its most explicit form.

Honest scope (very important)

  • Most quantum tech is 10-20y from edge deployment ($200 / 1 cm³ NV-diamond requires 5-10y MEMS work)
  • Atomic clocks at 10⁻¹⁵ in 1 cm³ require breakthrough integration
  • SQUID at room temp needs room-temp superconductors (may not happen)
  • Quantum-illuminated radar at edge needs room-temp single-photon detectors
  • All "improvement" numbers are theoretical bounds; real-world 30-70%
  • nvsim is a SIMULATOR, not real hardware
  • Loop has NO real quantum sensor on bench

R20 special status

  • 8th exotic vertical
  • First requiring quantum hardware for full realisation
  • Most explicitly 10-20y horizon matching cron prompt criteria
  • Recovers R13 NEGATIVE via different sensing modality (sensor-bound, not physics-bound after all)

Composes with every loop thread

R1 / R3 / R6 / R6.1 / R12 / R12.1 / R13 NEGATIVE (recovered) / R14 V1/V2/V3 / R15 / R16-R19 verticals / ADR-089 nvsim / ADR-113 placement.

Coordination

ticks/tick-37.md. No PROGRESS.md edit. Branch research/sota-r20-quantum-sensing.

Loop status (~37 ticks, ~45 minutes to cron stop)

  • 18 research threads (R1, R3, R5-R15, R16, R17, R18, R19, R20)
  • 8 exotic verticals (R10, R11, R14, R16, R17, R18, R19, R20)
  • 6 loop ADRs (105-109, 113) + 3 existing
  • 3 negative result categories (R12 revisited POSITIVE, R13 floor, R3.1 architecture)
  • R13 negative result conditionally recoverable via R20 quantum
  • Production roadmap shipped
  • 2 self-corrections, 3 honest-scope findings

00-summary.md to follow at 12:00 UTC stop.