{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000695},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003866","477:4770003733","499:4990000625","499:4990000623","499:4990000555","477:4770003939","477:4770003863","477:4770003992","499:4990000776","499:4990000554","499:4990000088","499:4990000418","477:4770003824","477:4770003968","499:4990000484","499:4990000475","499:4990001027","499:4990000781","477:4770003563","499:4990001126","477:4770003902","499:4990000622","477:4770003969","477:4770003938","499:4990000360"],"twin_admin_codes":[477,477,499,499,499,477,477,477,499,499,499,499,477,477,499,499,499,499,477,499,477,499,477,477,499],"twin_sims":[0.9055571740420296,0.8945171782183656,0.8930965970637017,0.8665528332039797,0.8472351570074238,0.8303665724027314,0.8239197167309522,0.8160118265549935,0.8137446296996451,0.8117629636927189,0.799192824315954,0.7852497556356695,0.7777955094324281,0.7753414451581535,0.7698937483020791,0.7617050787086715,0.7510259116256488,0.7504369730936419,0.7449859638901091,0.7420620123251116,0.7351176434832294,0.7214401076711816,0.713020737058914,0.7105604907127245,0.7080072231602291],"twin_dists":[0.05785026122541557,0.061322538917190826,0.06175816128684762,0.06951190218535505,0.07478266982106806,0.07918894321278892,0.08083206650861254,0.08282010227972303,0.08338481894621785,0.08387657943573057,0.08695832207838393,0.09030778404812378,0.09207205919236253,0.09264918087275782,0.09392408757736263,0.0958251661555738,0.09827905895811066,0.0984136062339556,0.09965527636254853,0.10031868327326757,0.1018872982117334,0.1049504658607936,0.1068204472764922,0.10736484314100081,0.10792890014803053],"n_dims_used":44,"mean_confidence":0.9264581853693182},"coverage":{"mean_confidence":0.9264581853693182,"n_dims_used":44,"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}}