{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007169","490:4900006442","490:4900006207","490:4900006073","490:4900002823","490:4900005423","490:4900007181","490:4900007662","490:4900006081","490:4900002971","490:4900005815","490:4900007059","490:4900005165","490:4900006548","490:4900004468","490:4900004889","490:4900003781","490:4900005299","490:4900007038","490:4900005420","490:4900005433","490:4900004744","490:4900005957","490:4900005690","490:4900005301"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7595286480660386,0.4455188806165862,0.27697726617109003,0.27347830996120726,0.25638060661053547,0.2562209211401956,0.24075351500597317,0.22825889317988912,0.2264350522216445,0.21663065879484997,0.20644590183058462,0.20255188089100434,0.1878151463201089,0.1829476632241338,0.17025502911114748,0.1600639118451374,0.15409539622706772,0.15291058423834938,0.1521711279668741,0.14898571644852845,0.13690803820688346,0.12761999513234326,0.12315573945009765,0.12280080378693661,0.11321434377869302],"twin_dists":[0.09632752078006833,0.1651517043485133,0.2081090116803426,0.20913688050695267,0.2142804824951099,0.21432952028640623,0.21917501101606396,0.2232387018473949,0.22384402866018657,0.22715500111170325,0.2307030731211448,0.2320911394401067,0.2375174694788938,0.239374933964892,0.24438898805063114,0.24861261476044838,0.25117762189730464,0.25169541241883336,0.25202006552298273,0.2534320070351139,0.2589975920421646,0.26353311066189467,0.26580238029542225,0.2659854686969814,0.2710908603789043],"n_dims_used":45,"mean_confidence":0.900779045952691},"coverage":{"mean_confidence":0.900779045952691,"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}}