{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001155},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001221","491:4910001933","491:4910001090","492:4920004742","492:4920004825","492:4920004595","492:4920004105","492:4920004443","492:4920004609","492:4920004548","492:4920004202","492:4920004294","492:4920004507","492:4920006905","491:4910001216","492:4920005625","492:4920004449","491:4910001586","492:4920004766","491:4910002217","492:4920004444","492:4920006712","492:4920006117","491:4910001708","492:4920005438"],"twin_admin_codes":[491,491,491,492,492,492,492,492,492,492,492,492,492,492,491,492,492,491,492,491,492,492,492,491,492],"twin_sims":[0.3975786208966318,0.33929143617991175,0.3151827791117992,0.2932148302240112,0.25126466947033843,0.23794411619236572,0.23639352659038362,0.22656794253159743,0.22632908101917507,0.2250199860017651,0.2191406595709874,0.2184750021188803,0.2125433105873162,0.20901086178858225,0.2045322383398593,0.20165745895634585,0.19877456930921392,0.19692270824263364,0.19518045647994345,0.18673279694576728,0.17896250329414798,0.17859517751086998,0.17777889891506307,0.17689405984680603,0.17408079272003427],"twin_dists":[0.17639638504881258,0.19095488286533904,0.19735816635608583,0.20343914864863835,0.21586127777034134,0.22007648155944826,0.22057700140247308,0.22379981389506717,0.22387929933872316,0.22431591600190973,0.22629797225366904,0.22652461294207013,0.2285650395494031,0.2297985142733459,0.23138295713876697,0.23241254643544573,0.23345522808130803,0.23413052524069453,0.23476987793635753,0.23792754953138118,0.24092182794950598,0.24106563407882206,0.2413859562538093,0.24173436535464218,0.24285041159629697],"n_dims_used":45,"mean_confidence":0.8992273966471355},"coverage":{"mean_confidence":0.8992273966471355,"n_dims_used":45,"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}}