{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011635},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011081","490:4900011511","490:4900011710","490:4900011441","490:4900011301","490:4900010999","490:4900011641","490:4900011302","490:4900011367","490:4900010845","490:4900011637","490:4900008790","490:4900011524","490:4900011832","490:4900011828","490:4900011701","490:4900011304","490:4900011631","490:4900011765","490:4900011387","490:4900010842","490:4900012177","490:4900011522","490:4900012104","490:4900008340"],"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":[0.36647048568694285,0.32165643140396544,0.2797664309393258,0.248277198128951,0.22093411966866705,0.2128724395071671,0.2056080175877785,0.19792620040424513,0.1691058371392529,0.15166150894362654,0.1496052131134405,0.13155493805039103,0.12803463285115313,0.11876328853029654,0.1059159104096318,0.10146001880263937,0.09706172161899365,0.0960943715672419,0.0931081775969845,0.09239038774744938,0.0856695988867598,0.07838013993937741,0.07255565249408102,0.06879909444089793,0.06517670401199001],"twin_dists":[0.18402232206002905,0.19561281956969495,0.20729532134765688,0.2167938936733045,0.22568962884721327,0.22845082301571634,0.2310002228108277,0.23376405083403134,0.2448559847332846,0.252244485162501,0.2531556846716878,0.2615822250922616,0.2633254141512122,0.2680971166255043,0.27520583425730466,0.2778276332513834,0.28050533364234825,0.2811069919675368,0.2829948843562712,0.28345578203048905,0.287914910709052,0.2930783893152656,0.29748920849854044,0.30048840373684205,0.30350937855305765],"n_dims_used":45,"mean_confidence":0.8911952548556857},"coverage":{"mean_confidence":0.8911952548556857,"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}}