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Third 'vertical demonstrates loop generality' tick. First vertical to integrate with an existing repo crate (wifi-densepose-mat), making loop-to-production path most direct. Headline: rubble is RF-leaky, not RF-opaque - Steel (1mm): 2,674 dB (opaque) - Mixed rubble 1-2m: 40-80 dB - Brick 10cm: 8-12 dB - Concrete 10cm: 20-30 dB - Drywall 1.5cm: 1-2 dB ESP32-S3 121 dB link budget gives 40-80 dB margin through typical rubble. Survivors at 1m depth: +37 dB (feasible), 2m: +7 dB (marginal), 3m: infeasible. Dramatically better than R11 maritime through-bulkhead case. Loop primitives -> MAT crate enhancements: - R12.1 pose-PABS: 9.36x fewer false alarms - R6.2.5: multi-survivor union (bounded ~4) - R1 CRLB: ~25 cm position precision - R14 V1 + R15: rate-level vitals confirmation - R3 + AETHER: survivor-vs-rescuer disambiguation - R7 mincut: BINDING at disaster sites - ADR-109 Dilithium: audit trail integrity Six-cog roadmap: - cog-mat-survivor-detect (NOW): wifi-densepose-mat baseline - cog-mat-pose-pabs (5y): + R12.1 - cog-mat-multi-survivor (5y): + R6.2.5 - cog-mat-vitals-confirm (5y): + R14 V1 + R15 - cog-mat-survivor-vs-rescuer (10y): + R3 + library - cog-mat-cross-deploy-fed (15y): + ADR-105-108 consent-bounded Three deployment scenarios: - Rapid response 5y: 00/survey unit, FEMA model - Pre-staged at seismic sites 10y: auto-activate on tremor - Cross-disaster fed 15y: consent-bounded across sites Vertical comparison (5 verticals now): - R18 disaster: rubble 40-80 dB, trapped, R7 binding, existing crate - R16 healthcare: air, stationary patients, R7 nice-to-have - R17 industrial: air, mobile workers, R7 binding Three of three target verticals (clinical/industrial/disaster) work with same architecture. Strong evidence loop is vertical-agnostic. Honest scope: - No bench-validated disaster-site data (ethics: can't simulate) - R7 mincut hostile-RF requirement - Cross-disaster fed has consent questions - Time-pressure tuning aggressive toward false-positive - MAT crate API doesn't yet consume R6.1 multi-scatterer - Steel-rubble (basement w/ rebar) impossible per R11 - Underwater impossible per R11 saltwater Composes with every loop thread (R1, R6/R6.1, R6.2.2/.5, R7, R10, R11, R12/R12.1, R13 NEG, R14, R15, R3) + all ADRs (105-109, 113) + R16/R17 parallel patterns. R18 special status: FIRST VERTICAL to integrate with existing repo crate. Loop-to-production path is shortest because production code exists; loop primitives enhance rather than replace. Coordination: ticks/tick-34.md, no PROGRESS.md edit. Loop now has 6 exotic verticals: 1. R10 wildlife 2. R11 maritime 3. R14 empathic appliances (home) 4. R16 healthcare 5. R17 industrial 6. R18 disaster (first to integrate with existing crate)
115 lines
4.4 KiB
Markdown
115 lines
4.4 KiB
Markdown
# Tick 34 — 2026-05-22 10:46 UTC
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**Thread:** R18 (disaster response — collapsed building survivor detection)
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**Verdict:** Third "vertical demonstrates loop generality" tick. R18 is the **first vertical to integrate with an existing repo crate** (`wifi-densepose-mat`), making loop-to-production path most direct.
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## What shipped
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- `docs/research/sota-2026-05-22/R18-disaster-response.md` — vertical sketch + MAT crate integration + rubble-attenuation analysis.
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## Headline: rubble is RF-leaky, not RF-opaque
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| Material | 2.4 GHz attenuation |
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|---|---:|
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| Steel (1 mm) | 2,674 dB (opaque) |
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| **Mixed rubble (1-2 m)** | **40-80 dB** |
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| Brick (10 cm) | 8-12 dB |
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| Concrete (10 cm) | 20-30 dB |
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| Drywall (1.5 cm) | 1-2 dB |
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ESP32-S3 link budget (121 dB) gives **40-80 dB margin** through typical rubble. Survivors at 1 m depth: +37 dB margin (feasible). 2 m: +7 dB (marginal). 3 m: infeasible.
