{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000635},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000440","490:4900000858","490:4900000441","490:4900000982","490:4900000455","490:4900000981","490:4900000634","490:4900000536","490:4900000449","490:4900000531","490:4900000984","494:4940008454","490:4900000534","490:4900000983","490:4900000367","490:4900000987","490:4900000632","490:4900000443","494:4940007935","494:4940008449","490:4900000530","490:4900012512","494:4940007934","490:4900000261","490:4900000630"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,494,490,490,494,490,490],"twin_sims":[0.3580283222704449,0.261755623868723,0.23073672174058735,0.21789725155193004,0.2000101205252668,0.19031609978156486,0.18688541108578516,0.15456218573796543,0.1501655857281032,0.14479333641171996,0.13573403196137462,0.1308835130680957,0.10766216501976858,0.1053692202927261,0.09879910794342313,0.08741346179502249,0.08621311242858158,0.08039572757436728,0.07946088247265941,0.07624929786676092,0.07207384911685663,0.07176424118817279,0.06584347464450344,0.0657523011025275,0.056192368706309025],"twin_dists":[0.18614626992922834,0.21264098343155696,0.22242142189872102,0.22672169945689255,0.2330070869709496,0.23657620232832968,0.2378696263258086,0.25097442507297524,0.2529064594929246,0.25532464212145817,0.2595578560233459,0.26191196142117706,0.2742017420088749,0.27552282258140715,0.2794364633730792,0.28673192599422453,0.2875441677955031,0.2916134447971599,0.2922891873363059,0.2946604018024558,0.2978667333522753,0.29811041168491703,0.30294320072062025,0.30302034223054913,0.3116432605248488],"n_dims_used":45,"mean_confidence":0.9114310370551215},"coverage":{"mean_confidence":0.9114310370551215,"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}}