{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007862},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008867","490:4900008971","490:4900009181","490:4900009899","490:4900008858","490:4900009508","490:4900008637","490:4900009080","490:4900010012","490:4900009192","490:4900010100","490:4900009493","490:4900009701","490:4900008071","490:4900008088","490:4900009609","490:4900009388","490:4900008515","490:4900008293","490:4900008518","490:4900007863","490:4900010295","490:4900009693","490:4900009800","466:4660003789"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466],"twin_sims":[0.8842952680375148,0.7596613480919899,0.7550429738522993,0.697541629927298,0.5748495160951274,0.5369103283920529,0.5170392387841082,0.39981049452303025,0.3949820411649437,0.38615026225558985,0.3822117191784894,0.3801954163596728,0.3680630690682116,0.3671697666871725,0.36317672023046865,0.3489670414553682,0.34686570465249456,0.3362080520214352,0.3167169928908822,0.3164706221672999,0.30581213608204194,0.3012459830368274,0.2997682405477026,0.28387703839866363,0.2763335930724987],"twin_dists":[0.06440629124535985,0.09629692544615497,0.0973592055222382,0.11023170578805003,0.13666437293832834,0.1448463536206485,0.1491733307144581,0.17586028123822908,0.1770218305278716,0.17916360444032103,0.18012618335901676,0.18062080690275376,0.18362442734267423,0.18384750563970864,0.18484801135145246,0.1884547996803987,0.188994609844205,0.19175959106229734,0.19694271663898155,0.19700935449332208,0.1999210339610874,0.2011862814476177,0.20159814172010823,0.20610504981262756,0.20829750090643734],"n_dims_used":45,"mean_confidence":0.9201453314887152},"coverage":{"mean_confidence":0.9201453314887152,"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}}