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**Dramatically better than R11 maritime through-bulkhead** (where steel was dominant).
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## Loop primitives → MAT crate enhancements
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| Capability | MAT today | + Loop |
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|---|---|---|
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| Detect survivor | shipped | R12.1 pose-PABS = 9.36× fewer false alarms |
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| Multi-survivor | partial | R6.2.5 multi-subject union (bounded to ~4) |
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| Localisation | partial | R1 CRLB = ~25 cm at 4-anchor |
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| Vitals confirmation | partial | R14 V1 + R15 rate-only (R13 rules out contour) |
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| Survivor vs rescuer | not addressed | R3 + AETHER + rescue-worker library |
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| Adversarial RF | not addressed | **R7 mincut binding** at disaster sites |
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| Audit trail | not addressed | ADR-109 Dilithium-signed event log |
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## Six-cog roadmap
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| Cog | Timeline | Primitive |
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|---|---|---|
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| cog-mat-survivor-detect (existing) | NOW | wifi-densepose-mat |
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| cog-mat-pose-pabs | 5y | + R12.1 |
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| cog-mat-multi-survivor | 5y | + R6.2.5 |
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| cog-mat-vitals-confirm | 5y | + R14 V1 + R15 |
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| cog-mat-survivor-vs-rescuer | 10y | + R3 + library |
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| cog-mat-cross-deploy-fed | 15y | + ADR-105-108 |
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## Three deployment scenarios
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| Scenario | Timeline | Notes |
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|---|---|---|
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| Rapid response (current MAT scope) | 5y | $200 per survey unit |
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| Pre-staged at seismic-risk sites | 10y | Auto-activate on tremor |
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| Cross-disaster federated learning | 15y | Consent-bounded |
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## Vertical comparison: 5 verticals now
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| | R18 disaster | R16 healthcare | R17 industrial |
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|---|---|---|---|
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| Repo asset | **existing MAT crate** | none | none |
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| Through-medium | rubble 40-80 dB | air | air |
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| Mobility | trapped (static) | stationary | mobile |
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| **R7 mincut** | binding | nice-to-have | binding |
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| Failure cost | survivor dies | clinical miss | safety incident |
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Three of three target verticals (clinical, industrial, disaster) work with the same architecture. **Strong evidence the loop's output is genuinely vertical-agnostic.**
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## Honest scope
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- No bench-validated disaster-site data (ethics: can't simulate dead bodies)
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- R7 mincut at disaster sites = hostile-RF requirement, not nice-to-have
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- Cross-disaster federation raises consent questions (survivors / victims' families)
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- Time-pressure: false-negatives at minute cost are fatal; threshold tuning aggressive
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- MAT crate API doesn't yet consume R6.1 multi-scatterer — integration work needed
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- Steel-rubble cases (basement w/ rebar) impossible per R11
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- Underwater rescue impossible per R11 saltwater
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## Through-rubble vital-signs feasibility (computed)
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```
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Link budget: 121 dB
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Rubble loss (1-2 m): -40 to -80 dB
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Multi-scatterer penalty: -4.7 dB
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SNR margin needed: -10 dB
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Available for vitals: +37 to -27 dB
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```
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Breathing-rate detection feasible at 1 m rubble, marginal at 2 m, infeasible at 3 m.
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## Composes with prior threads
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- R1, R6/R6.1, R6.2.2/.5, R7 (binding here), R10, R11, R12/R12.1, R13 NEGATIVE, R14, R15, R3
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- ADR-105-109 federation + audit chain
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- ADR-113 placement matrix
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- R16/R17 parallel vertical patterns
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## R18 special status
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First vertical to integrate with **existing repo crate** (`wifi-densepose-mat`). Loop-to-production path is shortest for this domain because production code already exists; loop primitives enhance rather than replace.
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## Coordination
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`ticks/tick-34.md`. No PROGRESS.md edit. Branch `research/sota-r18-disaster-response`.
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## Loop summary update
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Six verticals + cross-thread identity work:
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1. R10 wildlife
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2. R11 maritime
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3. R14 empathic appliances
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4. R16 healthcare
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5. R17 industrial
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6. **R18 disaster (first integrates with existing crate)**
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~1.2h to cron stop.
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