{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000815},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000591","480:4800000481","480:4800000774","480:4800000483","480:4800000482","480:4800000778","480:4800000557","480:4800000701","480:4800000742","480:4800000592","480:4800000518","480:4800000669","480:4800000854","480:4800000554","480:4800000630","480:4800000775","480:4800000704","480:4800000740","480:4800000631","480:4800002005","480:4800000552","480:4800001721","480:4800002162","480:4800002391","480:4800000589"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.3395766091001089,0.3393552868976334,0.2739044600524095,0.2727004123219333,0.26734034978430815,0.2631391807658754,0.24327545885897858,0.22381134807816377,0.20343333066043726,0.19957173531872674,0.19917152181044798,0.19514045719479095,0.1849665664682711,0.180166561363089,0.1761157179524847,0.16070810411627276,0.15615180228826736,0.14912404589805892,0.1365966474750422,0.1354344342204127,0.13243927795024155,0.13104279869312943,0.13051558734719615,0.1278042379778325,0.12326741838785732],"twin_dists":[0.19088065716966887,0.1909382606903257,0.2090112633208342,0.2093664936216591,0.2109597247389445,0.2122223979724605,0.21837157486629777,0.2247205293357109,0.2317753462762831,0.23316587249620838,0.23331104222467386,0.23478460282788172,0.23860033745655887,0.24045190809188466,0.2420418670620852,0.24833996045600767,0.2502858048156858,0.25337023276260723,0.25914584343491565,0.2597014125535481,0.2611498556802414,0.26183362119510334,0.2620931907466818,0.2634407584689114,0.2657448554308107],"n_dims_used":43,"mean_confidence":0.9240452966024709},"coverage":{"mean_confidence":0.9240452966024709,"n_dims_used":43,"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}}