{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000982},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001016","480:4800001021","480:4800001060","480:4800000559","480:4800000902","480:4800000943","480:4800001065","480:4800000983","480:4800001119","480:4800001020","480:4800001118","480:4800001114","480:4800000453","480:4800001061","480:4800001185","480:4800000421","480:4800001123","480:4800000981","480:4800000901","480:4800000860","480:4800000866","480:4800001064","480:4800000746","480:4800001184","480:4800001113"],"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":[0.9582886802506099,0.9014159632738674,0.8902532653075083,0.8889628431692143,0.8864977692134445,0.8777012669332065,0.8586854212997862,0.8415241677872081,0.8201353709104654,0.7959989486225012,0.7799954714491908,0.7703941807373398,0.769706454168767,0.7352827784347354,0.7303193235689879,0.7287931794439569,0.7193804346621658,0.6995063318733341,0.6945345749272196,0.6796431728426422,0.6795046968907845,0.6666156631092712,0.6550400780562731,0.6504698029095817,0.6375535292743727],"twin_dists":[0.03791187780432451,0.05917160872909957,0.06262301840259664,0.06301251026763409,0.06375148731137593,0.06633751481476369,0.07169086735510963,0.07629295348476402,0.08178708375389494,0.08773161756830924,0.09155316162009684,0.09380732214385698,0.09396777092753755,0.10185010700249471,0.10296572067192389,0.10330783483809441,0.10540896063213676,0.10980047762063161,0.11089080949584956,0.11414000151331419,0.11417011008745942,0.11696517040116748,0.11946460184109531,0.1204491037956173,0.12322577837297492],"n_dims_used":42,"mean_confidence":0.9000989823114305},"coverage":{"mean_confidence":0.9000989823114305,"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}}