{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011442},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011165","490:4900011375","490:4900011374","490:4900011776","490:4900011703","490:4900011565","490:4900011376","490:4900011837","490:4900011305","490:4900011380","490:4900012187","490:4900011902","490:4900011437","490:4900011704","490:4900010843","490:4900011298","490:4900011630","490:4900010849","490:4900010998","490:4900011843","490:4900011644","490:4900011160","490:4900011234","490:4900011436","490:4900011159"],"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":[0.5175444713376399,0.5056328544372006,0.46770081378353956,0.3843438735970702,0.33439133898242607,0.2890488923422625,0.2871613722510302,0.28679800525954585,0.2723843987253426,0.23548271910330637,0.22041129103017174,0.21330239765257927,0.20736190567846527,0.20613435747172565,0.20436103846685014,0.19975365761223648,0.18867871518778473,0.18769155464019197,0.1874522948082759,0.18615968092819998,0.18401589631647583,0.1778728624471886,0.172209591546104,0.1714734656978343,0.16990499403819373],"twin_dists":[0.14906285340889036,0.15167477028239723,0.1601122760880288,0.17960450079942544,0.19223559018265463,0.20462214321922337,0.20516148644045135,0.20526555896452203,0.20945988685082897,0.22087200421502096,0.22586663027668868,0.22830179594612185,0.2303791599389681,0.23081346368368993,0.23144399264317428,0.23309995007864223,0.23719146759122373,0.2375642118736035,0.237654761347977,0.23814536738462042,0.2389643367860169,0.24134903016686807,0.2435998802808411,0.24389631636024775,0.24453099131951345],"n_dims_used":45,"mean_confidence":0.890436299641927},"coverage":{"mean_confidence":0.890436299641927,"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}}