{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002183},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002457","480:4800002234","480:4800002186","480:4800002412","480:4800002184","480:4800001860","480:4800002233","480:4800002138","480:4800002134","480:4800001934","480:4800002462","480:4800002318","480:4800002331","480:4800001868","480:4800001752","480:4800002193","480:4800002459","480:4800002094","480:4800002284","480:4800001977","480:4800002239","480:4800001469","480:4800002178","480:4800002031","480:4800002519"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9046693067969627,0.8255526048287155,0.797764234706819,0.7637525153774137,0.692870299404899,0.6421371590338324,0.6292655965386306,0.6258167509201478,0.5860686794558593,0.5351523183526812,0.5322469075347448,0.5224883648033948,0.5130636180919889,0.46221362048709885,0.44980101787138854,0.44686342383146976,0.3816770751300258,0.34670134296405963,0.335702390854412,0.3341068310756838,0.33046236637340454,0.3294770426783832,0.3225900809302394,0.32186660166672515,0.3101529838311642],"twin_dists":[0.058135571816235715,0.08041785734916312,0.08730467341890158,0.09535148792506157,0.11125513662309724,0.12224126670657852,0.1250040232487762,0.1257434136484072,0.13425759603767604,0.14522777081680047,0.14585868084399603,0.1479831379699882,0.150043588752277,0.16135075597460363,0.16417182958015386,0.1648436523726477,0.18025721542093517,0.18903690511676355,0.19189193956794418,0.19231026147996907,0.1932698630245231,0.1935302961514776,0.19536273310317476,0.19555648822754673,0.19872830363975783],"n_dims_used":42,"mean_confidence":0.9113476162865048},"coverage":{"mean_confidence":0.9113476162865048,"n_dims_used":42,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}