{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005970},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005569","490:4900005841","490:4900005971","490:4900005175","490:4900007551","490:4900005321","490:4900004625","490:4900007282","490:4900004639","490:4900007670","490:4900005831","490:4900005972","490:4900005177","490:4900007409","490:4900003121","490:4900001914","490:4900005961","490:4900007283","490:4900004911","490:4900006813","490:4900004771","490:4900001631","490:4900007410","490:4900005040","490:4900005055"],"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":[0.20167404989132806,0.16230627191633512,0.07054841595806456,0.06281543152942407,0.05068859609348373,0.03830027686154138,0.03547938477411285,0.03190162694915585,0.030467324846679415,0.029745912833060745,0.026258071537302256,0.026103980013270866,0.025031759074010576,0.021100388581827723,0.01702242674534363,0.016069963354414272,0.014783248116746908,0.014220984844375876,0.013996424598757974,0.013835017935234003,0.013341386147895424,0.012835759567160095,0.012431725503056995,0.012080934674565062,0.011966048860711231],"twin_dists":[0.23240657563704142,0.24766694656521404,0.2990756536797887,0.30555326994970694,0.31717329886079415,0.3317421608317048,0.33560951989275234,0.3409099297079691,0.3431784581751091,0.3443542393382305,0.3504100241335773,0.3506932213995897,0.352704767397666,0.36078299563693095,0.3706875234040128,0.3732983804878137,0.37705051567346903,0.3787811898775213,0.3794893124285451,0.3800045102880743,0.38161378139395796,0.38331769189159404,0.3847224990764927,0.38597538333554804,0.3863927256820042],"n_dims_used":45,"mean_confidence":0.9235005696614583},"coverage":{"mean_confidence":0.9235005696614583,"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}}