{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011868},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011409","490:4900011271","490:4900010788","490:4900011042","490:4900010801","490:4900010714","490:4900009983","490:4900008727","490:4900010083","490:4900011795","490:4900011273","490:4900011731","490:4900011541","490:4900012202","490:4900011538","490:4900010531","490:4900009579","490:4900011035","490:4900011734","490:4900011670","490:4900012188","490:4900011475","490:4900011988","490:4900010442","490:4900010444"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4952896773244477,0.42594772625516386,0.3954964505351844,0.3392739392837748,0.28876246262419025,0.26969807477752444,0.2675213518554123,0.2330888644296967,0.20892081981809935,0.20216817133213583,0.19087243738813192,0.17598231460449296,0.1618606665021633,0.15019016316498107,0.14750634723224673,0.1396746256268979,0.13040393684220816,0.1252996674016976,0.1246484396823185,0.11758375637236597,0.11706362898036386,0.11503737332793625,0.11307135981046046,0.11268835476535076,0.109236010814216],"twin_dists":[0.15395605496508916,0.16967778926272156,0.17689777333810852,0.19095943810318655,0.20470385231335522,0.21025650157469478,0.2109056024805694,0.22165093256446344,0.22983013998381885,0.23222890424389886,0.23636799468125025,0.24209466816294853,0.24785411283294673,0.2528955443914028,0.2540953152333538,0.2576913838118143,0.26214826269801905,0.26470491996018297,0.2650367590537786,0.2687243671169524,0.26900249252884006,0.27009511100269895,0.2711694798519003,0.27138045263589033,0.27330755143185803],"n_dims_used":45,"mean_confidence":0.9088572184244792},"coverage":{"mean_confidence":0.9088572184244792,"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}}