{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001015},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001561","480:4800000859","480:4800000900","480:4800000858","480:4800001120","480:4800000673","480:4800001181","480:4800000360","480:4800000981","480:4800000901","480:4800001019","480:4800000420","495:4950001224","480:4800001112","480:4800000860","480:4800001182","495:4950001012","480:4800001121","480:4800001017","480:4800000452","480:4800001176","480:4800000635","480:4800001056","480:4800001059","480:4800000819"],"twin_admin_codes":[495,480,480,480,480,480,480,480,480,480,480,480,495,480,480,480,495,480,480,480,480,480,480,480,480],"twin_sims":[0.9501556077705691,0.9189120985396555,0.8888447314313158,0.8829973198591196,0.8632936775002142,0.8541765727456753,0.8526314076340913,0.8174764104105059,0.8045313161240453,0.8006366151701798,0.7868046262243045,0.773794915039327,0.7683110795587843,0.7589667544183171,0.7569295560264221,0.7339409547608438,0.7326513149571674,0.7291316150787671,0.7242948399621579,0.7104544121171618,0.7052812686405534,0.7051134499286674,0.6967875994286599,0.658760609619806,0.658460272848351],"twin_dists":[0.04153121722846536,0.05341136575996477,0.06304806821608665,0.06478982817715927,0.07042032491134571,0.07291902455990742,0.07333664842697657,0.08245408549679155,0.08565719906630138,0.08660751029836944,0.08993755502149053,0.09301197105188616,0.0942929163862766,0.09645702267793782,0.09692589399696877,0.102152158038506,0.10244214154935072,0.10323200418086285,0.10431383187967659,0.10738829608097536,0.10853010206002625,0.10856708089357887,0.11039708051143804,0.11866222936947385,0.11872703257986834],"n_dims_used":42,"mean_confidence":0.8993957156226748},"coverage":{"mean_confidence":0.8993957156226748,"n_dims_used":42,"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}}