{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000275},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000062","477:4770000038","477:4770000270","489:4890001961","477:4770000131","489:4890001963","477:4770000154","477:4770000231","477:4770000194","477:4770000652","477:4770000105","489:4890001698","477:4770000604","477:4770001087","477:4770000087","477:4770000814","489:4890001880","489:4890002365","477:4770000200","477:4770000779","477:4770000222","477:4770002199","477:4770000107","477:4770000182","489:4890002698"],"twin_admin_codes":[477,477,477,489,477,489,477,477,477,477,477,489,477,477,477,477,489,489,477,477,477,477,477,477,489],"twin_sims":[0.752840809233304,0.7347413369320208,0.7265294464815646,0.724757509509829,0.714508704184259,0.7104823621334203,0.6967100042805991,0.6961064076840897,0.6913889132417607,0.6740948942823313,0.656425441904819,0.65171657499157,0.64644619062248,0.6355328439152729,0.6333650222357519,0.6326435646233284,0.6182453688929541,0.6037839823302845,0.5970265162380313,0.581269823071833,0.5773802714120626,0.5766187851459729,0.5732404289274793,0.572128623043361,0.5646168610243296],"twin_dists":[0.09786393492823753,0.10197202938393492,0.10381453022530462,0.10421052297607954,0.10649075981556093,0.10738211676301786,0.11041409484624204,0.11054642107705244,0.11157916024773094,0.1153449804673957,0.11916593376625652,0.12018064822901776,0.12131491199794954,0.12365954247251947,0.12412473341604918,0.12427951627993933,0.1273657402406073,0.13046262863783686,0.13190974536007005,0.13528660953820462,0.13612112490425143,0.13628456108288914,0.13700989649261652,0.1372486947224257,0.1388634513534804],"n_dims_used":45,"mean_confidence":0.9199859619140625},"coverage":{"mean_confidence":0.9199859619140625,"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}}