{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004135},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003035","490:4900003848","490:4900001832","490:4900003987","490:4900003845","490:4900003584","490:4900002600","490:4900003700","490:4900003720","490:4900004817","490:4900003444","490:4900004818","490:4900003988","490:4900004547","490:4900004128","490:4900003715","490:4900003036","490:4900004971","490:4900001414","490:4900001976","490:4900003447","490:4900007730","490:4900001684","490:4900004680","490:4900001279"],"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":[0.7694204897874275,0.7328395462981061,0.7202440321075438,0.7130659144399567,0.644700889574293,0.5988702579784309,0.572037020118287,0.5628915663856063,0.5540905992198467,0.5377892857322294,0.5317164302214167,0.5286910253218272,0.5252972593174318,0.5236462554911681,0.5115712375291235,0.498402249207868,0.4944906651569707,0.4701089175975928,0.46064652095749165,0.4539850222781454,0.42108054657995825,0.41926332899394453,0.40869759388540716,0.3989541847763739,0.39673357530100073],"twin_dists":[0.09403444887350856,0.10239983597965581,0.10521680267476158,0.10681044223783134,0.12169021940499002,0.13151487179250762,0.1372683717173857,0.13923469019783413,0.1411308554823289,0.14465574753410937,0.14597395024094473,0.14663181514218898,0.14737074664338404,0.14773060601690358,0.15037070179541476,0.153268161335408,0.15413284032684993,0.15957033747996177,0.16170539846913007,0.16321777679719984,0.17081641817571555,0.1712429552212884,0.17373884244126137,0.17606580801968327,0.1765997269300259],"n_dims_used":45,"mean_confidence":0.9204864501953125},"coverage":{"mean_confidence":0.9204864501953125,"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}}