{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003987},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003036","490:4900003444","490:4900001832","490:4900004135","490:4900003584","490:4900003035","490:4900003700","490:4900002741","490:4900004817","490:4900003046","490:4900003848","490:4900001680","490:4900003720","490:4900002138","490:4900003445","490:4900003994","490:4900003310","490:4900001976","490:4900004128","490:4900004402","490:4900001973","490:4900004680","490:4900004420","490:4900002143","490:4900005231"],"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":[0.7995958822904845,0.7713284947255504,0.7201044803610763,0.7130659144399567,0.6405316119667525,0.6285360372345989,0.6199031862274977,0.6179127342959313,0.6119941057579851,0.595212309826122,0.5838104372386342,0.5738366346244237,0.55827339581647,0.5523561737209494,0.5399027507202706,0.5335609227622632,0.5245192821960397,0.5205465861455508,0.5190216927357021,0.5074923242800488,0.5070965995211066,0.4991024107711653,0.48945037314432327,0.48900645043612123,0.48045762653292673],"twin_dists":[0.08686046608697459,0.093589133091444,0.10524786229777279,0.10681044223783134,0.12258621679625148,0.1251604570260349,0.12701060387739344,0.12743699223266142,0.1287045852066091,0.1322983297662483,0.13474175338511513,0.1368818604369948,0.14022914483563217,0.14150505723610193,0.14419767832330455,0.14557325568412743,0.14754028585430248,0.14840692280496148,0.14873998339771283,0.1512660026754419,0.15135296170235696,0.15311359027276925,0.15524996574105085,0.1553485196999956,0.15725180618737716],"n_dims_used":45,"mean_confidence":0.9231637742784288},"coverage":{"mean_confidence":0.9231637742784288,"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}}