{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000257},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000534","489:4890000248","489:4890000311","489:4890000485","489:4890000316","489:4890000417","489:4890000449","489:4890000377","489:4890000458","489:4890000423","489:4890001533","489:4890000663","489:4890000292","489:4890000660","489:4890000349","489:4890000320","489:4890000340","489:4890000555","489:4890001257","489:4890000703","489:4890000379","489:4890000484","481:4810005798","489:4890000539","489:4890000226"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,481,489,489],"twin_sims":[0.7625764109420309,0.7506848985368335,0.7240512526379473,0.6992346344234811,0.6527280998652113,0.6430587869703404,0.6358619909508498,0.6211006983134657,0.6112097814826631,0.6045536704056077,0.5871754127067162,0.5810039491136226,0.5752365566518103,0.5736201783363483,0.5553463959547312,0.5509862573532112,0.5304040874458888,0.5259664008690679,0.5225847578252208,0.5066757806673015,0.5033968177142895,0.4943945133035509,0.4940689043997681,0.4912927827979769,0.490193494764872],"twin_dists":[0.09562371326341258,0.09835697543828191,0.1043682075905807,0.10986014043768928,0.11996278298069254,0.12204320606635592,0.12358889711307376,0.12675404712039406,0.1288725418754567,0.13029781525246664,0.13402036178025983,0.1353436389271737,0.13658127685102875,0.13692834319817654,0.14086003001352224,0.14180074691740518,0.14625921747105305,0.14722497009565944,0.14796211010255625,0.15144545469752127,0.15216685074728575,0.154154119969068,0.15422619033535914,0.15484122334871855,0.15508504751210558],"n_dims_used":45,"mean_confidence":0.9148150973849827},"coverage":{"mean_confidence":0.9148150973849827,"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}}