{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013059},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013127","490:4900013095","494:4940008253","490:4900013054","490:4900012459","494:4940007944","490:4900012667","494:4940006035","490:4900012376","490:4900013219","486:4860004792","486:4860004790","490:4900012811","487:4870008911","490:4900013024","490:4900013129","486:4860004791","486:4860004743","486:4860003000","486:4860003407","490:4900013343","486:4860003087","490:4900012379","494:4940008257","486:4860002998"],"twin_admin_codes":[490,490,494,490,490,494,490,494,490,490,486,486,490,487,490,490,486,486,486,486,490,486,490,494,486],"twin_sims":[0.054849185120818704,0.027663288589461675,0.02422516508916489,0.016028902268552515,0.008551316940932693,0.004830101534745416,0.0025435404104654524,0.0021288754045350406,0.001974708885302801,0.0018510956795262216,0.0018480711859313924,0.001636286939836957,0.0014076644558482729,0.0013795738974785214,0.0012319343572521702,0.0011342709673967022,0.0008902561097669149,0.0007181530619675448,0.0005849285088010279,0.0005631217935498627,0.0004940858758783042,0.0004893531240315535,0.0004814284796437513,0.00036192947261752474,0.00035829228942081665],"twin_dists":[0.31294997720317574,0.3478915029360909,0.3542676692814997,0.3734139638530665,0.40079148857616925,0.4241505815732459,0.4489300339078097,0.4555674692940856,0.4583422938106753,0.46071507858079297,0.4607749426026179,0.4652090960984811,0.47063415465246894,0.47135603010395877,0.47538922449938464,0.478310833140377,0.4867782195178687,0.4941661209947212,0.5011210391277499,0.5023982527192978,0.5067702234257331,0.5070904807363094,0.5076332656292615,0.5170264416837368,0.5173558459629165],"n_dims_used":45,"mean_confidence":0.9128666347927518},"coverage":{"mean_confidence":0.9128666347927518,"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}}