{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002347},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002391","480:4800002108","480:4800002210","480:4800002114","480:4800001517","480:4800002385","480:4800002207","480:4800002446","480:4800002346","480:4800002117","480:4800002067","480:4800001774","480:4800002162","480:4800001831","480:4800001832","480:4800002254","480:4800001943","480:4800002351","480:4800001733","480:4800001660","480:4800002214","480:4800002253","480:4800002263","480:4800002395","480:4800001776"],"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":[0.5141476187269499,0.43991702973545366,0.4379431191817941,0.3947260028081706,0.3090022745522634,0.2902955650770847,0.2729163246815346,0.2715513714825003,0.24733753729818303,0.23705277751782003,0.2236539921640586,0.21590795523566936,0.20964916523797067,0.20513187721261794,0.18583624494160214,0.1811832782925069,0.17458481237595416,0.16843836160851244,0.1681510625547612,0.16442569027488615,0.15970592091088978,0.1583871688439253,0.14892501976627273,0.14655068869942217,0.14633822509127156],"twin_dists":[0.14980613777423496,0.16643902138040828,0.16689414777092268,0.1770836056445403,0.19904354282161985,0.20426706968286984,0.20930272214154108,0.2097063961269911,0.21708871769924076,0.22036393863713202,0.2247733139828503,0.2274030024862901,0.22957458640107736,0.23116945171987635,0.2382685001276621,0.2400568329306809,0.2426495221243735,0.24512827418813932,0.245245713661176,0.24678179514606033,0.24876447938586155,0.24932605830813,0.25345912591786346,0.2545264226175839,0.2546225494225641],"n_dims_used":43,"mean_confidence":0.9203943651775981},"coverage":{"mean_confidence":0.9203943651775981,"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}}