{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012032},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011229","490:4900011231","490:4900012168","490:4900011298","490:4900011228","490:4900012117","490:4900012183","490:4900010920","490:4900011160","490:4900011841","490:4900010919","490:4900011963","490:4900011154","490:4900011152","490:4900010414","490:4900011437","490:4900009540","490:4900011833","490:4900011233","490:4900011083","490:4900010836","490:4900011099","490:4900011159","490:4900010673","490:4900010227"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.14745462259189085,0.11627951752085558,0.09406567865178705,0.0910588272476944,0.06976432140074361,0.06236171578035862,0.059922262887293395,0.059486987604270625,0.0594542957210273,0.055697261079396126,0.05474128420277404,0.04870899713753441,0.04854579632126768,0.048024909056712486,0.04700071357671723,0.04676382822783747,0.04605527636126564,0.04455045979516711,0.04402967300403877,0.042841840731612325,0.03818459869034549,0.038068176891564,0.037790556291143675,0.036393500474546835,0.03569278415636796],"twin_dists":[0.2541185958278641,0.2694235738651929,0.2823844125047748,0.28431833299970743,0.2997053273719042,0.30595318462779775,0.30814523334499355,0.3085440462863365,0.30857409644014305,0.3121218897252452,0.3130560933891407,0.31928482579886064,0.31946207757441203,0.32003115882272526,0.321165321893818,0.3214305809503137,0.3222307706537985,0.3239650193083599,0.3245766628964979,0.32599479756855526,0.3318959240863681,0.33205107461424854,0.33242267648889406,0.33432856888021106,0.3353079952495557],"n_dims_used":45,"mean_confidence":0.8909033033582899},"coverage":{"mean_confidence":0.8909033033582899,"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}}