{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001061},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001155","487:4870000263","487:4870000146","487:4870001259","487:4870000391","487:4870001160","487:4870001447","487:4870000637","487:4870000086","487:4870000715","487:4870001529","487:4870000317","487:4870000318","487:4870000064","487:4870001249","487:4870001065","487:4870000634","487:4870000386","487:4870000113","487:4870000087","487:4870000377","487:4870000797","487:4870000569","487:4870000882","487:4870001258"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.5594899229337623,0.49316837674989705,0.4725027566162667,0.46495184365333736,0.392032750692536,0.3628388710414764,0.3628238859680803,0.34316637214700885,0.29566871231710523,0.290814614593951,0.27895863276526456,0.2739939148774848,0.2702176229356642,0.26957007045308734,0.25399007393022804,0.24606485975916617,0.24097116760560414,0.22876514375364085,0.2261107953022402,0.2181271179923976,0.21678635299389182,0.21198314232451398,0.20827065799413488,0.2060887451182844,0.20108089942684745],"twin_dists":[0.1399670747054984,0.15442558545699014,0.15903253716202587,0.16073209469003633,0.17773454267892158,0.18493291769509868,0.18493668458635718,0.18994914335756566,0.20274698405662622,0.20411950356511302,0.20753047241090536,0.2089849097699605,0.2101020516204162,0.21029458261548897,0.2150166249501099,0.2174891767741181,0.21910545726517047,0.22307124697849862,0.22395198650386108,0.2266432437396972,0.22710164638631775,0.2287597086284489,0.23005877415055453,0.2308296352278454,0.23262025076821394],"n_dims_used":43,"mean_confidence":0.9075420290924782},"coverage":{"mean_confidence":0.9075420290924782,"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}}