{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004513},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004514","490:4900004379","490:4900004386","490:4900004526","490:4900003689","490:4900004527","490:4900004105","490:4900004377","490:4900003968","490:4900003018","490:4900002112","490:4900003003","490:4900004797","490:4900002714","490:4900003675","490:4900004802","490:4900005353","490:4900003972","490:4900004100","490:4900003560","490:4900004113","490:4900004380","490:4900009602","490:4900004235","490:4900001524"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.34024786709290894,0.2019317073366623,0.15667695961577666,0.1265349968383518,0.10689526278476151,0.10463249253446567,0.10414908865107607,0.08899815358642507,0.08276758521865553,0.07347342526206482,0.0688953296096637,0.06853465213686909,0.06370326579625012,0.053589024052490816,0.05318402306181491,0.05121602922289278,0.05092027756856367,0.050259372831939965,0.04847059893892077,0.046415852020642974,0.04493191042723068,0.04032701701778242,0.037343026102976705,0.03716193107722019,0.03628815733291765],"twin_dists":[0.190706072045746,0.23231389238034184,0.2500594336672807,0.26407902682801393,0.2746411398779557,0.275952030719488,0.27623493548352085,0.28567307810495357,0.28992679619525064,0.2967756506672924,0.3004099300218245,0.3007045003889765,0.30477751111455903,0.31420023445804185,0.3146072270727616,0.31662231885585834,0.3169306894607611,0.3176252173010553,0.31954391659577785,0.3218222834184776,0.3235208169077887,0.32910992756068985,0.33302660578614135,0.3332727334945913,0.3344747835634619],"n_dims_used":45,"mean_confidence":0.9251982794867621},"coverage":{"mean_confidence":0.9251982794867621,"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}}