{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004305},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003477","490:4900001700","490:4900001720","490:4900002476","490:4900004014","490:4900002458","490:4900003757","490:4900004150","490:4900003737","490:4900001994","490:4900003465","490:4900002171","490:4900002907","490:4900002786","490:4900002302","490:4900003878","490:4900003342","490:4900003725","490:4900002469","490:4900002022","490:4900001719","496:4960008014","496:4960007776","490:4900003072","490:4900003068"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,496,490,490],"twin_sims":[0.8631750562676894,0.8467616460328398,0.7886049604272527,0.7477315609809823,0.7266529306208926,0.626308268626759,0.6239321111027729,0.5886308209794456,0.5451351960517915,0.5451234574440194,0.542641380012018,0.5356311528888705,0.5151324159712842,0.5100169324948013,0.507156016964071,0.5040918603155546,0.5030938348843027,0.49290211201424233,0.47321074085520665,0.4717640778186294,0.4700577336009172,0.4591880903650151,0.4586603502762868,0.44391876310033973,0.44244109949821403],"twin_dists":[0.0704532314286197,0.07490865762849343,0.08950788495957421,0.09903067895267816,0.10378691374220238,0.1256380560362883,0.12614733926875363,0.13370842835738073,0.14306503920178648,0.1430675779952149,0.1436046137244075,0.14512385844612138,0.14959052517421073,0.15071164585148958,0.15133990380289156,0.15201383103754937,0.15223357300232415,0.15448456225765342,0.158873655864273,0.15919839128942148,0.15958184652304028,0.16203583347602704,0.1621554952531483,0.1655187745253341,0.16585820532308612],"n_dims_used":45,"mean_confidence":0.9169676886664496},"coverage":{"mean_confidence":0.9169676886664496,"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}}