{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002374},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002375","491:4910002113","490:4900003642","490:4900003106","490:4900003110","490:4900004196","490:4900004337","491:4910001855","490:4900004477","490:4900003109","491:4910001396","491:4910001389","490:4900001912","491:4910002259","490:4900004333","490:4900004744","491:4910001507","490:4900005683","490:4900003111","490:4900003643","490:4900003638","490:4900002968","490:4900003925","490:4900003781","490:4900004468"],"twin_admin_codes":[490,491,490,490,490,490,490,491,490,490,491,491,490,491,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.6952979914733521,0.5307526461444441,0.46856911854819067,0.4342423803499608,0.41044211523676666,0.39829162606775625,0.3260560789557358,0.3160252157697173,0.31304961129465175,0.3082623908424564,0.3053901614803146,0.3050139337987945,0.299036795531126,0.2950308584981219,0.29468288237585544,0.28605717107470724,0.2817713593171869,0.267096962530023,0.24526909387289364,0.23462573163595618,0.23067356550517773,0.22579243826646922,0.22002472560597122,0.2172022926766215,0.20907295842484883],"twin_dists":[0.11072358155078404,0.14618343594012023,0.15991675683176873,0.16774962237332644,0.1733248260869813,0.1762249697419502,0.1944378437093151,0.19712990161399163,0.19793771748941877,0.19924659160465286,0.2000374986095413,0.20014141566793206,0.20180244136846737,0.2029265755055874,0.20302464683836918,0.2054779877417244,0.20671345954116846,0.21103253696127747,0.2177402488154369,0.22115025758622633,0.22244218105858146,0.22405808005502423,0.22599768115432234,0.2269592346708444,0.22977670928824423],"n_dims_used":44,"mean_confidence":0.8973205739801581},"coverage":{"mean_confidence":0.8973205739801581,"n_dims_used":44,"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}}