{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001362},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001364","490:4900002978","490:4900001921","490:4900002690","490:4900002078","490:4900002229","490:4900001771","490:4900001497","490:4900003533","490:4900002530","490:4900002528","490:4900001633","490:4900002231","490:4900003117","490:4900002976","490:4900001772","490:4900002679","490:4900004488","490:4900002826","490:4900001231","490:4900002676","490:4900002838","490:4900001363","490:4900002824","491:4910001275"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.6932123388565508,0.2918586257291089,0.2509786235428109,0.23366204532002324,0.2239153739050468,0.2121655538398738,0.2042487967430739,0.19212986929378953,0.1769008383449043,0.1735765797059994,0.1651787965624134,0.1628202996614534,0.15644767304580154,0.14504891174219495,0.12489479708408298,0.1198520105243694,0.11825222860738756,0.10741634366339095,0.1061973660463479,0.10549992476782591,0.09590980129934289,0.09252045985691276,0.09141104764015975,0.0888029880234981,0.08686692766692941],"twin_dists":[0.1111802867929276,0.20382316438568213,0.21595026652003255,0.22146395129945692,0.2246856477021756,0.22869627895013536,0.23148402763441056,0.23589896019948603,0.2417316915873425,0.24305179409492236,0.2464692566069471,0.24745150324564696,0.25015820027722324,0.2552081111336085,0.2649110708505671,0.26752237449193955,0.2683682991331964,0.27434232052288204,0.27504313304063127,0.275446919849061,0.28122232883811527,0.28337205255302383,0.284089208402745,0.285802670255357,0.2871006425840055],"n_dims_used":45,"mean_confidence":0.9126866658528646},"coverage":{"mean_confidence":0.9126866658528646,"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}}