Active Device Fleet (Physical Refrigerator · Live Telemetry):
Last update:
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Temperature
+3.8 °C
Humidity RH
86.4 %
CO₂ (SCD41)
845 ppm
NH₃
Ammonia (NH₃)
0.65 ppm
H₂S
Hydrogen sulfide (H₂S)
0.00 ppm
Battery / Wi-Fi
88% · -62 dBm
🧬
Layer L3.6 · Product Type Identifier (PTI Multi-Model Stack)
Active InferenceTriple cross-verification of biochemical and physical signatures: 1. BME680 Desorption + 2. MOX Clusters + 3. Mahalanobis on NTH
🛒 Mixed Product Basket · Fresh State
Product
🛒 Mixed Basket · Fresh
Classifier Confidence
95%
Thermal Age (NTH)
24.7 h (Q₁₀=2.2)
Layers Consensus
3/3 Confirmed
1. BME680 Desorption (E-Nose)
10 steps (150–350°C)
T1 (150°C)
T5 (250°C)
T10 (350°C)
2. MOX Cluster Pairwise Ratios
Balance active
ln(G₄/G₁) Amines:
+0.12 (Norm)
ln(G₆/G₅) Sulfides:
-0.05 (Norm)
Biochemical contrast:
+0.17
3. Mahalanobis Kinetics on NTH
D_M = 1.08 (Pass)
s(Gas 1) Theil-Sen
-0.0084
s(CO₂) Theil-Sen
+1.15 ppm/h
Onset Lag ΔNTH
24.7 h
Distance D_M
1.08 (Inlier)
📊
MOX Complex · 10-Channel Spectrum (Multi-Cluster Matrix)
Dynamics of 10 MOX channels over recent 24h with mathematical space selection
G1, G4:
Amines (dashed)
G5, G6:
Sulfides (solid)
G9, G10:
Proteolysis / VOC (dotted)
G2, G3, G7, G8:
Reference / Baseline (dash-dot)
Amines (G1, G4)
✓ Norm
20.7 kΩ / 485.3 kΩ
Sulfides (G5, G6)
✓ Norm
7.8 kΩ / 4.6 kΩ
Proteolysis (G9, G10)
✓ Norm
69.7 kΩ / 221.9 kΩ
Reference (G2, G3, G7, G8)
✓ No Drift
4.6k · 3.4k · 8.8k · 23.9k
📈
1. Product Degradation Index (PDI)
Optimal Freshness
8.0%
+0.05%/h rate
CO₂ Delta+45 ppm
NH₃ Delta-0.28 ppm
H₂S Delta0.00 ppm
MOX Depression1.04×
⏱️
2. HSMM Markov Phase Tracker
Phase S1: Baseline Freshness
Early onset: ~65 h
Lead time to state change: +120+ h
🧪
3. NMF Chemical Signature Unmixing
Fresh protein matrix dominant
96%
4%
Fresh protein matrix: 96%
Degradation products (H₂S, NH₃, amines): 4%
📐
4. Theil-Sen Robust Trend (48h)
Non-parametric Kendall-τ
CO₂ Rate
+1.15 ppm/h
NH₃ Rate
-0.001 ppm/h
H₂S Rate
0.000 ppm/h
MOX Depression
1.04× stable
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Engineering JSON Terminal (Live Diagnostic Payload)
Direct access to raw telemetry and bioanalytics JSON for research reports and Jupyter Notebooks
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