{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009211},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009227","490:4900009461","490:4900009413","490:4900009125","490:4900009139","490:4900009422","490:4900009017","490:4900009124","490:4900008686","490:4900008370","490:4900009206","490:4900009317","490:4900009319","490:4900008244","490:4900009740","490:4900007917","490:4900008909","490:4900009310","490:4900009215","490:4900008996","490:4900011715","490:4900007803","490:4900009228","490:4900009019","490:4900009356"],"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":[0.12278518279895835,0.021557931521998502,0.003261548357378106,0.002353074485433249,0.0018704354852435896,0.0005826762363259823,0.0005649694703167305,0.0004242586051331665,0.0003311577351538293,0.00030856942572905625,0.00021401985524064813,0.00020910921057917117,0.00017847976306701606,0.0001752166149906457,0.0001688264424511843,0.00007094438899408619,0.00005548872366344376,0.00005509424353424232,0.00005302415896678972,0.000040926614412926306,0.000029441700001035453,0.00002823499494559725,0.00001942905140406601,0.00001451898827682202,0.000014472592091119855],"twin_dists":[0.2659935358093815,0.35977865437824036,0.43948855787057844,0.4518449889699717,0.46033439944111826,0.5012508779028152,0.5022882611847402,0.5118164668076787,0.5199171368435345,0.5222040988970907,0.5338913106014377,0.5346241554180446,0.5395979502501131,0.5401744431402095,0.5413332946415983,0.5677049677571152,0.5749592320875441,0.5751684988925432,0.5762905192662208,0.5838209963475232,0.593260588468252,0.5944492589328769,0.6049625865149979,0.6130310568744305,0.6131191160831571],"n_dims_used":45,"mean_confidence":0.8718015882703993},"coverage":{"mean_confidence":0.8718015882703993,"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}}