{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001940},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004375","490:4900004374","490:4900002254","490:4900002102","490:4900002408","490:4900004238","490:4900002558","490:4900002252","490:4900004112","490:4900002998","490:4900002556","494:4940008471","490:4900004373","490:4900003832","490:4900002853","490:4900004378","490:4900002406","490:4900003674","490:4900004098","490:4900002860","490:4900002852","494:4940008971","490:4900003146","490:4900004097","490:4900008946"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.2527988522020006,0.24007766239763878,0.07714317305981724,0.0733406448855899,0.06576760896478182,0.06081560693344149,0.0607896492084042,0.05981023360568545,0.05275307576915295,0.050844681007182875,0.046934066375715455,0.0418434807734107,0.03965557732863899,0.039214790997872895,0.03334464617397253,0.030340332504375823,0.02748822910415607,0.027216207529208097,0.026797259375627217,0.02618685435028982,0.02518462132458676,0.024177017381795632,0.023744048622455598,0.02319122359134529,0.022505551463814083],"twin_dists":[0.21538509311981655,0.2193912490711963,0.29399247915840365,0.29687843822696786,0.30300738422284357,0.30733412783308695,0.30735755742004794,0.3082476497925625,0.31504312691192243,0.3170097506035877,0.3212398386992108,0.3272125409079733,0.32996932047864974,0.33054020381967486,0.33871396033163736,0.34338369142359415,0.3481991632727025,0.3486805944529887,0.3494302301307337,0.3505407320168294,0.3524134932721885,0.3543623799561166,0.35522148419345845,0.35633835951600124,0.3577561613148119],"n_dims_used":45,"mean_confidence":0.9199232313368055},"coverage":{"mean_confidence":0.9199232313368055,"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}}