{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000505},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000342","490:4900000234","490:4900000506","490:4900000236","490:4900000182","490:4900000491","490:4900000155","490:4900000601","490:4900000417","490:4900000156","490:4900000436","490:4900000345","490:4900000231","490:4900000110","490:4900000418","490:4900000296","490:4900000337","490:4900000825","490:4900000575","490:4900000415","490:4900000620","490:4900001200","490:4900000031","490:4900000414","490:4900000249"],"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":[0.5981503754146734,0.5883319535659308,0.5850173270833593,0.4977364046792812,0.4767602357582078,0.47051679768735266,0.40517348925877644,0.40045543632526576,0.3987498391296405,0.3771308715948896,0.3704940593734434,0.33899691924185243,0.3244023193937206,0.3192070299167448,0.3172370382576969,0.3117982759301299,0.3114932930922126,0.3039976160634903,0.29930115660495815,0.2957919277438937,0.2719595024060013,0.27112256504857724,0.26849950105758325,0.26661942018118845,0.2630358121788323],"twin_dists":[0.13166904482273184,0.13377248006927075,0.13448298573211276,0.15341521320745813,0.15807827980227732,0.15947863818113675,0.17457758680284738,0.17570561795228026,0.17611488363555103,0.1813750119547771,0.18301871724245183,0.19103157585337158,0.1948784582982463,0.19627085169491204,0.19680215191704062,0.198278733816933,0.19836196663340264,0.2004225023283181,0.20172856904589745,0.2027123183818925,0.20958556397927655,0.20983347017583207,0.2106135140804782,0.21117551938044218,0.21225362372422135],"n_dims_used":45,"mean_confidence":0.917400614420573},"coverage":{"mean_confidence":0.917400614420573,"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}}