{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002943},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002908","480:4800003025","480:4800002850","480:4800002660","480:4800002663","480:4800003339","480:4800002898","480:4800002953","480:4800003296","480:4800002805","480:4800002851","480:4800002657","480:4800003289","480:4800003400","480:4800003393","480:4800002600","480:4800003348","480:4800002751","480:4800003116","480:4800003115","480:4800003502","480:4800005595","480:4800003702","480:4800002567","480:4800003283"],"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":[0.6202416525382494,0.5858398135009382,0.4726379689550558,0.4074933319188971,0.33438919725569805,0.29399566037211516,0.28528034972082805,0.2795379992814422,0.277396615239945,0.2741331921723341,0.2556744086680605,0.24708963051873215,0.24110044782834525,0.23699048335275869,0.23560686928745936,0.23405075540072734,0.22455857224416195,0.2177205387302691,0.20521978763293783,0.16526068021424478,0.16285315253344435,0.15738550242395996,0.14840614569874513,0.1464085054578982,0.14610583569777397],"twin_dists":[0.12693809273561207,0.1343066582325741,0.1590021875605107,0.17402509716368522,0.1922361521663156,0.20321853024915054,0.20570109071171175,0.20736177619070986,0.20798635595990436,0.20894388894055985,0.21449749527538095,0.21716661970362983,0.21906416335950482,0.22038405487371365,0.22083174915615209,0.22133731871421,0.22447021153784222,0.22678205112496075,0.2311381865510548,0.24643533705522355,0.24743775046090913,0.24975488985084152,0.2536912888457555,0.25459074042908236,0.25472780973506126],"n_dims_used":43,"mean_confidence":0.9130406934161519},"coverage":{"mean_confidence":0.9130406934161519,"n_dims_used":43,"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}}