{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":479,"cluster_id":4790001596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790001221","479:4790001148","479:4790001149","479:4790000789","479:4790001002","479:4790001355","479:4790000792","479:4790001661","479:4790001354","479:4790001911","479:4790000587","479:4790000723","479:4790001900","479:4790001150","479:4790000520","479:4790000911","479:4790001759","479:4790000501","479:4790001216","479:4790000995","479:4790000565","479:4790001129","479:4790000581","479:4790000724","479:4790000984"],"twin_admin_codes":[479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479],"twin_sims":[0.9366988993109813,0.8808974431187698,0.8558045804604566,0.8462957242369527,0.8449797160587333,0.844857208761409,0.8384948202989323,0.8236744931855117,0.8139755374682488,0.8075970996478441,0.7855848257532504,0.7804320344518757,0.7768208278789326,0.7768134290952473,0.7768008191567591,0.7403268504334946,0.7361187846961457,0.7354925386760058,0.7334234822010056,0.7298956396891229,0.728277265485608,0.7174461850938607,0.7144209307077369,0.7088428034465494,0.7063904203517931],"twin_dists":[0.04696840179749566,0.06540674903517953,0.07247723064626575,0.07503248829814768,0.07538151908395074,0.07541395577455084,0.07708614284909049,0.08089415900863024,0.08332740742753375,0.08490494000800584,0.09022806731797499,0.0914500156188793,0.09230148836969501,0.09230322887932571,0.09230619523749779,0.10071153114397784,0.10166174367935006,0.1018028578753008,0.10226855245411554,0.10306073953745468,0.10342339239406362,0.10583891635705994,0.10651021693505522,0.10774440895696479,0.10828560463982552],"n_dims_used":45,"mean_confidence":0.9260365804036458},"coverage":{"mean_confidence":0.9260365804036458,"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}}