{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005689},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006665","490:4900006423","490:4900004878","490:4900006544","490:4900007543","490:4900004747","490:4900004602","490:4900004466","490:4900006917","491:4910001912","491:4910002019","491:4910003013","490:4900005284","491:4910001919","490:4900007416","491:4910001961","491:4910002566","490:4900006918","491:4910002617","490:4900007162","490:4900006546","490:4900007652","490:4900004884","490:4900005810","490:4900007538"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,491,491,490,491,490,491,491,490,491,490,490,490,490,490,490],"twin_sims":[0.313042109759776,0.21514532133771005,0.20665524406421237,0.11996024320434799,0.10971091534344952,0.07105161928299604,0.040306252337956865,0.037917432751893604,0.03676993029167566,0.034148290467589396,0.02884078879600319,0.028694904128728625,0.028448464186004625,0.026622658479368663,0.022282523151872874,0.021811904126424947,0.019997656643624333,0.019052010338884023,0.017491720648219345,0.013760091221152801,0.013326078784458153,0.011890356536630871,0.01187496719399738,0.010842778826690937,0.010814500708206493],"twin_dists":[0.1979397595050467,0.22766531360049838,0.23062896009213804,0.2674654563320391,0.273039691923341,0.2986745377326352,0.32913632308354324,0.3322525633202865,0.3338090090430727,0.3375259151045963,0.345864543837395,0.3461117673020311,0.34653186064136665,0.3497456333018688,0.35822541428568044,0.3592291411580671,0.3632838136315899,0.36552609304081124,0.3694479535927307,0.3802454769158949,0.3816645205776119,0.38666963747064415,0.3867261288642128,0.39067212774180604,0.39078486032507453],"n_dims_used":44,"mean_confidence":0.8964488289572976},"coverage":{"mean_confidence":0.8964488289572976,"n_dims_used":44,"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}}