{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001373},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002332","480:4800002042","480:4800002380","480:4800002149","480:4800002098","480:4800002131","480:4800001696","480:4800002510","480:4800002513","480:4800002524","480:4800002473","480:4800002376","480:4800002146","480:4800001304","480:4800002519","480:4800001757","480:4800001427","480:4800001313","480:4800001927","480:4800002369","480:4800001697","480:4800001646","480:4800001923","480:4800001698","480:4800002240"],"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":[0.7477866172982958,0.6819586595245509,0.6464918259193039,0.5591140021073918,0.5348264427562806,0.5146041641530089,0.4982177410468387,0.48781770173613637,0.4837256087584693,0.4826812287150893,0.4761195973371999,0.4218397753922178,0.39587476263738325,0.39105264133060147,0.38686039398284255,0.3747379301202937,0.36544458075817526,0.33859327320677324,0.3381176644426653,0.3193797647003175,0.31897175471366185,0.31111494046631777,0.3066716520559863,0.3035811959045738,0.3033604528630441],"twin_dists":[0.0990181374119,0.11363627853038158,0.12130509668289684,0.14004804882973615,0.14529850005317824,0.14970616852374247,0.1533089044299365,0.15561256322611994,0.15652300111782627,0.1567557435097601,0.15822169112535203,0.1706384424968246,0.17680658542197103,0.1779719431308512,0.17899054661088112,0.1819660082130162,0.18427909603609902,0.19113674458369476,0.1912607496332211,0.19622435380929146,0.1963342073821294,0.1984652875232745,0.19968409511487029,0.20053783051588916,0.20059900287692223],"n_dims_used":42,"mean_confidence":0.9113869439987909},"coverage":{"mean_confidence":0.9113869439987909,"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}}