{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000988},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000869","490:4900000868","490:4900000993","490:4900000315","490:4900000645","490:4900000651","490:4900000536","490:4900000992","490:4900000456","490:4900000531","490:4900000530","490:4900012928","490:4900000646","490:4900000989","490:4900000312","490:4900000455","494:4940008056","490:4900000984","494:4940007642","490:4900013163","494:4940008454","490:4900000445","490:4900000761","494:4940007327","490:4900000879"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,494,490,494,490,490,494,490],"twin_sims":[0.36504124735717713,0.2745307726224145,0.21304608784635198,0.21009931571490903,0.18710931790738025,0.15346140728306568,0.1403200067273555,0.1393117060420193,0.1300193819374289,0.09521231347677184,0.08962800515086625,0.08902103602109365,0.08063926426184495,0.08016239772232625,0.07978013404591631,0.07976422472526086,0.07817536086168567,0.07210925957882701,0.06052609527033459,0.05884831350066789,0.058521308596041856,0.05393754943928951,0.0522936071185803,0.04849653363214312,0.04727899364962484],"twin_dists":[0.18438014572850955,0.20882686133667766,0.22839061056224336,0.2294169444652219,0.23778470473450053,0.25145432533561257,0.2573894584516782,0.2578616239968242,0.262338218335285,0.2816597682039452,0.28525638128693726,0.2856578986797741,0.29143844201682,0.2917815121407142,0.2920577061866044,0.2920692240159171,0.29322891128059136,0.29783891744818697,0.30759590923044045,0.3091335886399594,0.3094374795881714,0.3138520318427261,0.3155111437989239,0.3195156793134942,0.3208551346299207],"n_dims_used":45,"mean_confidence":0.9123760647243924},"coverage":{"mean_confidence":0.9123760647243924,"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}}