{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910005694},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005431","491:4910005776","491:4910005788","491:4910005599","491:4910005499","491:4910005498","491:4910005631","491:4910005252","491:4910005447","491:4910005821","491:4910005097","491:4910005549","491:4910005532","491:4910005775","491:4910005500","491:4910005281","491:4910005534","491:4910005789","491:4910005586","491:4910005075","491:4910005346","491:4910004893","491:4910004795","497:4970000096","497:4970000126"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,497,497],"twin_sims":[0.6863844765515811,0.6526084039910031,0.49521382220224786,0.4850203027987751,0.46743503305553347,0.4328735935009243,0.4313824357171135,0.37033445037096036,0.3684975740659664,0.34529589375696274,0.34166834701206805,0.3219475796010147,0.3142848318970747,0.31258906716135426,0.3107954901949223,0.3031615966295062,0.2798165150448429,0.27294134022502914,0.26756052750486153,0.2567826660942167,0.24128627811119605,0.23893258679779478,0.23643002371984287,0.22527097341567137,0.22099319389857638],"twin_dists":[0.11267198952655952,0.11998856644004005,0.15397283474060455,0.15623469277742627,0.1601721476596368,0.16806677242507367,0.1684127362383053,0.18305842494629176,0.18351601923367966,0.1893990036258451,0.19033723200684408,0.19553478942784255,0.19760185329998176,0.19806313532603703,0.19855257925129707,0.200654132100507,0.20728075539483765,0.20929533560237654,0.21089389138321715,0.2141570995998076,0.2190048317229267,0.2197585188621629,0.2205651957854397,0.2242320747935336,0.22566964714241106],"n_dims_used":45,"mean_confidence":0.8875081380208333},"coverage":{"mean_confidence":0.8875081380208333,"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}}