{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000062},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950000134","480:4800000122","495:4950000116","480:4800000154","480:4800000155","480:4800000118","495:4950000769","495:4950000149","480:4800000032","480:4800000156","495:4950000492","495:4950000766","495:4950000768","495:4950000098","495:4950000592","495:4950000532","495:4950000678","495:4950000296","495:4950000584","480:4800000073","495:4950000202","480:4800000040","495:4950000290","495:4950000345","495:4950000579"],"twin_admin_codes":[495,480,495,480,480,480,495,495,480,480,495,495,495,495,495,495,495,495,495,480,495,480,495,495,495],"twin_sims":[0.26131028241750837,0.2504763440421281,0.09000505997306113,0.07682242627502014,0.0436042809688333,0.04032992955821389,0.0389661835049052,0.0345300762545517,0.030743194594045335,0.028778547564790972,0.02669349263069618,0.026449925415532396,0.026138069194145568,0.024219130688008336,0.02411871442279915,0.023788791046201522,0.023634992764073305,0.023260884206145967,0.021232009483560313,0.019824404902256537,0.019346373865051125,0.01896406930787948,0.017898844729087676,0.01728509619600592,0.01664236664366452],"twin_dists":[0.2127760132419582,0.21610668222287224,0.28500803923561907,0.29423142762911203,0.32508079414032814,0.3291062261324561,0.33086458447531253,0.33696984091957755,0.3427351362342981,0.3459698892436283,0.3496174624908826,0.3500594220638239,0.3506304465600134,0.35427953053070876,0.35447728569719206,0.355132079772576,0.355440012849659,0.3561963609837258,0.360492151639215,0.3636875956381649,0.36481788674279686,0.3657395240550632,0.36839598780175414,0.36999008291073615,0.37171356239242714],"n_dims_used":43,"mean_confidence":0.9049598338992096},"coverage":{"mean_confidence":0.9049598338992096,"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}}