{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001772},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002231","490:4900002826","490:4900002974","490:4900002229","490:4900002381","490:4900002827","490:4900002078","490:4900001921","490:4900001766","490:4900001767","490:4900002530","490:4900002238","490:4900002678","490:4900002230","490:4900001920","490:4900001363","490:4900002679","490:4900002980","490:4900001774","490:4900002686","490:4900003138","490:4900002835","490:4900001631","490:4900002533","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":[0.8447213098922476,0.7141414489685664,0.6140244128818731,0.5840634058698294,0.5424198889813366,0.5067802810717794,0.34670520985348147,0.3388926787135574,0.3020490673457278,0.28629756921993327,0.27805903803321474,0.2711031947255042,0.2586066329800954,0.2553718647577771,0.2384287949446878,0.23534153329223292,0.22932880660538293,0.2084128638533637,0.20570201527321105,0.20101564914898704,0.18232281284961938,0.16916627751345242,0.14983757567671027,0.1465979195273172,0.14129946281801148],"twin_dists":[0.07544992738371717,0.10657216309338265,0.12826979178251083,0.13468751163880902,0.14365255821310563,0.15142248435720038,0.18903590992667008,0.19105872894611142,0.2009629488709658,0.20540901918632454,0.20779283365968992,0.20983921337265565,0.21359889302623203,0.2145905823702247,0.2199204670130918,0.22091779986585774,0.22288508952875494,0.23000872493086227,0.23096684602363757,0.23264378284332876,0.23961589253370352,0.24483136690444848,0.2530522583415063,0.2545050675593985,0.2569332156147742],"n_dims_used":45,"mean_confidence":0.9140918307834202},"coverage":{"mean_confidence":0.9140918307834202,"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}}